查询词典 optimum condition

The optimum condition of spectrofluorimetric determination of uranyl ion in pyridine 2,6 dicarboxylic acid β cydodextrin system is studied.

研究了吡啶 2 ，6 二羧酸β环状糊精体系荧光分光光度法测定铀酰离子的最佳条件以及某些稀土共存离子对荧光体系的干扰，并应用于人工样品的测定。

The Rhizopus delemar lipase catalyzed synthesis of isoamyl valerate in organic solvents was studied, and the optimum condition for the esterification was acquired.

德氏根霉菌经固态发酵生产脂肪酶，以此酶为催化剂，在非水介质中合成了正戊酸异戊酯。

Influences of reaction temperature, hydrogen pressure, space velocity and hydrogen/oil ratio were investigated and optimum condition was obtained.

研究了加氢精制的工艺条件，考察了反应温度、氢压、体积空速和氢油比对聚α-烯烃合成基础油加氢效果的影响，确定了最佳的加氢精制工艺。

The optimum condition of PWF prepared fromliquefied wood is: actual pH of liquefied wood without extra acid, 105℃, 150min and 0.7～0.8of ratio of formaldehyde to phenol.

木材液化产物制备PWF的适宜工艺参数为：pH为木材液化产物的实际值，温度105℃，时间150min，n∶n=0.7～0.8。

With egg yelk as raw material, extracted by aquiferous ethanol and aether, removing water and oil by acetone, we gain phospholipids mixture, and search the extracting conditions. The optimum condition is determined:extracting temperature (20 ), time (60mins), solvent (92%ethanol),solvent quantity (12 times of the yelk), at which yield is highest; using thinlayer chromatography to measure its component, the content of phosphatidylcholine extend to 68.2%.

本文以鸡蛋的卵黄为原料，采用含水乙醇与乙醚提取，通过丙酮脱水去油，得到粗品卵磷脂；并对提取条件进行了优化研究，结果表明：提取时间60分钟，用92％乙醇，加入含水乙醇是蛋黄重的12倍，在20℃时，卵磷脂收率最高；采用薄层扫描法定量检测，所得粗品卵磷脂的纯度高达68.2％。

For ferric nanoparticles, at the optimum condition of pH7.4 sodium cacodylate buffer solution, the detection limit of bovine serum albumin is 6.6ng/mL and the linear range locate in 0.02-0.70ug/mL.

纳米铁在最佳试验条件下，即pH7.4的二甲砷酸钠缓沖介质中，BSA测定的检测限为6.6ng/mL，线性范围为0.02～0.70μg/mL。

The optimum condition was determined via orthogonal experiments, and the result shows that the technology of bile extraction and purification adopts 10L chromato bar with 3L bile, gel silica as fixed phase, the mixed chloroform and isopropanol as mobile phase, gradient elution with mobile phase (the mobile phase ratio in extraction of cholalic acid and glycocholic acid is 4:1 , and then becomes 3:2 in extraction of glycocholic acid and glycocholic acid), and eluting velocity of 3～5mL/s .

采用正交试验筛选了柱层析最佳条件，以容积为10L的层析柱进行分离纯化，固定相为硅胶，流动相为氯仿和正丁醇混合溶剂，一次装样量3000mL胆汁，流动相采用梯度洗脱，先按4：1比例分离胆酸和甘氨胆酸，然后按3：2比例分离甘氨胆酸和牛磺胆酸，流动相洗脱速度为3～5mL/s。

A model used to simulating the deposit thickness overlapped by the deposit profiles of multiple circumrotate cycles was established. This model was applied to simulate the deposit thickness with different pitch of the deposit track, and the optimum condition of movement parameters was obtained under which homogeneous deposit surface can be prepared.

建立多旋转周期沉积轮廓叠加的单层沉积厚度模型，利用该模型在不同沉积轨迹螺距下，对沉积厚度进行计算仿真，获得保证均匀沉积面的运动参数优化条件。

The different factors affecting the percentage of re moving Crare investigated with orthogonal test, and the optimum condition of the experiment is studied.

通过正交试验确定了影响铬去除率因素的主次顺序以及提取铬的最佳实验条件。

Complete conversion for cyclopentene and high yield of 79.3% for glutaraldehyde are obtained over the W-HMS prepared with tungstic acid at optimum condition.

在n：n≥30时，催化剂能保持完好的HMS分子筛结构，W原子以嵌入HMS骨架的形式高度分散于载体内表面，构成催化活性中心。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。