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Effects of surfactant on viscosity of cetyl hydroxyethylcellulose (CHEC) solution were investigated by rheometer.

摘要 :通过流变仪研究了几种表面活性对十六烷基羟乙基纤维素(CHEC)溶液黏度的影响。

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Surfactants used in gathering transportation,include demulsifier,defoamer,deoiler,scale inhibitor,corrosion inhibitor,bactericide etc.

在原油集输中,表面活性作破乳、消泡、除油、防垢、缓蚀、杀菌等。

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This article introduces the application and effect of flourine surfactant in oil-proof paper.

本文介绍了氟表面活性刑在防油纸中的应和使

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The product is used in the absorbance of acidgas,nonionic surfactant,emulsifier,polishing agent and industrial gas purificant.

酸性气体吸收,非离子表面活性,乳化、擦光和工业气体净化

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N,N-dimethylformarnide surfactant methanol solution was developed to functionalize the surface of multi-waled carbon nanotubes (MWNTs).

摘要二甲基甲酰胺表面活性来超声分散多壁碳纳米管,制备碳纳米管增强的环氧树脂基聚合物。

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Methods The antifogging agent was a mixture of the basic liquid containing oxometallate and additive containing surfactant.

方法防雾由含金属含氧酸盐的基础液及含表面活性的添加混合而

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A special oil-based gelled fracturing fluid,Which combines gellant,crossing-linking agent,surfactant,exciting agent and breaker is presented and tested.

介绍了由磷酸酯胶凝、表面活性、激活和破胶的具有特殊性能的油基冻胶压裂液体系。

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The reactive surfactant, sodium allyl hydroxyalkyl sulphonate(SAHS) was applied as modifying agent to polymerize elastic acrylic emulsion.

使烯丙基羟烷基磺酸钠(SAHS)作为可聚合乳化,改性合了弹性丙烯酸酯乳液。

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The effects of multivalent inorganic counterions (non-quencher) and surfactant on the aggregation of P1’–P3’ were studied in water.

研究了多价无机抗衡离子和具有表面活性性质的抗衡离子对P1’–P3’聚集态的影响。

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A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.

报道了一种以表面活性、丙二烯二胺和柠檬酸、EDTA为主要组分的硫化亚铁清洗配方和其在炼油装置应的情况。

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This artied discussed on the development status of surfactant industry, symebetic route of raw material, biolysis and environrnent foctor and surfactant usege.

本文论述了表面活性工业发展现状、合原料路线、生物降解和环境因素及表面活性途。

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The amino-acid imidazoline amphoteric surfactant was prepared from dichloroethane and vegetable-oil fatty acid as raw materials by aminolysis, esterffication and hydroxymethylation.

以二氯乙烷与植物油脂肪酸等为原料,通过氨解、酯化、羟甲基化缩合反应制得氨基酸类咪唑啉型两性表面活性

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The nonionic surfactant palmitic acid monoethanolamide polyglycoside(PMEAPG),which has not been reported in the literature,was obtained by transglycosidation of PMEA with n-butyl glycoside.

以棕榈酸和单乙醇胺反应,生棕榈酸单乙醇酰胺,再与丁苷进行转苷化反应,得到文献未曾报到过的棕榈酸单乙醇酰胺葡萄糖苷非离子表面活性

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We developed a new method to determine critical micella concentration of anionic surfactant by adsorption voltammetry, using neutral red, as a probe.

以易溶有机溶,微溶水的氧化-还原指示中性红为探针,吸附伏安法测定了阴离子表面活性的临界胶束浓度。

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Effects of nutrition such as glucose, tryptone, soybean powder, corn powder, and fibrin as well as surfactants on fibrinolysin production by B.

大豆粉、玉米粉、表面活性和底物等对枯草杆菌产血纤维蛋白溶解酶和产酶特性的影响。

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A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱性条件下经加、缩合制得可发性酚醛树脂,该树脂和表面活性、发泡、固化一起发泡即得酚醛泡沫塑料。

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They fall into two main categories: thi o surfactacts and non-thio surfactants for the flota-tion of sulfide and oxide minerals respectively.

它们分为含硫表面活性和不含硫表面活性,分别硫化矿和非硫化矿的浮选。

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From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.

松香纯化得到的松香酸(枞酸)与马来酸酐反应得马来海松酸,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情.

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Sodium lauroyl sarcosinate was prepared. Preperties of the above product was determined. The result shows that the product is a N acylamino acid surfactant with good properties.

了N-月桂酰基肌氨酸钠,测定了其主要性能。结表明该产品是一种性能优良的氨基酸表面活性

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The application of surfactant in microbial degradation of petroleum pollution in recent years is introduced in this paper and the factors of choosing the eptitude surfactant are also disc.

