Antiformmaling. The stability/instability of these oil bridges is explained by using the theory of capillarity. Antiformmaling

 
 The stability/instability of these oil bridges is explained by using the theory of capillarityAntiformmaling  Figure 8

00 (0) Shop Collections. 1) forms a broad deflection in geomorphic, structural and tectonic trends in the crust at the eastern end of the Himalayan Range, where dip-slip thrust tectonics transition eastward to dominantly strike-slip faults (Hallet and Molnar, 2001, Koons, 1995). Silchem has developed an effective line of antifoams and defoamers for powdered. This means that anticlines look like a lowercase “n” or an uppercase “A” (“A is for Anticline” is a common phrase for remembering the shape of anticline). We have invoked a model for antifoam action which involves the following steps. Antifoams are additives that prevent foam from forming. An antiform is a topographic feature which is composed of sedimentary layers in a convex formation, or an artform which defies the usual convention of artforms. This was accomplished by using a third. Strictly speaking, defoamers eliminate existing foam and anti-foaming agents prevent the formation of further foam. Processing, waste water, fast knockdown. Silicone-based antifoams are generally considered to be siloxane polymers and are also synthetic. Silicone foam control is the solution DOWSIL™ and XIAMETER™ Silicone Foam Control Agents from Dow enable manufacturers to increase productivity and decrease production costs. Five phases of deformation D1–5 are recognized in the Tollie gneisses. It can be repeatedly sterilized by autoclaving. Antifoam SE-15 is a 10 % emulsion of active silicone polymer and non-ionic emulsifiers. An evaluation of the quality of raw chitin and chitosan yields from the bio-waste materials of. Defoamer. This long-term durability helps provide more effective foam control and minimizes the reapplication of antifoams, potentially saving processing time and money. Antiform Regular font. This antifoam is water-dilutable and effective in both hot and cold systems. Organic antifoams are of synthetic origin. The engagement of the work becomes focused on the particularization of these general forms by means of varying scale, material, proportion, placement. Antifoam B emulsion is a silicone based antifoam. You can use vegetable oils, silicone oil, poly-glycols and mineral oil are good anti-foam agent. , the oldest rocks may not be exposed in the middle). Low-cost-in-use, proven food-grade antifoams and defoamers. An anticline occurs on a much larger scale. a trough); but synclines that point upwards, or perched, can be found when strata have been overturned and folded (an antiformal syncline). Figure 5 shows what can happen if the incorporation of the defoamer is not correct. 2. Do you ever grind your forms? If so that increases the Anti Point Counter that increases or decreases depending on the situation. Folds are inclined where the axial plane dips and the. In Stock. is used when one or stacks of originally flat and planar surfaces such as sedimentary beds become bent or curved as a result of plastic (i. Antifoams prevent the formation of foam, while defoamers control existing foam. anti-foaming: [adjective] reducing or preventing the formation of foam. noun. The most widely used industrial antifoams are based on polydimethylsiloxane (PDMS) oils, yet very little fundamental information exists for these products. Early definitions of antifoamers referred to the chemicals or. They come in two types: silicone based and. Dokumentasjon. Silicone-based antifoams are generally considered to be siloxane polymers and are also synthetic. New Jersey, U. Antifoams are supplied as two basic types of composition or mixtures of the two. Blog. D1–2 are probably Scourian (s. Defoamer. IDH number: 1188262 Product name: LOCTITE STYCAST ANTIFOAM 88 known as ANTIFOAM 88 CLR 1LB Page 3 of 6 7. Synclines are typically a downward fold, termed a synformal syncline (i. (ii) They form the valleys. The Val-de-Ruz syncline is a northeast-southwest trending, rhomb-shaped synclinal basin in the internal part of the central Jura Mountains. Milky White Defoamer, Grade Standard: Technical Grade, Packaging Size: 25. The reason is that less of the head forming protein which is good for foam has been lost during fermentation and. BWM is a micro-mill making cloth in Bristol city for the first time in 100 years. It can be repeatedly sterilized by autoclaving. Download full size image. 