高分子

We add water-soluble polymer to the injecting water and enhance the viscosity of solution, so we can reduce the gap of viscosity between raw oil and injecting water and enhance the fluidity rate and the sweep efficiency.

聚合物驱油主要是在注入水中加入一定浓度的水溶性高分子聚合物以增加溶液的粘度，减小油水粘度差，改善流度比，扩大波及系数，以提高原油采收率。

Laser Raman spectral technique is an important section in modern laser spectral techniques. Laser Raman spectrum plays an important role on the aspects of analyzing molecular structure, symmetry properties of crystal, investigating solid structure phase-variation and the structure of IR spectrum of molecule. In recent years,it has been extensively applied in many research fields such as organic and inorganic analytical chemistry, biochemistry, petrochemical industry, macromolecule chemistry ,etc.

激光喇曼光谱技术是现代激光光谱技术中的一个重要组成部分，激光喇曼光谱对于确定分子结构和晶体的对称性、研究各种固体结构相变及红外光谱结构分析等方面具有重要作用，近些年来已经广泛地应用于有机和无机分析化学、生物化学、石油化工、高分子化学等领域。

The fractal dimension of the aggregates was calculated to be 1. 79±0.05, which was much large than that of Florry 5/3. The main reason was that stereocomplex lead to tight tanglement and interpenetration between polymer chains.

其分形维数为1.79±0.05，它比Florry维数5／3大许多，这主要是因为立构复合结构使高分子链之间发生紧密的缠结和渗透。

Large strain tensile properties of Polycarbonate/ acrylonitrile butadiene styrene polymer were experimentally investigated at different environmental temperatures in this paper.

本文对聚碳酸酯和丙烯腈丁二烯苯乙烯的合金高分子材料不同环境温度下的拉伸性能进行了试验研究。

Fluorescence experiment indicated that the characteristic emission intensity of terbium ion was greatly increased and possibly sensitized by gadolinium ion.

铕聚 N 乙烯基乙酰胺是一种无毒、生理相容性好的聚酰胺类高分子，可溶于水和有机溶剂，无低临界溶解温度[3]。

CoCr_2O_4 nanocrystals with an average grain size about 12nm have been synthesized by thermolysis of polymer-metal complex in vacuum and subsequent oxidation in air.

通过高分子金属络合物热解法制备了CoCr2O4纳米晶，并对它的表面微结构和磁性能进行了表征。

The results shows that the particle size of the microencapsulated APP was uniformity and compact and its thermostability was improved.

随着人们环保意识的加强和相应法制法规的健全，无卤阻燃高分子材料的呼声也越

The influence of polymer on the properties of TiO〓 was also investigated.

同时，在此工作的基础上，还研究了高分子聚合物对TiO〓纳米粒子后处理过程、再分散特性以及光催化活性的影响。

The viscosity properties test results showed that the viscosity of synthesized functional polymer is 200 mPas in simulated-brine (total mineralization degree=4 756 mg/L), when the temperature is 45 and the concentration of 1 500 mg/L.

研究结果发现，45℃下1 500 mg/L的自制功能高分子在矿化度为4 756 mg/L的模拟水溶液中，粘度仍可以达到200 mPas。

Isoamyl acetate was synthesized by urushiol resin immobilized ferric trichloride catalyst in this paper.

用漆酚树脂固载化三氯化铁高分子催化剂合成醋酸异戊酯，对催化剂进行了红外光谱表征。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。