查询词典 selenium

The MS showed that the ratio of relative abundance ratio of two main Se isotopes is about 2:1, which can give important information for identifying molecular or fragile ions of selenium.

所有化合物均可获得特徵质谱，表现出含单个硒原子的分子离子或碎片离子特徵峰簇，硒的两种主要同位素在峰簇中表现为主要峰M与(M-2)的相对丰度比约为2：1，可为鉴定含硒分子离子或碎片离子提供重要信息。

Deficiency of selenium in chicken decreases immunity of erythrocyte and the regulation of erythrocyte to the specific immunity, which includes the decrease of the phagocytic ability of phagocyte, the eliminating ability of circulatory immune complex, the ability of identifying organism, carrying antigen and the immune regulation effects in the activation course of T lymphocyte, B lymphocyte, NK cell alexin, which decreases immunity of organism.

雏鸡硒缺乏降低了红细胞免疫力；同时降低了红细胞对特异性免疫的调节作用，主要表现为降低了吞噬细胞的吞噬能力、清除循环免疫复合物能力、机体识别和携带抗原能力以及对T、B淋巴细胞、NK细胞补体的活化过程的免疫调节作用，结果使机体免疫力下降。

These results also suggested that the accumulation of selenium by this alga was firmly relative to algal life activities.

事实说明了藻细胞对硒的累积与它的生命活动密切相关的。

OBJECTIVE:To study the effects of selenium and allitridi on the antioxidant function of heart and blood composition in alloxan diabetic mice.

目的：观察亚硒酸钠、大蒜素及其合并用药对糖尿病小鼠心脏抗氧化功能及血液成分改变的保护作用。

Results:(1)Dietary selenium might inhibit the formation of aneuploid cells in Wistar rats glandular stom-ach.

结果：(1硒能抑制MNNG所致大鼠腺胃粘膜细胞异倍体的形成。

Our formula is all-natural, with a blend of annatto seed oil and palm fruit oil, plus selenium, which works to boost the antioxidant benefits of vitamin E.

我们的配方是纯天然的，添加红木籽油，棕榈果油和元素硒，硒元素能够更好地促进维他命的抗氧化作用。

Selenium-dependent (glutathione peroxidases and thioredoxin reductases ) and selenium-independent (superoxide dismutases and catalase ) enzyme systems regulate cellular ROS steady state leels.

硒依赖性酶（谷胱苷肽过氧化物酶和硫氧还蛋白还原酶及非硒依赖性酶（超氧化物歧化酶和过氧化氢酶）系统共同调节使细胞内ROS处于稳态。

The selenium contents in soils from Paleozoic Basalt and Red Earth Area of Carbonzte have the highest value. The selenium contents in soils from multi-Yellow-Red Earth, Purple Earth Clastic Yellow-Red earth and metamorphite red soil are lower than average value in China.

在各土壤类别中，玄武岩红壤和碳酸盐岩红壤，硒平均含量最高，而多源黄红壤、紫色土、碎屑岩黄红壤和变质岩赤红壤硒的平均含量均低于全国硒的背景值。

Selenium is an active center of many enzymes essential trace element selenium in the human body.

硒是多种酶的活性中心硒是人体必需的微量元素。

To improve the safety of smoking, we have developed a Virginia type cigarette of low tar, low free radicals and rich selenium A variety of techniques were adopted in our research work These techniques include adding catalysts which can speed up the decomposition of organic compounds and reduce the products of dry distillation, applying combustion\|supporting agents to cut tobacco to raise the temperature of burning zone and accelerate the speed of combustion, combining rich selenium tobacco in cigarett...

在研制过程中，利用一系列工艺技术，如选择能够促进有机化合物裂解、减少干馏物形成的催化剂添加到卷烟烟丝中来降低焦油释放量；选择能够提高燃烧锥温度和燃烧速率的助燃剂；添加高效能的自由基捕获剂来捕获卷烟燃烧过程中产生的自由基；在叶组配方中使用一定量的富硒烟叶等。

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。