查询词典 optimum condition

The toxicity of soil artificially contaminated by heavy metals was assessed with Photobacterium phosphoreum.The results showed that the duration of optimum balance was 24 hours, and that of optimum extraction was 2 hours.

应用明亮发光杆菌T3对重金属污染土壤的毒性进行诊断，确定了实验室中采用人为定量投加污染物的情况下，土壤的最佳平衡时间为 2 4h ，最佳浸提时间为 2h ，最佳浸提剂为 0 。1mol·L-1Hcl。

Through measuring the solubility,stability and hydrolyzation property,the effect of additives on the characteristics of concentrated aqueous reactive blue P-3R was investigated. The results showed that among the four kinds of organic solvents,N-methyl pyrrolidone was the best one and its optimum dosage 10%. Na_ 2 HPO_ 4 /NaH_ 2 PO_ 4 was a better buffer and its optimum dosage was 3%.

通过对液态染料溶解性、稳定性、耐水解程度等的测试，综合考察了添加剂的种类及用量对高浓度液态活性艳蓝P-3R性能的影响，结果表明在所考察的四种有机共溶剂中，N-甲基吡咯烷酮的效果最好，且其最佳用量为10%；缓冲溶液中Na2HPO4/NaH2PO4的效果较好，最佳用量为3%。

Soluble immobilized papain can fully solubilize above the pH 5.5.The optimum pH range of papain was narrow,and its optimum temperature and Km value were all

可溶性固定化木瓜蛋白酶能够在pH5.5以上的溶液中完全溶解，最适作用pH值范围变窄，最适作用温度和Km值升高；热稳定性和酸碱稳定性均明显增强。

Soluble immobilized papain can fully solubilize above the pH 5.5.The optimum pH range of papain was narrow,and its optimum temperature and Km value were all higher than before.Its thermodynamtic stability and the acid-base stability were also strengthened.

可溶性固定化木瓜蛋白酶能够在pH5.5以上的溶液中完全溶解，最适作用pH值范围变窄，最适作用温度和Km值升高；热稳定性和酸碱稳定性均明显增强。

The serum selenium is first digested by microwave treatment and then chemically purified before analysis by using sulphydryl cotton. The optimum conditions were found to b as follows:(1) The sulphydryl cotton column is prewashed with 5 mol/L hydrochloric acid;(2) Se is desorbed by adding 1 mL of concentrated nitric acid and (3) the optimum amount of sulphydryl cotton is 0.14 g. This preconcentration step is required in order to remove matrix-interfering elements, such as Na, Mg, K and Ca.

采用微波消解－巯基棉分离对人血清样品进行前处理，通过对巯基棉分离血清中硒的条件优化，结果表明，柱条件为5mol/L HCl、解脱Se条件为1mL重蒸HNO3、巯基棉最佳用量为0.14g时，能够有效分离出人血清样品中的Na、Mg、K、Ca等碱金属和碱土金属，同时硒的回收率最高，达到92%以上。

The researching content was as follows: 1. When AlClx/HY zeolite be used as catalyst, the effects of the ratio of 2-methylnaphthalene to tetramethyl benzene, catalyst concentration, reaction temperature and reaction time on the conversion (based on 2-methylnaphthalene), yield and selectivity (both based on 2,6-DMN) were discussed. In addition, by orthogonal experiment, the optimum reaction conditions were determined at the same time. The optimum reaction conditions : the molar ratio of 2-methylnaphthalene and tetramethyl benzene =1:1, reaction temperature was 400℃.

具体研究如下： 1、以AlClx/HY型分子筛为催化剂，研究原料配比(2-甲基萘与均四甲苯的摩尔比)、反应温度和反应时间对2-甲基萘的转化率、目的产物2，6-DMN的收率和选择性的影响，并通过正交实验确定了该催化剂体系下的最佳反应条件为：原料的摩尔比为(2-甲基萘：均四甲苯)=1：1，反应质量空速为6h-1，反应温度为400℃。

The optimum conditions were achieved and demonstrated as follows: ethanol solution (volume fraction as 60 %) as extraction solution, the ratio of materials to solution as 1:20, microwave power as 600 W and 2 mm extraction time. By the optimum conditions, the yield (83.7%) of flavone from Trollius chinensis Bunge was obtained at 83.7%.

实验结果表明：微波辅助提取金莲花黄酮的最佳工艺条件是体积分数60%乙醇为溶剂，每克料浸提剂体积为20mL，微波功率600W，温度60℃，提取时间2min。

These skills allow him to use the viticultural 'strengths' of an area to create the optimum quality wine at the optimum cost.

这些技能使他能够使用葡萄种植作为优势，以最佳成本生产出最佳的优质葡萄酒。

The results showed that the optimum concentration of five important components i.e. Tag DNA polymerase, Mg2+, primer, template DNA and dNTPs in 25μL RAPD reaction system were 1.0u, 2.5mM, 20ng, 40ng and 0.2mM, respectively. The RAPD fingerprinting of five Japanese plum cultivars were established by using optimum reaction system with ten random primers.

结果表明：1、改良陈大明法是提取中国李叶片基因组DNA的适宜方法。2、以5′-GACCGCTTGT-3′为随机引物，建立了优化的中国李RAPD反应分析体系：25μL反应体系中，Taq酶、Mg~(2+)、引物、模板DNA和dNTPs 5种主要成分的适宜浓度或用量分别是：1.0u、2.5mmol·L~(-1)、20ng、40ng和0.2mmol·L~(-1)。

The ISSR fingerprinting of 18 Japanese plum cultivars and 12 plum species or variety were established by using optimum system with primer 5"-9T-3"and 5"-9C-3", respectively. The identification rate of plum cultivars and species or variety was 100%. The effects of five important components on reaction of SSR were studied with Prunus salicina cv. Meilili. The results showed that the optimum concentration of five important components i.e. Tag DNA polymerase, Mg +, single primer, template DNA and dNTPs in 25 μL reaction system of SSR were 1.5u, 2.0mM, 0.8 μ M, 30~40ng and 0.16~0.24mM, respectively. The dendrograms of these cultivars was contructed according the Jaccard coefficient of similarity.

利用该优化体系，以5′-_9T-3′为引物，构建了中国李18个品种的ISSR指纹图谱，该引物可将这些品种完全区别开来；以5′-_9C-3′为引物，构建了李属6类种质资源的ISSR指纹图谱，该引物区分率为100％。4、中国李品种适宜的SSR反应分析体系是：25μL SSR反应体系中，Taq DNA聚合酶、Mg~(2+)、每个引物、模板DNA和dNTPs等5种成分的适宜浓度分别是：1.5u、2.0mmol·L~(-1)、0.8μmol·L~(-1)、30～40ng和0.16～0.24mmol·L~(-1)。5、采用RAPD、ISSR和SSR等三种分子标记技术对中国李品种资源54份和2个欧洲李品种进行了遗传多样性分析，并以品种间的遗传相似系数构建了Jaccard聚类树状图。

Dixie itself is a nickname for the American South.

Dixie 本身是美国南部的别称。

I think John Terry epitomises that and a big reaction is what we will be looking for.

而我认为特里就是这样一个典型，他正是我们期望看到的那个领秀。