石油污染日益严重,利微生物降解石油是一种经济有效的石油污染治理方法。

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科学60秒 2017年4

The chemical in question is known as an organosilicone surfactant.

上文提到的化学物质是一种有机硅表面活性剂。

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科普小杂文

This creates a thin surfactant layer that helps prevent fogging.

这会形成一层薄的表面活性剂层,有助于防止起雾。

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科学60秒 2017年4

Agriculture is just one use for organosilicone surfactants. It's all over the place.

“不仅仅是农业应用有机硅表面活性剂。各个地方都在用这种物质。

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咖啡品鉴指南

Now, in espresso, there are a lot of different compounds that are surfactants.

在浓缩咖啡中,有很多不同的化物都是表面活性剂。

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咖啡品鉴指南

In fact, caffeine at a high enough concentration will act as a surfactant, but it isn't really playing a role here.

浓度足高的咖啡因会起到表面活性剂的作用,但在这里它并没有真正发挥作用。

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呼吸系统

Therefore, pulmonary surfactant allows the lungs to expand so air can enter and gas exchange can occur.

因此,肺表面活性物质使肺扩张,这样空气就以进入,气体交换就以发生。

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呼吸系统

Respiratory distress syndrome, or (RDS), occurs when a person cannot breathe due to lack of sufficient surfactant.

呼吸窘迫综征(RDS)是指由于缺乏足的表面活性剂而导致呼吸困难。

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呼吸系统

Therefore, pulmonary surfactant allows the lungs to expand so we can breathe.

因此,肺表面活性剂使肺扩张,从而使以呼吸。

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呼吸系统

Pulmonary surfactant is produced by cells within the lungs and decreases surface tension by breaking bonds between water molecules.

肺表面活性剂由肺内的细胞产生,并通过破坏水分子之间的键来降低表面张力。

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Scishow 精选系列

It's then sent to the " De-inker" , which is another bath containing air bubbles and soap-like chemicals called surfactants that separate the paper from the ink.

然后纸浆再被送到“脱墨池”,是另一种池子,里面含有气泡,和与肥皂相似的化学物质——表面活性剂将纸从墨水中分离出来。

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盖茨夫妇访谈录

Preemies' lungs haven't yet developed enough of these surfactants, so the small alveoli squeeze too much and collapse, while the larger ones keep blowing up and get distended.

早产儿的肺还没有生长出足的表面活性剂,所以小的肺泡因挤压出太多的气体而塌陷,而大的肺泡则不断膨胀。

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呼吸系统

Fortunately, specialized cells within the lungs produce pulmonary surfactant, which decreases the surface tension by breaking the bond between water molecules.

所幸,肺内的特殊细胞产生肺表面活性物质,通过破坏水分子之间的键降低表面张力。

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咖啡品鉴指南

There's been a lot of research done on this and broadly speaking, they think the active surfactants in espresso are probably things like melanoidins, a protein derived, roasting byproducts.

这方面有很多研究,一般来说,他认为浓缩咖啡中的活性表面活性剂能是黑素,一种蛋白质衍生的烘焙副产品。

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咖啡品鉴指南

Generally speaking, a foam is a bunch of air bubbles trapped in a liquid and something in that liquid is called a surfactant, a surface-active agent.

一般来说,泡沫是一堆被困在液体中的气泡,液体中的物质被称为表面活性剂,一种表面活性剂。

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盖茨夫妇访谈录

But in healthy people, alveoli stay properly inflated because they're full of chemicals called pulmonary surfactants that make the small alveoli more stretchy and less squeezy, balancing the pressure between air sacs.

但在健康的人体内,肺泡会适当的保持充气状态,因为肺泡中充满了一种叫做肺表面活性剂的化学物质,这种物质能使小肺泡更有弹性,挤压力度更小,从而平衡气囊之间的压力。

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呼吸系统

For example, nearly all infants born before 28 weeks gestation will not have enough surfactant to be able to breathe without assistance.

例如,几乎所有在妊娠28周之前出生的婴儿都没有足的表面活性剂,无法在没有帮助的情况下进行呼吸。

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Osmosis-解剖与生理

Most are regular pneumocytes called type I pneumocytes, but some, called type II pneumocytes, have the ability to secrete a substance called surfactant, which helps decrease the surface tension within the alveoli and keeps them open.

大部分为I型肺泡细胞,还有一些为II型肺泡细胞以分泌一种表面活性剂,这有助于降低肺泡内的表面张力,并保持它的开放。

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3G, 401(K), a,
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