1) initial enrichment
初次浓集
2) initial enrichment
(燃料)初始富集度,初始浓缩度
3) Concentration
[英][,kɔnsn'treɪʃn] [美]['kɑnsṇ'treʃən]
浓集
1.
Concentration and Purifcation of Gametocytes of Leucocytozoon caulleayi by Density Gradient Centrifugation;
卡氏住白细胞虫配子体的浓集和纯化
2.
Loading and concentration of uranium from alkali leaching solution of uranium ore with titanium sulfate gel are studied.
研究了用硫酸钛凝胶从铀矿石的碱浸出液中载带浓集铀。
3.
The concentration factors(CFs) and the distribution of 90 Sr in two kinds of fresh water gastropod, Ampullaria gigus Spix and Bellarnya purificata A Gigas were studied.
本文报道了两种淡水腹足类动物对90 Sr的浓集与分布的过程 ,大瓶螺 (Am pullariagigasSpix) 4h开始便迅速浓集90 Sr并转至螺体各个部位 ,小个体各器官组织对90 Sr的浓集系数大于大个体 ,刚孵化的幼螺在 1 5min内便对90 Sr有浓集作用 ,并随时间的延长而增加。
4) initial concentration
初始浓度
1.
The influences of the initial concentration,humus and brine on hydrolysis of bispyribac-sodium were studied.
采用室内实验方法,研究了农药的初始浓度以及水中存在的腐植酸、盐类物质对双草醚钠盐水解作用的影响。
2.
In this experiment,we applied the purified Bt protein into soil to simulate the degradation of Bt protein in soil under natural conditons and study the effect of sterilization,temperature,pH,initial concentration on the degradation of Bt protein by ELISA for the sake of providing scientific basis for the evaluation of eco-environment risks caused by transgenic Bt crops.
本文将纯化的Bt蛋白直接加入土壤中,模拟自然状态下Bt蛋白在土壤中的降解,利用ELISA检测法,研究灭菌、温度、pH、初始浓度等对其降解的影响,以期为评价转Bt基因作物释放可能引起的生态环境风险提供科学依据。
5) initial sugar concentration
初糖浓度
1.
When 7% of the initial sugar concentration (w/v) decreased to 1%~2%, the sugar content in the culture was controlled at this level (1%~2%) by intermittent constant speed feeding (on the average of 23 g/L·h) throughout the fermentation.
采用间歇恒速补料方式 ,当初糖浓度由 7%下降至 1 %~ 2 % ,补糖为 2 3g/L·h ,整个发酵过程糖浓度一直维持在 2 % ,μ、x值都提高 ,qp 为最大 ;L -亮氨酸产率达 1 7。
6) initial concentration
初浓度
补充资料:斑点再浓集
分子式:
CAS号:
性质:指在薄层色谱中,展开的样品斑点直径变小的现象。采用同样的展开剂,同一展开方向,同样展开距离的单向多次展开方法,可使斑点再浓集的现象反复发生,经单向n次展开后,斑点即浓集为原斑点直径的(1-Rf)n倍。程序控制多次展开(PMD)也是采用同样的展开剂,同一展开方向,但展开距离逐次加大。上述两种方法可使斑点浓集至直径1~2mm。但要注意浓集效果与样品载量及薄层质量密切相关。
CAS号:
性质:指在薄层色谱中,展开的样品斑点直径变小的现象。采用同样的展开剂,同一展开方向,同样展开距离的单向多次展开方法,可使斑点再浓集的现象反复发生,经单向n次展开后,斑点即浓集为原斑点直径的(1-Rf)n倍。程序控制多次展开(PMD)也是采用同样的展开剂,同一展开方向,但展开距离逐次加大。上述两种方法可使斑点浓集至直径1~2mm。但要注意浓集效果与样品载量及薄层质量密切相关。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条