查询词典 trace element

Vmutageniz, We gained a stain of Aspergillus niger S13 with high cellulase production, Further more we research on the optimum solid culture a wheat stem 70 % bran 30 %, nitrogen source is yeast extract 0.68%,(NH4)2SO4 0.35%, trace element 0.1%, Vogel's solution 4 %, pH3.5, temperature 30℃, cultivation time 72-96hr, With such condition, its β-glucosidas activity reached 801.18mg·glucose/g·h, CMCase activity 6262.46mg·glucose/g·h filter paper activity 20.73IU.

本文通过分离筛选和紫外诱变法，选充出一株高产纤维素酶黑曲霉菌株S13，并进行了最佳固态发酵培养条件的研究，其结果为：最佳碳源为1％碱洗麦杆粉70％，麸皮30％；另加酵母膏0.68％，(NH_4)_2SO_4 0 35％，微量元素0.1％，Vogel's母液4％，初始pH3.5培养温度30℃，培养时间为72～96 小时，在此条件下其β-葡萄糖苷酶活力达801.18mgG/h·g，CMC酶活6262.32mgG/h·g，滤纸酶活20.73IU。

Zana grape tube propagation ; improved B_5 culture medium ; single bud stem section ; trace element ; organic component ; hormone ; light ; temperature

乍娜试管繁殖；改良B_5培养基；单芽茎段；微量元素；有机成分；激素；光；温度

Objective To study on the relation between trace element in hair and hypertension.

目的 探讨原发性高血压与头发中微量元素的关系。

The method is simple, rapid and sensitive, and suitable for determination of trace element in urine.

该方法适用于尿液中微量元素的高通量、快速分析。

Zinc, an important trace element for healthy growth and development, can be related to pancreatic cancer.

锌作为健康生长和发育所需的一种重要的微量元素，与胰腺癌可能有关。

Objective To investigate the change of trace element in the serum of children with recurrent respiratory tract infection.

目的 探讨反复呼吸道感染患儿血清微量元素的含量及其比值的临床意义。

Objective: In order to probe into the change and significance of the trace element patients body of malignant tumor.

目的：为了探讨在恶性肿瘤患者体内微量元素含量的变化及意义。

There was great difference of trace element content in 10 kinds of routine vegetables.

结论］不同蔬菜中微量元素的含量差别较大。

Objective To investigate the concentrations of trace element in the lenses of cataract patients.

目的 探讨镍钴作业环境对白内障晶状体内微量元素含量的影响。

Objective To investigate the concentrations of trace element in the lenses of cataract patients.

目的探讨镍钴作业环境对白内障晶状体内微量元素含量的影响。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了