查询词典 the atom

Two novel well-defined star-graft copolymers with poly as main chain are successfully prepared by combination of anionic and atom transfer radical polymerization. Anionic copolymerized 2,5-epoxypropyl-1-ethoxyethyl ether with EO by initiation of mixture of diphenylmethylpotassium and polyol [1,1,1-trispropane or pentaerythritol] to give the well-defined three-arm star poly and four-arm star poly.

用核磁共振(~1H NMR)、红外光谱、元素分析、气相色谱—质谱、凝胶渗透色谱和基质辅助激光解吸附电离飞行时间质谱(MALDI-TOF-MS)等手段对中间产物及最终产物进行了详细地表征，证明了这种合成聚醚为主链的接枝共聚物的方法是可行的，并且是成功的。2。

Gold Scorpionates Capture Ethylene ― Transition metal-ethylene complexes, known for nearly 200 years, were first made famous by Zeise's salt, K[PtCl3(C2H4)] H2O, a once-mysterious complex in which an ethylene molecule binds side-on to the platinum atom.

金蝎合物俘获乙烯――人们早在1827就制备了过渡金属烯烃复合物，最近因蔡斯盐，K[PtCl3(C2H4)] H2O，一种烯烃分子缠绕铂原子曾经很神奇的复合物，而首次名满天下。

An absolutely pure crystal of salt could have the position of every atom specified by something like 10 bits of information.

一粒纯晶体盐中原子的位置可以说是由10位信息的规则所规定的，这就不会让大脑的信息负荷能力感到吃力了。

4T_o make an atom bomb we have to use uranium 235, in which all the atoms are available for fission .

制造原子弹须用铀235，因为它的所有原子都可裂变。

To make an atom bomb we have to use uranium 235, in which all the atoms are available for fission.

制造原子弹必须用铀235，因为它的所有原子都可以裂变。那位女记者说有一个炸弹或一批炸弹可能在凌晨三点爆炸。

It has been known for many years that an electron and its antiparticle, the positron, may together form a metastable hydrogen-like atom, known as positronium or Ps ref.

多年前科学家就已经知道，一个电子和它的反粒子，即正电子，能够结合形成一个亚稳态的、像氢原子一样的原子，被称为positronium。

It has been known for many years that an electron and its antiparticle, the positron, may together form a metastable hydrogen-like atom, known as positronium or Ps ref.

多年前科学家就已经知道，1个电子和它的反粒子，即正电子，能够结合形成1个亚稳态的、像氢原子1样的原子，被称为positronium。

It has been known for many years that an electron and its antiparticle, the positron, may together form a metastable hydrogen-like atom, known as positronium or Ps ref.

核心提示：多年前科学家就已经知道，1个电子和它的反粒子，即正电子，能够结合形成1个亚稳态的、像氢原子1样的原子，被称为positronium。

Typical a-amino acids have four different groups attached to the a-carbon atom, and so all amino acids except glycine show optical activity .

典型的α-氨基酸有4个不同的基团连结在α-碳原子上，并且除了甘氨酸以外所有的氨基酸都表现出光学活性。

We will consider this Zeeman effect for the hydrogen atom .

我们将对氢原子考虑此塞曼效应。

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。