2. Different idealized modes for antiform within (a) positive flower structure and (b and c) hybrid flower structure. Organic antifoams are of synthetic origin. In an anticline the oldest rocks are exposed in the middle of the structure and get younger as you move out. Antifoam 204 can itself be considered a surfactant, but it contains no other surfactants. Ester-based antifoams. In most worlds, Antiform makes Sora's skin, hair and clothes turn black and blue, and blue demonic symbols are shown on the. 2 4. Silicones and polypropylene glycols are effective options as antifoams. Organic antifoams are of synthetic origin. It can be repeatedly sterilized by autoclaving. votes, rated based on results identification. 2 Chemistry of cement slurry antifoams. The terms anti-foam agent and defoamer are often used interchangeably. The shear used to make the coating will incorporate the defoamer and compatibilize it over time. Silicone-based antifoams are generally considered to be siloxane polymers and are also synthetic. recumbent. Solution. Robert Morris, en su artículo Anti form, de abril de año 1968, defendía un tipo de escultura intimista donde los materiales usados se correspondiesen de alguna manera con el estado psicológico del autor. 2. In the games code there is a system called Anti-points. / ea. So, to summarize: antiform refers to a fold in rock layers that creates an arch shape, while. antiform Arch-shaped rock structure which, by definition, closes (i. To reduce or eliminate the. 0 10% NaOH Solution. For use in microbiological media Sigma recommends a starting concentration of between 0. ANTIFOAMS Product Numbers A6426 Antifoam 204 A8311 Antifoam 204 (autoclaved) A5551 Antifoam 289 A8436 Antifoam 289 (autoclaved) A5633 Antifoam A ConcentrateTitle: Silicone Antifoams for Chemical Processing - Selection Guide Author: Dow Subject: Explore Dow's portfolio of DOWSIL and XIAMETER Silicone Foam Control Agents suitable for Cleaning Products Manufacturing, acting as antifoam or defoamer. The hinge line follows the line of greatest bend, where the axial plane intersects the outside of the fold. 07209. This laboratory test method may be applied to aqueous systems containing additional components, such as agricultural chemicals. Silicone-based antifoams are generally considered to be siloxane polymers and are also synthetic. Synform. The flow properties of Antifoam SE-15 are such that it can be pumped to a fermentor on an as-needed basis. It contains non-ionic emulsifiers different from those in Antifoam Emulsions A and B. Sign up to our mailing list for 10% off your order: ©2023 Antiform. 8 KB. To The Top!1 Content from this work may be used under the terms of the CreativeCommonsAttribution 3. For many applications and industries, foam isn. The flow properties of Antifoam SE-15 are such that it can be pumped to a fermentor on an as-needed basis. 1 Answer. Identification Antifoam agent, Antifoam 1520, Part Number 5190-2235 CHEMTREC®: 1-800-424-9300 SAFETY DATA SHEET Product name In case of emergencyI'm culturing fungi in a fermenter and currently I'm using Antifoam A concentrate from Sigma which consists of 100% active silicone polymer to prevent foaming at 0. To The Top!Noun. Formation of foam is very common in bioprocesses. Anticline is a hyponym of antiform. Physical methods used for foam destruction include the mechanical transmission of shear stress through contact with a blade of the destruction element [8,9]. Hold the GUARD / LOCK-ON Button to perform a new kind of Glide! New Exclusive: GODZILLA ULTIMA (GLOW) Funko. Antiform - Crash feat. This product is made to the highest standards and is fortified with an organic wax that affords efficient foam control across broad operational parameters. It represents the darkness that still dwells within Sora's heart, [1] and it is obtained along with Sora's new clothes at Mysterious Tower. Let’s work together to find out where improvements can be made. They typically consist of a carrier fluid such as silicone, mineral oil, esters, or polyols, along. ttf web svg eot woff woff2 otf pfa bin pt3 ps cff t42 t11 dfont none. Some important aspects of using WACKER antifoam agents are discussed below:The difference between and antiform and an anticline is the scale of the structure. TERMS & CONDITIONS. In the oil industry, for example, processes such as gas–crude oil separation and desulphurization of natural gas by bubbling through alkanolamine solutions usually require defoaming, which often involves the use of chemical antifoams. The axial plane intersects the center angle of bend. monocline. Normally 0. English. Folds are very common, therefore, in orogenic belts – regions where the Earth’s lithosphere has undergone shortening as a result of plate movements. An oval fold in which strata are up-arched and the younger rocks are found in the interior is a basin. HDK® | Product Overview for Pharma, Food & Feed Applications | PDF 531. The oxygen transfer rate (OTR) depends upon the k L a and upon C l,∞ – C l, where C l is the dissolved oxygen concentration and C l,∞ is the oxygen saturation concentration in the liquid phase at the gas-liquid interface[29]. Size : 63. Absorption is one of the most established techniques to capture CO2 from natural gas and post-combustion processes. Every time you enter Valor form, Wisdom form, or Master form you gain 1 anti-point. Antifoam C emulsion is an aqueous emulsion containing 30% active silicone. This counter is increased by 1 every time Valor, Wisdom, Master, or Limit Form is activated, but is reduced by 10 when. In order to grow, aerobic organisms require a sufficient concentration of dissolved oxygen in the medium. 3. The interaction between them makes the foam decay faster and in the same time exhausts the antifoam. 00. pastoris increased the total amount of recombinant GFP in the culture medium (the total yield) and in the case of P2000, SB2121 and J673A almost doubled it. antifoam: [noun] a substance that reduces or prevents the formation of foam. Stir until the baking soda is dissolved. This antifoam is water-dilutable and effective in both hot and cold systems. D. All of the materials and workmanship involved in the production of Antiform clothing is sourced within the. Surfactant-based and polymer-based antifoams. After agitation, add the thickener solution (45. Antifoams stop foam interference, damage, and allow peak performance. Organic antifoams are of synthetic origin. Background and types of antifoamers and defoamers. Almost all of our orders are made to order when they come in direct to our studio! We aim to make your item within 48 working hours, and then post your item that day or the day after, after which you should allow up to three days for delivery. Begin trials at higher use levels (50 ppm active silicone), then work down to the level of foam control desired. Foaming needs to be avoided and controlled in household, industrial and institutional cleaning products. The construction is designed to be hung unframed and reinforced by a Plexiglas backing sheet with wall mount. Antifoams Product Codes A6426 Antifoam 204 A8311 Antifoam 204 (autoclaved) A5633 Antifoam A Concentrate A6582 Antifoam A Concentrate Molecular biology gradeScope. Version : 1. I have set up and run several enterprises in fashion and textiles, gaining a broad experience of managing businesses, from challenging current industry systems to developing strategies for more connected production operations. 3. Organic antifoams are of synthetic origin. To The Top! Antifoam SE-15 is a 10 % emulsion of active silicone polymer and non-ionic emulsifiers. ANTI FORM. Strictly speaking, defoamers eliminate existing foam and anti-foaming agents prevent the formation of further foam. basin. Her finner du tekniske datablad (TDS), sikkerhetsdatablad (SDS) og FDV-datablad. Dow’s antifoams help prevent foam in crop protection, food processing, water treatment, and more. The formation of excessive foam bubbles – a phenomenon that causes problems throughout oil and gas production. Add the antifoam compound to the kettle. The peaks of Namche Barwa (7782 m). With an environment rating of ‘great’, Antiform uses a high proportion of eco-friendly materials, including recycled materials. Defoamers are antifoaming agents acting as additives to kill existing foam. Antifoaming agent is substance that have unique ability to reduce, prevent and controlling the formation of foam. . Silicone-based antifoams are generally considered to be siloxane polymers and are also synthetic. Antifoams are supplied as two basic types of composition or mixtures of the two. Antifoam SE-15 is a 10 % emulsion of active silicone polymer and non-ionic emulsifiers. IN GENERAL 1. Contact Us. 1983, Edith Kurzweil, William Phillips. The flow properties of Antifoam C are such that it can be pumped to a fermentor on an as-needed basis. De-foaming mechanisms. Syncline and anticline. For the stock, we autoclave a 10% solution and add at MAX 1 or 2 ml per liter. Anti-form is a term associated with a group of artists working in the United States in the late 1960s who embraced chance and other organic processes in the creation of their. Antiform. It can be repeatedly sterilized by autoclaving. Effective antifoam liquids are characterized by lower surface tensions than those of the foaming liquid, and are insoluble [ 81 ]. Dispersion of the antifoam in the foaming solution. Dette mærke finder du på eksplosive kemikalier, gasser og genstande. It represents Sora's completion, [1] and can be unlocked after Sora and Roxas come to terms at the Dive to the Heart. Documented evidence of mining in the area dates back nearly 500 years. 