查询词典 molecular

molecular distillation, separation, average free path of molecular movement

当两分子离得较远时，分子之间的作用力表现为吸引力，但当两分子接近到一

The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20～1000重量百分比计20～100％的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型；再经过0.1～3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1～8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20～90℃下处理1～8小时；然后在温度为400～700℃条件下水蒸汽处理2～15小时；再用0.1～3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20～90℃条件下浸渍2～5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题，可用于甲醇转化制丙烯的工业生产中。

Existing within Applied Plant Science are a wide range of research groups and laboratories: Pest Molecular Biology, Nematology, Molecular Plant Pathology, Soil Zoology, Plant pathology, Entomology, Plant Microbiology, Tissue culture and transformation, Plant Physiology, Biopolymers.

拥有广泛应用植物科学研究团体和实验室：有害物分子生物学，线虫学，分子植物病理学，土壤动物学，植物病理学，昆虫学，种植微生物学，组织培养和变形，植物生理学，生物高聚物。

In recent years the advance in molecular biology makes uspossible to realize the molecular bases of neoplasia.

近年来分子生物学的飞速发展使人们认识到癌发生的分子学基础。

Two methods, including high performance gel permeation chromatography and gelatin nephelometry,are used to investigate the stability of marine sulfated polysaccharide 916 by lysozyme and trypsin, and weight average molecular, molecular weight distribution and dissociative sulfate content of 916 are determined.

利用高效凝胶渗透色谱法和明胶比浊法研究了海洋硫酸多糖 916在溶菌酶和胰蛋白酶作用下的稳定性，分别考察了酶作用下 916的重均分子量、分子量分布系数和游离硫酸根含量的变化。

Relationship betWeen the molecular connectivity indices and adsorption coefficient of nonpolar organic compounds was investigated based on molecular topology.

根据分子拓扑理论，研究了分子连接性指数与有机污染物吸附系数的关系。

The attraction force is different from three Van der Waals forces, it exists in any combination of polar molecular and nonpolar molecular.

这种吸引力不同于已知的三种范德华力，又存在于极性分子和非极性分子的各种组合中。

Its postgraduate research units include Molecular Biology and Pharmacology, Biochemistry of Nucleoprotein Complexes, and Molecular Veterinary Medicine etc.

该大学的研究生研究单位包括：分子生物学与药理学，核蛋白复合物的生物化学，和分子兽医学等。

The analysis predicts the oscillations of the energy gap, Eg, with tube length as well as the square of the module of wave function ｜φ｜2 along the tube axis for the highest occupied molecular orbital state and the lowest unoccupied molecular orbital state.

此方法计算得到的波函数模的平方与利用四轨道紧束缚方法计算碳纳米管体系所得的结果，在形状以及量值方面吻合得很好。

PE-RT is referred to as the Polyethylene Raised Temperature, it is by the ethylene monomer and 1 - octene copolymer from monomers is specifically designed for the heating system of medium-density ethylene - octene copolymer, which has a narrow molecular weight distribution , octene uniformly distributed in the polymer main chain on the special molecular structure, it retained the original PE performance and processing properties of the health advantages, but also strengthen the durability of a new type of high-temperature resin pipe.

PE-RT是Polyethylene Raised Temperature的简称，它是由乙烯单体和1-辛烯单体共聚而成的，是专门为采暖系统而设计的中密度乙烯－辛烯共聚物，其具有分子量分布狭窄，辛烯均匀分布在聚合物主链上的特殊分子结构，它既保留PE原有的卫生性能及加工性能等优点，又强化了高温耐久性的一种新型管材专用料。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。