化学元素

It can cause a series of observation effects, such as star-spot activity, optical flare events, the uneven distribution of the chemical element abundances, stellar wind, the changes of the orbital period and the chromospherically activities.

它能引起一系列的观测效应，如光球表面的黑子活动、光学耀斑事件、化学元素丰度不均匀分布、星风、双星系统的轨道周期变化和色球活动等等。

Stoichiometry: Determination of the proportions (by weight or number of molecules) in which elements or compounds react with one another.

化学计量学：确定化学元素或化合物彼此反应的比例关系。你的身材可不是一个姑娘的身材。

Sulfur is one of the important chemical elements.

硫是重要的化学元素之一。

Of or relating to or containing the chemical element tellurium.

属于、关于或包含化学元素碲。

Bai Yue came up with the term of black-shell jade for the first time, in China Collection, January 2001, issue 37. Black-shell jade is heavy compared with its size, and is covered with blackish shell that has a look of iron cast. Under the shell it mainly consists of tremolite, which is rich in Liaohe River basin.

经过国家地质实验测试中心作了等离子质谱分析，其皮壳含有35种化学元素，但主要成分是氧化锰（与寒冷的内蒙古地区地质的主要化学成分相符）。

Native element: Any of the 19 chemical elements that occur as minerals and are found in nature uncombined with other elements.

自然元素：以自然状态存在于矿物中，不与其它元素结合的十九种化学元素。

An element such as carbon has several allotropic forms.

一种化学元素具有几种同素异形体，比如碳元素。

Other chemicals that are available are Apiin, apiol, bergaptein, myristicin, pinene, glycoside, camphor, petrocelinic acid, furanocumarine, iodine, and phosphorus.

还有其他例如芹黄苷，洋芹醚，香柑脑，肉豆蔻油醚，蒎烯，葡糖苷，莰酮，岩芹酸，香豆素，碘，磷等化学元素，这些都能蕴含在欧芹叶中。

Said cathode material is compound material consisting of copper and selenonium, especially having different chemical element proportional of copper - selenium compound: copper diselenide, copper selenide, cuprous selenide.

该阴极材料是由铜和硒组成的化合物材料，具体为含有不同化学元素比例的铜-硒化合物：二硒化铜、硒化铜、硒化亚铜。

To assess the sensitivity of local species to toxic chemicals relative to those from other jurisdictions reported in the literature, ecotoxicological testing was also performed on three local marine species, Dunaliella salina, Brachionus plicatilis, and Lutjanus malabaricus, using 12 representative PPTSL chemicals including metals, pesticides (endosulfan, diazinon, permethrin, atrazine, tributyltin), and industrial chemicals (di-n-octyl phthalate, nonylphenol, acenaphthene).

为了评估与其他相关成文规定的当地有毒化学品种类，生态毒性测试也在三个地方的海洋物种上进行，杜氏盐藻，轮虫和红鳍笛石斑鱼，使用了十二种pptsl代表的化学元素，包括金属，杀虫剂（硫丹，二嗪磷，氯菊酯，莠去津，三丁基锡），和工业化学品（苯二甲酸二正辛酯，壬基酚，苊）。

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。