molecular 考研GRE六级

The high laevorotation of L-cystine depends on a specially helical structure of its molecular.

指出了L-胱氨酸高度的左性是由其分子的特殊构决定的。

The development trends of light stabilizer were obtaining stabilizers with high-efficiency,high molecular weight,multifunction and nontoxicity.

光稳定剂的发展趋势是高效、高分子量化、多功能化和无毒化。

Molecular recognition by use of metalloporphyrin as host molecules are reviewed.

综述了金属卟啉配合物的分子识别研究进展。

The studying targets involved in tissue shape,haemorheology,molecular basis,sero-immunity,bleeding and clotting mechanism,biochemical mediator,microelement,correlation factor of BVE.

研究指标包括组织形态、血液流变、分子基础、血清免疫、出血凝血机制、生化介质、微量元素、血管内皮关因子以及镇痛等。

The average molecular weight of polyoxytetramethylene glycol could be flexibly controlled by varying the...

未反应的四氢呋喃经适当处理后可以回收循环使用。

The relationship between molecular weight distribution of phospholipids reverse micell...

温度越高,磷脂反胶束的分子量越大,越有利于超滤脱胶的进行。

Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.

核能.核燃料循环技术.分子吸收分光光度法测定硝酸溶液中的镎Nuclear energy.

Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.

用冰点法，在苯溶液中对纯的物质进行了分子量测定。

High molecular weight PLA can be prepared by ring-opening polymerization of lactides.

高分子量的聚丙交酯主要由丙交酯开环聚合制备。

The research will provide direct insight into molecular mechanisms.

这项研究将使人能够直接地了解分子的机理。

Objective To discuss low molecular weight heparin sodium injection different part endermic bleeding conditions.

探讨海普宁不同部位皮下注射出血情况的比较及护理措施。

Using the modified analytic embedded-atom method (MAEAM), the molecular dynamics (MD) simulation was performed to study the premelting and melting behavior of (001) plane of niobium and tungsten.

摘要采用改进分析型嵌入原子方法(MAEAM)，对铌、钨晶体的(001)面预熔和熔化过程进行分子动力模拟。

Instead, their test tube was filled with some "contaminant": A high molecular weight polymer they would soon identify as the first actin-binding protein, later called filamin A.

另一方面，他们的试管充满了一些“污染物”：一种他们即将鉴别的，当于第一个肌动蛋白合蛋白的高分子质量的聚合物，后来被称为细丝蛋白A。

Because the distribution of molecular director was not affected by lamellar decorating after quench, chemical etching and SEM technique were used to reveal disclination and director patterns.

由于样品淬火后晶片装饰在织构上而不影响分子取向矢的分布,因而可以用化刻蚀和电镜技术揭示其向错和取向矢图。

Conclusion Cerebroprotein hydrolysate conta ins abundantly essential amino acid and small molecular peptid to human brain wi ch can inprove functional activation of human brain cells .

脑蛋白水解物富含人脑必须氨基酸及小分子肽，能改善脑细胞功能活性。

Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR，1HNMR，FAB-MS and elemental analysis.

首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物，并用IR、1HNMR、FAB-MS及元素分析对化合物构进行了鉴定。

Four isomers formed by a gold atom attached to a pentacene molecule were investigated by density functional theory due to their potential applications in molecular electronics.

用密度泛函理论研究了并五苯-金异构体的构、电子光谱和二阶非线性光性质。

The quantum chemical theoretic and experimental studies on the configuration,state of aggregation and carbocyanine molecular structure domino effect of its properties are introduced in this paper.

本文介绍了碳菁分子构型、聚集态及碳菁分子性质的构效应的量子化理论与实验研究情况,综述了国内外者对碳菁分子的量子化计算方法的研究进展。

Increasing biaxiality of molecular shape, the system will form a para-biaxial nematic phase at higher temperature.Decreasing temperature, the system will continuously enter into normal biaxial phase.

增加分子的双轴性，可使系统在较高温度下诱导出准双轴，降低温度，系统连续地进入双轴。

Mesoporous molecular sieves are of great academic and practical importance in heterocatalysis. In this review, we mainly summarized the progress made in its catalytic application.

中孔分子筛在多催化领域具有重要的理论研究和实际应用价值，综述了国内外的者在其催化应用方面所取得的进展。