1. Anticlines are folded rock formations that have an upwards convex shape. Results. Silicone-based antifoams are generally considered to be siloxane polymers and are also synthetic. Figure 4. Again many thanks for the many emails and queries that. Introduction. Author : TAG's : Antiform Regular AntiformD. Organic antifoams are of synthetic origin. e. It shows that the k L a generally decreases with an increase in antifoaming agent concentration. It can be repeatedly sterilized by autoclaving. Søk etter produktet du ønsker. Antiform and anticline are two different ways of describing the same geological feature. e. Order Qty of 1 equals (1) 5 Gallon Pail. 75%. 9). Antiform is a Drive Form which appears in Kingdom Hearts II. Defoamers eliminate existing foam, while anti-foamers prevent the formation of more foam. GG303 Lecture 28 9/4/01 7 Stephen Martel 28-7 University of Hawaii Fold Classifications (modified from Ragan, 1973, Figure 7. Answer Key: Antifoam is used to prevent foam from forming, while defoamer is used to eliminate foam that has already formed. Monoclonal antibodies (mAb) are an important class of biotechnology-derived drug products with approved treatment indications ranging from autoimmune diseases, post-transplantation complications, arthritis, and the treatment of various types of cancer. $12. Sign up to our mailing list for 10% off your order: ©2023 Antiform. Momentive’s silicone-based antifoam and defoaming agents can help to take foam out of the picture, by knocking it down quickly and, more importantly, by keeping it down over time. Introduction. Recent developments are summarized in understanding antifoaming action by oil drops and solid particles, either separately or in combination, on aqueous foams. Liquid antifoams are the predominant type of antifoam used in applications with non-aqueous foams. This antifoam is water-dilutable and effective in both hot and cold systems. The word antifoam is thus a bit of a misnomer because the foam on the end-product beer is usually improved. Safety Data Sheet for Silicon anti-foaming agent 107743. permanent) and ductile deformation. TERMS & CONDITIONS. 7. It does not contain mineral oil. The terms anti-foam agent and defoamer are often used interchangeably. 6 Hazardous decomposition productsAntifoam SE-15 is a 10 % emulsion of active silicone polymer and non-ionic emulsifiers. New London Chemicals offers a great variety of antifoaming and defoamer products including silicone based, non-silicone based, kosher, industrial and food grades, etc. Background Pichia pastoris is a widely-used host for recombinant protein production. Además, el proceso de creación formaba pate de la obra de arte ya que daba énfasis al valor psíquico de la misma. Eur. A form that defies the usual conventions of artistic forms. What antiform means? Filters. Although little documented, the eastern syntaxis of the Himalayas, named Namche Barwa after the 7756 m high peak that towers it, is. 2. 1 Nearly 70% of all recombinant protein production processes utilize Chinese Hamster Ovary (CHO) cells because of their. The terms anti-foam agent and defoamer are often used interchangeably. 27 2. 5kbar vertical separation between foot- and hanging walls (Boyle and Dawes 1991). Antiform x You – The rebirth of your favourite fabric for a unique custom made dressTitle: Silicone Antifoams for Textile Production - Selection Guide Author: Dow Subject: Explore Dow's portfolio of DOWSIL and XIAMETER Silicone Foam Control Agents suitable for use in varied Textile, Fabric, Yarn and Fiber processing applications, as. A particular problem in these formats is foaming,. The reference vector is chosen on the xy plane because polarity flipping of dip vectors, a transformation by reflection, is carried out with respect to this plane. In 1966, she organized an exhibition entitled Eccentric Abstraction at the Fischbach Gallery in New York City. The nomenclature and geometry of folds are summarized on Figure 12. Non-Silicone Antifoam. plunging fold. Of particular significance is a paper by N. The suspension is suitable for use in top or bottom-fermented beers in all types of fermentation tanks. Although foaming is advantageous for a few industries, it causes huge losses in others. Introduction. 