查询词典 optimum solution

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%。

Chapter 2 discusses the function of optimum array based on the minimum meansquared error principle in CDMA system, the method of produce the reference signal, and proved whether the reference signal is the correspond PN code sequence or respread signal, the result of the array's weight converge can converge the same optimum weight under the condition that the PN sequence in a bit of data is long enough. In this chapter, we finally get the beam pattern and the correlate bit error rate after converge when several CDMA signal arrives in different direction.

本文的主要贡献及创新之处是：首次从理论上探讨了基于最小均方误差准则的最优天线阵在CDMA系统中的多址干扰抑制性能及其参考信号的产生方法，证明了采用有用信号相应的扩频码作为参考信号与采用将解扩信息与扩频码进行重扩频后的信号作为参考信号来调节自适应天线的权值均可使权值收敛于同一最优解。

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℃。

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。

During the using study of handle of forceps and pancake turner this paper discovers that handle"s crooking is an important factor which affects product"s ergonomical performance and is helpful to improve the product"s usability, and that crooked angle of handle exists an optimum value, but the best crooked angle of handle of different product is different, if the optimum value is found the product"s using study should be done.

本文从镊子柄和锅铲柄的使用性研究中发现：手柄弯曲是影响产品人机工程学性能的一个重要因素，它对提高产品的可用性有着很重要的意义；手柄的弯曲还存在一个最佳角度。但是不同产品手柄的最佳弯曲角度是不相同的，倘若要获得某产品手柄的最佳弯曲角度，还必须进行该产品的使用性研究。

In transient cerebral ischemia and early reperfusion,the reason of blood-brain barrier opening was the addtion of plasma vesicle in brain capillary endothelial cell.

短暂脑缺血及再灌流早期血-脑脊液屏障通透性的改变，主要是由于内皮细胞中胞饮小泡数目增多所致。

About BIOTECHNICA BIOTECHNICA in Hannover/Germany, organized by Deutsche Messe AG, which was launched in 1985 and is now held biennially is Europe's flagship event for the biotechnology sector, being the largest trade fair event in Europe focussing exclusively on products, applications, and services used in research and processing of biotech products.

BIOTECHNICA Europe是世界顶级的生物技术展会，由德国汉诺威展览集团组织，在德国汉诺威市举办，有大约 850 – 1100 的国际展商参加，占地超过 25，000 平方米，每年都会吸引来自世界各地的超过12，000名的专家及学者。