查询词典 selenium

Xiphophorus helleri ; mercury ; selenium ; acute toxicity ; evaluation

剑尾鱼；汞；硒；联合毒性；评价

We produce the activity sodium humate containing elemental selenium, titanium, thorium, strontium, rare earth and other active substances, which is the other similar products do not have.

我们生产的活性腐植酸钠含有元素硒、钛、钍、锶、稀土等活性物质，这是一般同类产品所不具备的。

Thus, Chinese current standards include 12 heavy metals and harmful substances in apple, such as lead, cadmium, hydrargyrum, abio-arsenic, chrome, arsenic, selenium, copper, fluorine, rare earth, nitrite, nitrate, and also the residue limit of 56 pesticides.

至此，我国现行标准中，共包含了苹果中铅、镉、汞、无机砷、铬、砷、硒、铜、氟、稀土、亚硝酸盐、硝酸盐等12种重金属和有害物质以及56种农药的残留限量。

Objective: To establish the method of hydride generation-atomic fluorescence spectrometry for the determination of selenium in tea.

目的：建立茶叶中硒的氢化物发生原子荧光光谱测定方法。

Rats were killed after different weeks(0,1,2,4,8,12,15,17,19,20 and 24 respectively). Their organs were taken to observe the kinetic change of selenium concentration, the activities of intracellular glutathione peroxidase,extracellular glutathione peroxidase, and phospholipid hydroperoxide glutathione peroxidase in different organs.

于0、1、2、4、6、8、12、15、17、19、20和24周时处死大鼠取其组织，分别对各种组织中的硒、细胞内谷胱甘肽过氧化物酶、细胞外谷胱甘肽过氧化物酶、磷脂氢谷胱甘肽过氧化物酶、Ⅰ型脱碘酶和Ⅱ型脱碘酶活性进行动态观察。

Phospholipid hydroperoxide glutathione peroxidase ; Gene expression ; Antibodies ; Selenium

磷脂氢谷胱甘肽过氧化物酶；基因表达；抗体；硒

In currence, se- GSH- PX activity have been been used as a standard of Selenium nourishment, GSH- PX is an extremely important protection enzyme in anti oxida- tive defend system of organize and cell of animal.It clear hydroxy radical and hyperoxide in cell respir- ation metabolism reaction ,thereby, mai- ntain cell's normal physiological function, prote- ct biomembrane and biomacromolecule from oxidative damage.If the activity is high or not, effect the ab- ility that the organize clears hyperoxize lipi- d ,directly.

目前，含se-GSH-PX活性已被作为se营养状况可一个指标，该酶是动物组织细胞抗氧化防御系统中一个极为重要的保护性酶，它是以还原型GSH为底物的谷胱甘肽参与的过氧化反应，清除细胞呼吸代谢反应过程产生的羟自由基和过氧化物，从而使细胞能维持正常的生理功能，保护生物膜和生物大分子结构免受氧化损伤。

The research aimed to study the relationship of selenium element and As-1 hypha growth ability to provide the theory basis for high yield of edible fungus production.

［目的］探求硒元素与As-1菌丝的生长能力变化的关系，力求为食用菌种植业的高产提供理论依据。

Hypha growth ability in different medium with various nutritional ingredient and different contents of selenium was investigated.

方法］采用不同营养成分、不同硒含量的培养基培养茶树菇(As-1)菌丝，研究不同类型培养基菌丝生长能力。

This paper introduces briefly the original papers published on the speciation of selenium, arsenic and cadmium in bio-materials by the use of hyphenated techniques.

扼要介绍了近年来报导的有关联用技术应用於生物体中硒、砷和镉等化学形态的研究成果。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。