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Polar compound
| Oil glossary |
A chemical compound whose molecules exhibit electrically positive characteristics at one extremity and negative characteristics at the other. polar compounds are used as additives in many petroleum products. polarity gives certain molecules a strong affinity for solid surfaces; as lubricant additives (oiliness agents), such molecules plate out to form a tenacious, friction-reducing film. some polar molecules are oil-soluble at one end and water-soluble at the other end; in lubricants, they act as emulsifiers, helping to form stable oil-water emulsions. such lubricants are said to have good metal-wetting properties. polar compounds with a strong attraction for solid contaminants act as detergents in engine oils by keeping contaminants finely dispersed.
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Compound, английский
- A combination of a diamond and turnouts connecting the intersecting tracks within the diamond. single compounds require two sets of points and double compounds require four sets of points.
- Compound is the term used in perfumery to describe the concentrated fragrance mixture before it’s diluted to make the finished perfume.
- (1) chemically speaking, a distinct substance formed by the combination of two or more elements in definite proportions by weight and possessing physical and chemical properties different from those of the combining elements. (2) in petroleum processing, generally connotes fatty oils and similar materials foreign to petroleum added to lubricants to impart special properties.
- Состав; компаунд
- A chemical substance made up of two or more components adjective made up of two or more components
- A сложный, состоящий из нескольких элемнтов (слогов, слов) | n грам сложное слово (тж. complex word, compound word) paradigm, phoneme, predicate, sentence, word asyntactic ~ асинтаксическое сложное слово (ант. syntactic ~) attributive ~ атрибутивное сложное слово copulative ~ связочное сложное слово determinative ~ определительное сложное слово repetitive ~ повторительное сложное слово semi-syntactic ~ полусинтаксическое сложное слово semi-synthetic ~ полусинтетическое сложное слово subordinative ~ подчиненённое сложное слово syntactic ~ синтаксическое сложное слово (ант. asyntactic ~) synthetic ~ синтетическое сложное слово compounding n словосложение form
- A term used in india for a lawn garden, or inclosed ground round a house.
- A lubricant applied to wire rope to improve or increase its resistance to corrosion or abrasion.
- This term’s a.k.a is perfume oil, which is more popular than the word compound. it stands for the concentrated concoction of the perfume’s mixture of ingredients, and it marks the undiluted stage of the perfume’s life. before it is bottled and sold to the end users (perfume lovers all around the world), the perfume compound is diluted with various solvents and the perfume is brought into the world. the compound is the virgin state of the fragrance.
- A compound is a completed perfume formulation ready to be used in a product such as perfume, toilet water, etc. the terms “composition” and
- Огороженная территория вокруг фабрики и т. п. европейцев (на востоке) огороженные бараки для рабочих алмазных приисков (в южной африке)
- In chemistry, a distinct substance formed by the combination of two or more elements in definite proportions by weight and possessing physical and chemical properties different from those of the constituent elements. in petroleum processing, generally connotes fatty oils and similar materials foreign to petroleum, added to lubricants to impart special properties; such lubricants are known as ‘compounded oils”.
- A chemical combination of elements.
Compound, английский
Compound -, английский
Стена, возведённая из разных материалов
Compound accreted value (cav), английский
Compound annual growth rate, английский
- Среднегодовой темп роста в сложных процентах
- Annual return calculated based on each year`s previous balances where each previous balance includes both the original principal and all interest accrued from prior years. best defined by example. if you invest $100 today and make 5% in the first year and reinvest ($105) and make 8% in the second year, the compound annual growth rate is 6.489%. the calculation is $100x1.05x1.08=$113.4 which is what you end up with at the end of year two. the average return is [square root(113.4/100) -1]= 0.06489 or 6.489%. note 1. if we had three compounding periods we would take the cubic root (power of 1/3). note 2. if we had invested at exactly 6.489 in both periods, we get $100x1.06489x1.06489=$113.4. note 3. the example is directed to a return - but cagr could be applied to earnings growth, gdp growth, etc.
