查询词典 selectivity

The effect and selectivity of ten kind of herbicide were studied in laboratory bioassay and field experiment.

试验通过使它隆、快灭灵和双酯灵等10种除草剂对该物种的毒力和选择性测定分析，研究了土大黄不同生育期对除草剂的敏感性和应用后不同时期的中毒情况。

Though scu--PA has some selectivtiy for fibrin and better specificity for throm- bosis in experimental animals, its selectivity for fibrin in human bodies was not as good as has been expected. Bleedings still remained when it is used in large doses.

虽然尿激酶原具有一定的纤维蛋白选择性，在实验动物体内具有较高的血栓特异性，但在人体内的纤维蛋白选择性却不如预期的那样好，大剂量使用时仍有出血的危险。

Results The results presented the excellent selectivity of organophosphorus and carbamates.

结果 对有机磷和氨基甲酸酯农药有较好的选择性，最低检出浓度为0.1μ g · mL-1。

At 175 ℃ and 5.0 MPa, the oxidative carbonylation of aniline to the corresponding carbamates over these catalysts could be proceeded with a high conversion(96%), selectivity(99%) and 532 for TOF was achieved.

金催化剂作为一种新型的催化材料正日益引起人们的重视。

It is now generally accepted that interactions between ligand-receptor complexes and cofactors are essential for AR function, selectivity, sensitivity, and may contribute to the progression of prostate cancer.

我们应用PKC激动剂PMA对AR进行的研究表明，PMA对野生型AR和AR突变体均有基本相同的配体依赖性转录激活作用，并且还与DHT一起，对野生型AR及AR突变体的转录激活起协同的作用。

To improve the sensitivity and selectivity, some novel and simple methods for the assay of drugs have been established in my master paper.Spectrophotometric determination of procaine hydrochloride, ampicillin sodium and dapsone is disscussed.

本文主要以提高灵敏度和选择性为目的，在建立简捷的药物分析方法方面开展了一系列的研究工作。

Seventeen resins were selected to compare their performances in adsorbing and desorbing monosubstituent in the mixture. Experimental results showed that HZ-841 resin possessed higher selectivity and desorption capacity.

比较了17种树脂对β-环糊精单甲苯磺酰化产物的吸附特性，确定了大孔弱极性吸附树脂HZ-841对单取代物具有较高的吸附选择性和良好的脱附性能。

Bacillus cereus, a ubiquitous contaminant in food, can cause diarrhoeal and emetic types of food poisoning. The selectivity of several media for B.

蜡样芽胞杆菌(Bacillus cereus， Bc)是常见的食品污染菌，能导致呕吐和腹泻型两种不同类型的食物中毒。

Improved yield and selectivity are observed while applying this technology on diazo- coupling reactions.

该技术在重氮化、偶合反应中的应用，取得了高于常规反应器的收率和纯度。

A method was developed for synthesis of DBP catalyzed with non-proton acid and the result showed that aluminum oxide can be used to synthesize dibutyl phthalate characterized with high reaction activity,good selectivity and high rate of conversion,but less environmental pollution.

通过研究非质子酸催化合成增塑剂邻苯二甲酸二丁酯的方法，探讨了合成的最佳工艺条件。实验结果表明，Al2O3催化酯化合成邻苯二甲酸二丁酯具有反应时间短、反应活性和选择性好、产率高、无环境污染等优点、是理想的合成DBP的催化剂。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。