Chitosan is the second polymer and its amount is only inferior to cellulose in nature, it is a good antimicrobial.
壳聚糖是自然界中产量仅次于纤维素的第二大天然高分子化合物，是一种高效的天然抗菌剂。
The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate.
第二种聚酰亚胺聚合物是芳香族四酸二氢化物与芳香族二异氰酸酯反应生成的。
In some embodiments, the first skin layer includes a mixture of a polyacrylate and a second polymer.
在一些实施方案中，所述第一表层包含由聚丙烯酸酯和第二聚合物构成的混合物。
Experiments show that photo-bleaching can damage the orientation stability of polarized molecules in organic polymer and cause its second order nonlinear effect to attenuate.
实验表明光漂白能破坏有机聚合物中极化分子的取向稳定性，造成其二阶非线性效应衰减。
Researches have been carried out in the second reservoir by physical modeling method to find out the formula weight of the polymer, injection rate, slug size and viscosity of the polymer solution.
通过物理模拟方法，研究杏北油田二类油层聚合物相对分子质量、注入速度、段塞大小、聚合物溶液黏度、不同注聚方式对驱油效果的影响。
Numerical simulation and core experiment show that wide molecule weight polymer is recommendable for polymer flooding in the second type reservoir.
数值模拟及岩心实验表明，二类油层聚合物驱油适宜采用宽分子量聚合物驱油，可以获得更好的聚合物驱油效果。
In the second stage, to ensure a high molecular weight polymer, enough reaction time is necessary.
在第二阶段，为了确保得到高分子量聚合物，需要足够的反应时间。
The insert comprises a first organic polymer and the over-molded outer component comprises a second organic polymer.
所述嵌件包括第一有机聚合物，所述重叠注塑的外部组件包括第二有机聚合物。
Hollow fiber NF membrane was prepared with blending of PVDF as the second component polymer and CTA, and by spinning process with gelation method.
以聚偏氟乙烯(PVDF)为第二组分聚合物与三醋酸纤维素(CTA)共混，通过冻胶法纺丝工艺制备成中空纤维纳滤膜。
Second, on the basis of the characterization of photoinduced anisotropy, polarization holographic recordings are accomplished in the azo-containing liquid crystalline polymer.
其次，在光致各向异性研究的基础上，完成了两种偶氮液晶聚合物薄膜中的偏振全息记录。
In view of the characteristics of reservoirs and status of waterflooding in the second part of Gudong oilfield, we are determined to have a study on feasibility of polymer flood.
针对二区油藏特点及水驱开发现状，决定开展聚合物驱可行性研究。
Because the packings on the second plate were blocked by polymer, water from the reflux pump condensed and entered into the bottom of the tower to cause the cavitation of the pump.
汽油分馏塔第二层塔填料堵塞，全塔气-液传热传质状况恶化，使水降至塔釜引起“暴釜”，最终导致急冷油泵气蚀不上量。
In the second part, rare earth polymer complex photochromic materials were synthesized and applied.
本论文第二部分对稀土配合物光致变色材料进行了合成及应用研究。
Lignin is the second natural polymer. The biodegradation of lignin is the key step of carbon recycling.
木质素是第二天然聚合物，木质素的降解是碳素循环中的关键一步。
The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate and through a one-step condensation reaction in organic solvent and under the action of catalyst.
第二种聚 酰亚胺聚合物是芳香族四酸二酐与芳香族二异氰酸酯，在有机溶剂中，在催化剂的作用下，一步法缩合反应制备得到；
Lignin, as the second abundant natural polymer, has many limits when it is applied because of its complex structure.
木质素是一种含量丰富的天然大分子材料，但由于其结构复杂，导致应用受到很大的限制。
The article analyses polymer and compares polymer to English words in pairs. Moreover, the article reveals polymer is very useful in teaching Chinese as a second language.
在现代汉语中运用聚合词构造同义句是特有的一种词汇变化的手段。
The third yarns and either the first yarns or the second yarns are made of a first polymer.
第三纱和第一纱或第二纱由第一聚合物制成。
The third yarns and either the first yarns or the second yarns are made of a first polymer.
第三纱和第一纱或第二纱由第一聚合物制成。
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