Compound annual growth rate (cagr), английский
Compound annual return, английский
See: compound annual growth rate
Compound arch, английский
An arch formed by concentric arches set within one another. compound beam, built-up beam a rectangular beam composed of smaller timbers over which planks are nailed on each side; the composite unit is joined together by bolting or by gluing. compregnated wood, resin-treated wood wood impregnated with a thermosetting resin, then subjected to heat and pressure to provide both resin curing and compression. comprehensive general liability insurance a broad form of liability insurance covering claims for bodily injury and property damage which combines under one policy coverage for all liability exposures (except those specifically excluded) on a blanket basis and automatically covers new and unknown hazards that may develop; automatically includes contractual liability coverage for certain types of contracts.
Compound attribute, английский
Составной атрибут
Compound blend, английский
Составное перетекание; составной переход
Compound carburetor, английский
Carburetor with more than one choke or mixing chamber per inlet port. compressed natural gas natural gas, normally predominantly methane, stored under pressure for automotive use. also cng, compression (1) of a solid material, subjecting to axial forces that would decrease the dis
Compound catenary, английский
Compound column, английский
Compound compact, английский
Compound compression, английский
Compound condition, английский
Объединенное условие
Compound control, английский
A control and an attached label, such as a text box with an attached label.
Compound cradle, английский
Compound curvature, английский
Wood bent to a compound curvature,
Compound data object, английский
Сложный объект данных; составной объект данных
Compound data type, английский
Сложный тип данных
Characteristics, английский
- The distinguishing qualities of a navigation aid or buoy, including shape and color, whether fixed or flashing, and flashing sequence.
- A high-performance fiber with high chemical resistance that does not burn in air. it has no melting point and does not drip when exposed to flame. the fiber and fabrics from pbi retain their flexibility, dimensional stability, and significant strength without embrittlement even when exposed to flame or extreme heat. the fiber emits little smoke in extreme conditions. it processes well on conventional textile equipment, having processing characteristics similar to polyester. it can be used in 100% form or blended with other fibers. it has a high moisture regain and low modulus with comfort properties similar to cotton. the natural color of pbi is a gold-khaki shade, but it can be dyed to almost any medium to dark shade with conventional basic dyes.
- Acetate fabrics are in appearance fast-drying, wrinkle and shrinkage resistant, crisp or soft in hand depending upon the end use.
- Although modacrylics are similar to acrylics in properties and application, certain important differences exist. modacrylics have superior resistance to chemicals and combustion, but they are more heat sensitive (lower safe ironing temperature) and have a higher specific gravity (less cover).
- Although the properties of the nylons described above vary in some respects, they all exhibit excellent strength, flexibility, toughness, elasticity, abrasion resistance, washability, ease of drying, and resistance to attack by insects and microorganisms.
- Because acrylic fibers are thermoplastic, fabrics may be heat-set for wrinkle resistance and to provide permanency to pleats. acrylic fabrics have low moisture absorbency and dry relatively quickly. in general, acrylic fibers are resistant to the degrading effects of ultraviolet rays in sunlight and to a wide range of chemicals and fumes. they provide warmth in fabrics that are lightweight, soft, and resilient. acrylic fibers have relatively poor flame resistance compared with other fibers. some acrylic fabrics, particularly knit types, approximate the hand of fine wool. because of the composition and cross section of the fiber, fabrics made therefrom have a high bulk to weight ratio. this is further enhanced with the so-called “high bulk” spun yarns.
- Glass fiber is incombustible and will tolerate heat up to 1000°f without material damage. potential strength is not realized in woven fabrics or even in yarns, because the fiber is brittle and fracture points may develop, but nevertheless, very high tensile strength is obtained in woven fabrics, and is retained at elevated temperatures. the fiber originally was difficult to color but methods have been developed to accomplish this. moisture absorption is low. electrical and insulation resistance is high.
- Polychlal fibers have a soft, lamb’s wool-like hand and moderate moisture regain. the fibers are also characterized by high flame resistance and high abrasion resistance.