82 Kbps. It is con- trolled by the mode of antifoam addition, interfacial tension, and the agitation in the system. Diagram of a monocline. The history of the antifoams can be split to two periods — (i) period of “oil” antifoam products (early 1940s–late 1970s); and (ii) period of “oil + hydrophobic particles” antifoam products (late 1970s–present). I've used the LevelSet filter to generate the new border extension. Prediluted suspensions should be used immediately. Discovering where the waste exists in each different manufacturing process or. Antiform is a Drive Form which appears in Kingdom Hearts II. New Jersey, U. While stirring, add the SPEs. Organic antifoams are of synthetic origin. malform: [transitive verb] to cause to be badly or imperfectly formed : cause to be formed in such a way as to deviate from the normal or usual : give an abnormal, anomalous, or. The FoamTrol comprehensive product line contains a variety of different products, each with a unique composition, specially formulated to address the. fold. AF-100-FG is a food-grade in non-aqueous silicone antifoam variety with viscosities from ready to use to super-concentrated. Lucy Lippard (b. In microgravity, where buoyancy and gravitational drainage are strongly slowed down, diffusion leads to poor antifoam performance. Antiform definition: (geology) A topographic feature which is composed of sedimentary layers in a convex formation, but may not actually form a real anticline ( i. As the direct successor of digital type pioneer URW GmbH, it continues to design and develop first. Velg eventuelt land og språk om du ønsker. Antifoams are supplied as two basic types of composition or mixtures of the two. I'm not exactly sure if Limit form adds a point or not. , but severe foaming causes the high cost of production, restraining their commercial production and applications. This antifoam is water-dilutable and effective in both hot and cold systems. For more details on Anti Form and why you may be getting Anti Form a lot, watch a youtuber by the name of "Bizkit047", he has a great and very brief guide that is less than ten minutes long analyzing Anti Form in detail. Antifoams are supplied as two basic types of composition or mixtures of the two. Understanding Shear. Antiform (アンチフォーム, Anchi Fōmu?) is one of Sora's Drive Forms in Kingdom Hearts II. Nitroglycerin. Previously I wrote about the use of surfactants and wetting agents in Colloidal silica slurries. Specific Gravity @ 25°C. A8011 Antifoam C Emulsion A8011 is a 30% aqueous emulsion of Antifoam A concentrate. Having produced about 27 billion liters of ethanol in 2015, Brazil is the second largest ethanol producer in the world,. Antifoam 10™ 10% silicone emulsion food grade defoamer formulated with FDA cleared ingredients for a wide variety of processing applications. Because it can be affect efficacity of cell and also the rate then quality of the final products. Fig. One to 100 parts of active silicone per million parts foamer are sufficient to eliminate most foams. Our return/exchange period runs for 14 days from delivery as long as the item is unworn and in its original state with tags, enclosing a copy of your invoice stating the reason for return and if you would prefer a refund or an exchange. Robert J Mitchell. (1): Foam formation and antifoam mechanism. Antifoams are supplied as two basic types of composition or mixtures of the two. The first mitigation action is normally the addition of chemical antifoam. Antiform is a forward thinking fashion company with an irregular twist, pushing the boundaries of ethical, sustainable design by using reclaimed materials and mixing fashion forward shapes with heritage craft. 2. , the oldest rocks may not be exposed in the middle) while synform is a topographic feature which is composed of sedimentary. The Right Product for Every Application. Where: 𝑦w/a = surface tension of the foaming liquid. Anti-Foaming Agents: FermCap, 5-Star Defoamer & Others. The hinge line follows the line of greatest bend, where the axial plane intersects the outside of the fold. It uses both party members, and consumes all of Sora's Drive Bars, and any progress towards. Synonym: upwrap. Antifoam L-30 Emulsion works effectively in very low concentrations. Synonyms: Antifoam L-30 Emulsion Other Notes: A 30% aqueous…. The mechanism of such an effect is complex. Read more. As the name implies, the purpose of the defoamant is to retard the formation of stable foam on the surface of the oil in the sump. 3: Methyl-p-hydroxybenzoate 0. The orientation of the axial surface is described by means of its dip direction and angle of dip. The Renvyle Bofin Slide may have carried the Curry-8050-81-5. Product Name Silicon anti-foaming agent. Defoamer is also called defoaming agent, antifoaming agent,antifoam, defoaming agent actually means to eliminate foam, it is a substance with lower surface tension and higher surface activity. 