在与大庆原油的油水界面性能的研究中发现，其中一类表面活性剂表现出较好的界面性能。
The results show that the introduction of aromatic ring in the alkyl chain increases the size of the hydrophobic group and decreases the capability of surfactant in reducing water surface tension.
车床主要用于加工轴、盘、套和其他具有回转表面的工件，是机械制造和修配工厂中使用最广的一类机床加工。
The lathe is mainly used for machining shaft, plate, sets and other has turned the workpiece surface, and machinery factory is engaged in the most widely used kind of machine tool.
聚酸酐是一类具有表面降解特性的生物医用高分子材料，具有良好生物相容性。
Polyanhydrides are one kind of biomaterial with characteristics of surface degradation and good biocompatibility.
因此拉普致力于研发新一类的氟化聚合物，使其能够做出在实际应用中水和油能够滚落的更加稳定的表面。
Rapp therefore works on developing a new class of fluorinated polymers, from which water and oil roll off and which are far more robust in practical application.
本文对激光束在漫射表面上散射的一类统计模型给出了严格解，并与“质心近似”所得结果作了比较。
Exact solution of a statistical model for laser beam scattering from diffusing surface has been obtained, the comparison with the approximation of center of gravity has been made.
整合素是一类广泛存在于细胞表面的粘附分子，介导细胞—细胞及细胞—细胞外基质间的粘附及信息传导。
Integrin, a kind of adhesion molecule generally exists on the cell surface, mediates adhesion and information transmissions between cell-cell and between cell-extracellular matrix.
微生物脂肽是一类具有很强表面活性和生物特性的生物表面活性剂。
The microbial lipopeptides, which is an important kind of biosurfactants, possesses powerful surface activities and peculiar biological properties.
卵磷脂是重要的生理活性物质，也是一类天然的表面活性剂，广泛应用于食品、医药、化妆品等行业。
Lecithin, as a kind of important physiological activator and natural surface active agent, offers many advantages to health, and is widely used in the fields of food, pharmacy and cosmetic.
研究了由一类均匀各向同性的可压缩超弹性材料组成的球体在给定的表面拉伸作用下的球对称变形问题。
A spherical symmetric deformation problem was examined for a solid sphere subjected to a prescribed uniform radial stretch on its surface.
开发出一类新型的具有螯合性能的表面活性剂。
A new type of surfactant with chelating properties has been developed recently.
双子表面活性剂是一类新型的表面活性剂，其分子由化学键通过联接基团将两个单链表面活性剂的离子头联接构成。
Gemini surfactant is a new type of surfactant, with molecules made up of two amphiphilic moieties covalently connected at the level of the head group by a spacer.
这种技术还是一种先进的表面工程技术，这类材料也是一类应用广泛的表面工程材料。
This technique is also an advanced surface engineering technique, whose product is also a kind of widely used surface engineering material.
整联蛋白是一类重要的细胞表面分子，除介导细胞与胞外基质及细胞间的粘附外，还对细胞的识别、生长和分化具有重要作用。
Integrins are an important cell surface molecules that contribute to a variety of biological functions, including mediate cell and extracellular matrix and cell-cell adhesion.
利用化学镀方法在纳米级碳管表面化学镀镍，得到新一类一维纳米复合材料。
A method to prepare one dimensional nanoscale composite based on coating of carbon nanotube with Ni by electroless plating is proposed.
不饱和烷基硫酸酯是一类性能优良的新型阴离子表面活性剂。
Unsaturated alkyl sulfate is a kind of well performing anionic surfactant.
表面凹坑缺陷是水电站引水压力钢管中的一类常见缺陷。
Pits are common defects on surface of penstock of hydroelectric power stations.
肽树枝状化合物是一类含有肽键或表面接枝肽的树枝状化合物，在生物技术及生物化学领域具有广泛的应用。
Peptide dendrimer is a kind of dendrimer that contain peptidyl bond or is grafted with peptide on the surface. It has been widely used in biotechnology and biochemistry.
铁芯是以高纯度的铁粉为主要原料，将粉末颗粒表面进行绝缘化处理，运用粉末冶金技术经压制成型，热处理后所制备出的一类新型软磁材料产品。
The main material of SMC is the high purity iron powder, insulated on the surface, pressed with the powder metallurgy tech, heated to be the SMC cores.
另一类贫金属星，其质量和表面重力都相对偏小。
One is metal rich and relatively massive with large gravity, while another metal poor with lower mass and surface gravity.
含氟表面活性剂是特种表面活性剂的一类。
表面不带电PTC发热器是一类大功率的需吹风且散热件不带电的PTC发热器。
Non-Surface-Electrified PTC heater Series is a kind of large power Non-Surface-Electrified PTC heater with wind blowing.
通过两个实验验证了金属表面的光滑度对第一类金属电极的电极电势的影响。金属表面粗糙会使第一类金属电极的电极电势降低。
It be verified by two experiment in article that electric potential of first metal electrode be influenced by the surface smooth level of metal.
生物表面活性剂是由微生物产生的一类具有表面活性的生物化合物。
Biosurfactant is a kind of microbial compounds produced by microorganism that exhibited pronounced surface activity.
使用中的失效形式已不是疲劳剥落，大多是起始于表面损伤一类的故障。
The type of failure in operation is no longer the fatigue spall, but starts Witt the surface damage.
着重叙述了近年来开发的一类新型有机硅表面活性剂——氨基聚醚有机硅的制备方法。
The preparation methods of amino polyether organic silicone surfactants were summarized emphatically. The surfactants belongs to novel organ silicone surfactants exploited in recent years.
细胞粘附分子是一类重要的膜表面蛋白，参与机体多种生理功能。
Cell adhesion molecules (CAMs) are the key cellular molecules, which mediates many biologic actions such as cell-cell recognition, cell-matrix adhesion and in early vertebrate embryos.
细胞粘附分子是一类重要的膜表面蛋白，参与机体多种生理功能。
Cell adhesion molecules (CAMs) are the key cellular molecules, which mediates many biologic actions such as cell-cell recognition, cell-matrix adhesion and in early vertebrate embryos.
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