查询词典 aqueous

In this research, two derivatives of the dipeptide Ala-Phe were synthesized in frozen aqueous systems in the yield of 95% and 89%, while the yields were 20% and 16% in aqueous solutions at room temperature.

在-20℃，两个Ala-Phe衍生物的合成产率可分别达到95%和89%；而在25℃，相应的肽合成产率则分别为20%和16%。

In basic aqueous system, large single crystal of 〓and 〓 were obtained, it wasthe first time that the double salt 〓 was synthesizedfrom aqueous solution.

在碱性条件下，首次合成了以质子化的有机胺为阳离子的无水偏钒酸盐单晶〓；首次以水热法合成了无水偏钒酸盐复盐〓单晶。

Concentration of estrone (E1) firstly increase and then decrease slowly until to vanish from aqueous phase; Under anaerobic condition, 4% of E2 still be in aqueous phase after 96 h of reaction.

研究了湖泊底泥微生物在好氧、厌氧环境条件下对17β-雌二醇（17β-estradiol， E2）的生物降解特性，探讨了其相应地生物代谢机制。

The ET reactions between ferrocene cation in DCE solution and ferrocyanide in aqueous solution, 7, 7, 8, 8-tetracyanoquinodimenthane radical anion in organic solution and ferricyanide in aqueous solution have been investigated on SECM controlled by the externally polarized potential.

以铁氰化钾/亚铁氰化钾为电对研究了亚铁氰化钾与二茂铁阳离子之间的电子转移反应以及铁氰化钾与TCNQ阴离子自由基之间的电子转移反应。

The technique of membrane filtration is used whenever the nature of the product permits; that is, for filterable aqueous preparations, for alcoholic or oily preparations, and for preparations miscible with, or soluble in, aqueous or oily solvents, provided these solvents do not have an antimicrobial effect in the conditions of the test.

只要该产品的性质许可，就应使用膜过滤法；这些性质是，可过滤的水溶性配制品、酒精或油性配制品、易混合或溶解于水或油性溶剂的配制品，只要这些溶剂在试验条件下没有抗生素效果。

A series of reactions may occur when the nitrous acid and naphthalene inside the atmospheric aqueous phases is exposed to sunlight. This article devotes to investigating from a microscopic angle the reaction mechanism and kinetics of this system using laser flash photolysis technique with an excitation wavelength of 355nm. The main research results are listed as below:(1) The OH quantum yield FOH for the photolysis of HNO2 in the aqueous phase was determined to be 0.234 and the absorption spectrum of OH radical was recorded as well.

本文以激光闪光光解为主要研究手段，考察了大气液滴中的HNO2及HNO2+萘体系经355nm紫外光照射后发生的微观反应及其机理，结果表明：(1)液滴中的HNO2经355nm光照产生OH自由基的量子产额为FOH=0.234；以瞬态技术记录了水相中的OH自由基的吸收光谱。

In order to know more about the microcosmic structure of the important biochemical model molecule formamide in aqueous solution, the Optimized Potentials for Liquid Simulations-All Atom model were used in the molecular dynamics simulation for the aqueous solution of FM in the whole concentration range. The radial distribution functions of the solutions were obtained. The interaction between water molecule and FM molecule was analyzed and calculated.

为了解重要的生化模型甲酰胺在水溶液中的微观结构，采用全原子力场在全浓度范围内对甲酰胺溶液进行了分子动力学模拟，得到了溶液的径向分布函数，分析计算了溶质和溶剂分子间的相互作用，对甲酰胺和水分子的氢键缔合情况进行了分析。

Single factor test was employed to investigate some factors effecting the compressive strength of hydratedα-plaster of Paris which was made by Aqueous Salt Solution Method in atmospheric pressure such as crystal modifiers,aqueous salt solution,emperature of water to washα-hemihydrate gypsum powder,product drying temperature,product grain size.

采用单因素实验考察了媒晶剂、盐介质、洗涤水温度、产品干燥温度、产品粒度等因素对常压盐溶液法制备α-半水石膏的抗压强度的影响，实验结果表明：当媒晶剂为柠檬酸钠与Al3 +等的复合物(占盐溶液的质量百分比为1.0 %)、盐介质为15 %的KCl水溶液、洗涤水温度在98℃以上、产品干燥温度为110 - 130℃、产品粒度控制在7- 4 μm时，产品抗压强度可达4 4MPa

Outside the drug would depend on the status of the skin, water erosion or swelling, the use of 2% boric acid aqueous solution or aqueous solution of 0.1 lei佛奴Hydropathic, exudate and erosion after the disappearance of topical corticosteroid preparations, such as eczema cream, Qushi oil, cream, etc.

外用药要视皮肤病变状态而定，出水糜烂或红肿时，用2％硼酸水溶液或0.1雷佛奴水溶液湿敷，渗液与糜烂消失后，外用皮质类固醇激素制剂，如湿疹霜、祛湿油、肤轻松霜等。

Systematic isopiestic measurements have been carried out at the temperature 298.15K for the mixed nonelectrolyte aqueous solution saturated with an electrolyte {water (A1)+cadmium chloride〓(A2)+sorbitol +sucrose} and the mixed electrolyte aqueous solution saturated with another electrolyte {water (A1)+barium chloride〓(A2)+sodium chloride +ammonium chloride}, taking sodium chloride or calcium chloride as the reference standard.

以NaCl或CaCl〓为参考物，系统地测定了298.15K时一种电解质饱和的混合非电解质溶液{H〓O(A1)+CdCl〓(A2)+山梨醇+蔗糖}和一种电解质饱和的混合电解质溶液{H〓O(A1)+BaCl〓(A2)+NaCl+NH〓Cl}的等压平衡。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。