查询词典 selenium

A brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold.

一种脆的、银白色非金属元素，与硒和硫有关联，用于合金及作半导体，主要作为碲化物存在于铜、镍、银、金矿石中。注意，注意力集中

There are differences between Se and Se for plant accumulation and tr anslocation, and it is considered that these differences can be atribu ted to the causes such as reductive assimilation velocity differences between selenium speciates, etc.

Se与Se的吸收量及在根茎之间的分配与运转不同，认为这是由于Se与Se在植物体内的还原同化速度不同等原因造成的。

Selenium dioxide;selenous acid anhydride ...

化工产品物性辞典

Alkyl balides react with sodium borohydride and selenium in the presence of solid sodium hydroxide to give dialkyl selenides in excellent yields.

在固体氢氧化钠存在下，卤代烃及用氢化钠与硒粉作用，在乙醇溶液中制得二烃基硒醚。

The secondary native selenium was discovered in the Yutangba Se deposit,western Hubei Province,China,which is one of rare selenides in the world.

在湖北渔塘坝硒矿床氧化矿石及地表松散堆积物中存在大量罕见的次生自然硒。

Selenium; Se Grignard Reagent; Organic selenides; symmetry selenides; unsymmetry selenides; synthesis

工程科技I，化学，有机化学硒；硒格氏试剂；有机硒化合物；对称硒醚；不对称硒醚；合成

Some of the other minerals found in this supplement include boron, chromium, cobalt, cesium, copper, he fluoride, gold, iodine, lithium, manganese, molybdenum, nickel, potassium sodium chloride, phosphorus, selenium, silicon, sulfur, vanadium, and zinc.

其他一些矿物的发现，在这方面的补充，包括硼，铬，钴，铯，铜，他氟化物，黄金，碘，锂，锰，钼，镍，钾，氯化钠，磷，硒，硅，硫，钒，和锌。

Its electrical conductivity increases when light strikes it, and it can convert light directly into electricity, so selenium is used in photocells (e.g., in light meters and security alarms), solar cells, and photocopier s.

当受到光照时，它的电导率增加，可以将光直接转换成电，所以硒被用于光电管、太阳电池以及测光计。

Its electrical conductivity increases when light strikes it, and it can convert light directly into electricity, so selenium is used in photocells (e.g., in light meters and security alarms), solar cells, and photocopiers.

当受到光照时，它的电导率增加，可以将光直接转换成电，所以硒被用于光电管、太阳电池以及测光计。

Its electrical conductivity increases when light strikes it, and it can convert light directly into electricity, so selenium is used in photocells (e.g., in light meters and security alarm s), solar cells, and photocopiers.

当受到光照时，它的电导率增加，可以将光直接转换成电，所以硒被用于光电管、太阳电池以及测光计。

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。