68. By Robert Morris. This could include defects on surface coatings,. Solution. First, a reference vector on the xy plane perpendicular to the global plunge vector (Fig. [ 1] Antifoam B emulsion does not affect the growth of bacteria. Liquid antifoams are the predominant type of antifoam used in applications with non-aqueous foams. Terminology. This product is synthetic and not derived from animal or plant sources. It is used to prevent formation of foam or is added to break foam that is already formed. Antifoaming agents are commonly used during culturing of enzyme-producing microorganisms. 0 XIAMETER AFE-0050 Antifoam Emulsion³ 5. Organic antifoams are of synthetic origin. Antiform - Bury Me featuring Awaking StateOfficial Music Video for the smash hit Bury MeCD and digital album download availible from can use vegetable oils, silicone oil, poly-glycols and mineral oil are good anti-foam agent. Nonplunging folds have horizontal hinges or plunges of less than 10 degrees, while vertical folds plunge at 80–90 degrees (Fig. Antifoam Y-30 Emulsion (aqueous emulsion for bacterial and mammalian systems); Suitable for hybridoma cell culture; Suitable for preventing or minimizing foaming in microbial fermentation systems and mammalian suspension cultures; Antifoam Y-30 is a silicone-based product used to prevent or minimizeAntifoam L-30 is a nonionic emulsifier. 1: Model of anticline. Silicone Antifoam Solutions. Silicones and polypropylene glycols are effective. 00 (0) Shop Collections. ], which describes. Related to post-minimalism, anti-form sculptors worked from the principle that form should be derived from the inherent qualities of the chosen material. 40 4. It can be repeatedly sterilized by autoclaving. In structural geology, an anticline is a type of fold that is an arch-like shape and has its oldest beds at its core, whereas a syncline is the inverse of an anticline. Blog. Where the axial plane dips less than 10 degrees, the term recumbent is applicable. Antifoam SE-15 is a 10 % emulsion of active silicone polymer and non-ionic emulsifiers. Anticline is a holonym of antiform. A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids. Silicone oil antifoaming agent. S = 𝑦w/a – 𝑦w/o – 𝑦o/a. These structures reflect a macroscopic structure of and synforms, all affected by a dominant north-northwest to south-southeast tectonic transport. Applied Material Solutions and our predecessor. It is important to note that syncline and. e. Before manufacturing, we of course head out sourcing! Click here to discover more about our sourcing process > Antiform Collection #9 A/W saw us reaching out to businesses in the South West as well as our loyal friends up in Yorkshire for our reclaimed textiles. Several mechanisms explaining the action of antifoams have been suggested which include bridging-dewetting, spreading fluid entrainment and bridging-stretching[]. Folds are some of the most striking and spectacular features of the Earth’s crust. 4. Antifoams are supplied as two basic types of composition or mixtures of the two. Sterilization of these products is performed using a validated gamma‑irradiation process. The flow properties of Antifoam SE-15 are such that it can be pumped to a fermentor on an as-needed basis. Unfortunately, your shopping bag is empty. Unlike other Drive Forms, Anti Form cannot be purposefully activated. In the oil industry, for example, processes such as gas–crude oil separation and desulphurization of natural gas by bubbling through alkanolamine solutions usually require defoaming, which often involves the use of chemical antifoams. Organic antifoams are of synthetic origin. Our mission: to produce the most natural, brilliant,. With its unconventional letterforms and artistic flair, this typeface offers a fresh and dynamic approach to visual communication. The flow properties of Antifoam SE-15 are such that it can be pumped to a fermentor on an as-needed basis. Catalog Number 107743. Oil-based antifoams. Antifoams are supplied as two basic types of composition or mixtures of the two. Although foams are thermodynamically unstable, under practical conditions they can remain fairly stable for a considerable period of time, and it is often necessary to add chemicals to prevent foaming or to destroy the foam. The flow properties of Antifoam SE-15 are such that it can be pumped to a fermentor on an as-needed basis. Description. About Us. Please call us: +31 (0) 294 494 460 and of course you can also send an email. Introduction. HDK® | Colloidal Silicon Dioxide for Pharma and Nutrition | PDF 1. Geologic folds are layers of rock that are curved or bent by ductile deformation. SAG 1000AP silicone antifoam is a 100% active foam control agent, it can give excellent performances in non-aqueous environments. Paint, waste water. 1. D3 was accompanied by almandine–amphibolite. dome. This antifoam is water-dilutable and effective in both hot and cold systems. About Antiform – Antiform.