Under high dilution,the cross-coupling reactions of 4,5-dicyano-1,3-dithiol-2-one(6) and dithia crown-ether annulated tetrathiafulvalenes(3a~3c) in toluene gave asymmetrical dicyano tetrathiafulvalene derivatives(7a~7c) in the presence of triethyl phosphite.
在甲苯溶液中,在亚磷酸三乙酯存在下,采取高度稀释的方法,使4,5-二氰基-1,3-二硫杂环戊二烯-2-酮分别和多缩硫杂冠醚进行交叉偶联反应,成功地得到了不对称的2,3-二氰基四硫富瓦烯衍生物。
Application of gradient dilution method to the determination of phosphor in boiler water by reversed flow injection spectrophotometry;
梯度稀释用于流动注射光度法测定炉水中的磷
Gradient dilution determination of the unreacted Cu2+ in the supernatant solution by FIAAS was described.
本法基于在中性条件下,异烟肼与Cu2+定量形成难溶于水的配合物,经流动注射梯度稀释 AAS测定上清液中剩余的Cu2+的量间接测定异烟肼的含量。
The application of Spectrophotometer method to On-line monitor's development of six-price chromium was emphatically discussed, the influence of detected results under different conditions was analyzed and the gradient dilution technique was explored in the time delayed survey - flow injection in this paper, thereby the time delayed survey technique was applied to practice.
本文着重讨论了采用延时测量—流动注射分光光度法在线监测水中六价铬仪器的研制,分析了各种条件对于检测结果的影响;并且对流动注射中的梯度稀释技术进行了研究,从而使延时测量技术在流动注射测量中获得较好的应用。
Some methods to improve dilution near diffuser ports;
增大扩散器近区稀释度的若干措施的研究
Contrasted research on the dilution between laser cladding coat and built up welding coats;
激光熔覆与堆焊层成分稀释度的对比研究
The developments of the centerline velocity, concentration and dilution are calculated.
根据多孔射流发展规律,分析T型扩散器排放近区流态特性,运用笔者所研制的数学模型进行模拟计算,预报T型扩散器排放近区轴线流速、浓度及稀释度的沿程变化规律,得出了相对动量和扩散器长度是影响污染物横向扩散的主要因素。
a yellow dye that is visible even when highly diluted.
一种高度稀释后仍可见的黄色染料。
Desensitization is carried out by giving small doses of highly diluted antitoxin subcutaneously at first
脱敏,是通过给予小剂量高度稀释抗毒素皮下注射进行的。
The Research of Adopting S7-200 to Control the System of the Dilution of High Density Beer;
基于S7-200控制高浓度啤酒稀释配比系统的研究
Dilutions are not exactly the same.
稀释度并不是恰好相同。
Automatic control of dilution and mixture ratio of concentrated beer is one of the key techniques of beer dilution.
高浓度啤酒稀释混合配比自动控制系统是啤酒稀释的关键技术之一。
THE USE OF HIGH FLOW CARDIOPULMONARY BYPASS WITH EXTREME OR MEDIUM HAEMODILUTION IN PEDIATRIC SURGERY
高流量深、中度血液稀释体外循环在小儿中的应用
Using Kerosene Dilution (Densimeter) Method to Determine Foam Heavy Oil Density
煤油稀释(密度计)法测定泡沫稠油密度
A solvent with which paint is thinned to the proper consistency.
颜料溶解液,展色剂用以稀释颜料至合适浓度的稀释液
EPS of firm will be diluted with the use of ESOs and the degree of dilution has a positive correlation with stock price;
经理人股票期权会稀释企业每股收益,而稀释程度和股价成正比;
A dilute or weakened condition.
稀释稀释或变弱的状态
Media reports dubbed the annual thinning a hole in the ozone layer.
媒体报道称之为臭氧层年度稀释“空洞”。
There is no hard and fast rule about dilution.
至于稀释程度,没有严格的规定。
Probe into the Extreme Value of Ionicity and Dilution Law;
关于电离度的极值及稀释定律的探讨
The results show that there are higher grain grade and hardness,lower dilution and better performance of resistance to abrasion,wear and anti-erosion in the laser cladding layer.
激光熔覆层中的组织晶粒度和硬度高,稀释率低,抗摩擦磨损和抗腐蚀性能好;
APPROCHING THE HEMODILUTION OF NONCYANOSIC CHD IN HIGHLAND
高原非紫绀型先心病的血液稀释探讨
Based on the principles of fractional reduction and step dilution, when retrieving Cadmium from Cd dross, percentage purity of Cd powder can reach to 99.5%.
本文采用分步还原、梯级稀释理论从废镉渣中回收出了纯度高达99.5%的纯镉粉。
Measurement of the Activity Coefficients at Infinite Dilution and Their Relations with Temperature
无限稀释活度系数及其与温度间关系的测定
False– Tall mixed drinks are more highly diluted and therefore lower in alcohol potency.
错:混合饮料由于被稀释,因此酒精的浓度更低。
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