- Polyester fibers have high strength and are resistant to shrinking and stretching. fabrics are quick drying and tend to have wrinkle resistance and crease retention, wet and dry. polyester is used alone and in blends. it has been one of the first fibers to be developed in fabrics with durable-press features.
- Polyethylene fibers have a low specific gravity, extremely low moisture regain, the same tensile strength wet and dry, and are resistant to attack by mildew and insects. these qualities have made polyethylene fiber suitable for industrial applications, geotextiles, outdoor furniture, and similar applications. polyethylene fiber does not dye, and in most cases, it is colored by the addition of pigments and dyes to the material prior to spinning. it has a low melting point, a property that has restricted its use in apparel.
- Polypropylene fibers have a number of advantages over polyethylene fibers in the field of textile applications. the degree of crystallinity, 72 to 75%, results in a fiber that is strong and resilient, and does not fibrillate like high-density polyethylene. polypropylene has a high work of rupture, which indicates a tough fiber, and may be made with tenacities as high as 8.0 to 8.5 grams per denier. the melting point of polypropylene is 165°c, which is low by comparison with nylon or polyester, but is high enough to make it suitable for most textile applications. so light that it actually floats, polypropylene fiber provides greater coverage per pound than any other fiber. it is highly resistant to mechanical abuse and chemical attack.
- Rayon yarns are made in a wide range of types in regard to size, physical characteristics, strength, elongation, luster, handle, suppleness, etc. they may be white or solution dyed. strength is regulated by the process itself and the structure of the yarn. (also see polynosic fiber.) luster is reduced by including delustering materials, such as titanium dioxide pigments, in the fiber when it is extruded. the suppleness of the yarn is controlled by the number of filaments in the yarn, the denier or gauge of the individual filaments or fibers, and the fiber cross-section.
- Spandex is lighter in weight, more durable, and more supple than conventional elastic threads and has between two and three times their restraining power. spandex is extruded in a multiplicity of fine filaments which immediately form a monofilament. it can be repeatedly stretched over 500% without breaking and still recover instantly to its original length. it does not suffer deterioration from oxidation as is the case with fine sizes of rubber thread, and it is not damaged by body oils, perspiration, lotions, or detergents.
Properties, английский
- A dockable window that displays the properties that are set on the selected object. in most cases, the property values can be edited in the window.
- A ui element that users can click to display information about a selected object.
Attraction, английский
- Initially named a circus act having striking effect on the audience thanks to mechanisms. (for example, cyclist running over high walls of a large "basket" without a bottom; a great number of automotive shows, etc). nowadays this is a long separ
- The power of drawing, or the principle by which all bodies mutually tend towards each other; the great agent in nature`s wonderful operations.—attraction of mountains, the deviating influence exercised on the plumb-line by the vicinity of high land. but exerting also a marvellous effect on all floating bodies, for every seaman knows that a ship stands inshore faster than she stands out, the distances being similar.
Electrical, английский
Characteristic, английский
- Property that helps to distinguish between items of a given population (3)
- A quality which allows something to be recognised as different cancer destroys the cell’s characteristics. adjective being a typical or distinguishing quality symptoms characteristic of anaemia the inflammation is characteristic of shingles.
- N характеристика (см. тж. portrayal) articulatory ~ артикуляторная характеристика perceptual ~ перцептивная характеристика, характеристика восприятия
- Характерная особенность, признак; характеристика, особенность ~s of the loading особенности [параметры] нагружение (конструкции)
- The characteristic dimension dc
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Polishing (bore), английский
Excessive smoothing of the surface finish of the cylinder bore or cylinder liner in an engine to a mirror-like appearance, resulting in depreciation of ring sealing and oil consumption performance.
Poise (absolute viscosity), английский
A measure of viscosity numerically equal to the force required to move a plane surface of one square centimeter per second when the surfaces are separated by a layer of fluid one centimeter in thickness. it is the ratio of the shearing stress to the shear rate of a fluid and is expressed in dyne seconds per square centimeter (dyne sec/cm2); 1 centipoise equals .01 poise.
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