sn的例句大全

In HC 1 solution ( 0.10～0.30 mol · L ~ (-1 )) , Sn , DBH-PF and emulsifier OP form a ternary complex.

在0.10 ～ 0.30mol·L~ ( -1 ) 盐酸介质中,锡与DBH-PF、乳化剂OP形成三元络合物.

Study the action of Sn in the production of APT by ion-exchange of hydrometallurgy.

较系统地研究了湿冶离子交换法生产仲钨酸铵工艺中杂质锡的行为.

To establish a method for determination of Sn in poly ( L-lactic acid ) ( PLLA ) pharmaceutical necessities.

目的:建立药用辅料聚L - 乳酸 的锡含量检测方法.

Quaternarization is an important SN 2 nucleophilic substitution reaction; solvent has remarkable effect on it.

季铵化反应是一类重要的SN2亲核取代反应, 溶剂对该反应的影响很显著.

A kind of organo-molybdenum composite lubricant based on 650 SN mineral oil was prepared synthesis methods.

以矿物基650SN油作为基础油,采用复配技术制备了有机钼复合润滑剂.

Pinggui Sn placer in Guangxi was discovered and exploited as early as the Bronze Age.

“平桂”砂锡矿,早在“青铜时代”已被发现、开发利用.

This article introduces a meted in preparation SnI 4 from Sn and I 2 by microscale lab apparatuses.

本文通过四碘化锡制备微型实验的进一步研究.

Be encircled by stiffness SN 4 each square can be bearing number Newton?

环刚度SN4每平方可以承重多少牛顿?

Especially , thepresence of Sn in TiO _ 2-SnO 2-SiO 2 catalyst promotered the selectivity to DPO.

经 Sn 改性后的复合型TiO_2-SnO2-SiO2催化剂,使DPO的选择性明显提高.

E 5 neIFn ; 9 Imp [ sn ` eFEn / n [ C , U ] : He does some brilliant impersonations of the president.

他 扮演 总统有些地方十分出色.

The results of XPS and AES analyses showed that on tinplate surface an anticorrosive coordination compound film of laurylamine was formed, and N atoms in laurylamine molecule were coordinated with Sn ( II).

XPS和AES分析结果表明，月桂胺中的氮与锡表面发生配位作用并在锡表面形成耐蚀性保护膜。

And the crystal type, size and externalities of nano-TiO_2 crystal and nano-TiO_2 adulterating Sn crystal are shown by X-ray Diffraction.

用XRD衍射表征了纳米级TiO2晶体掺杂前后的晶型。

The principle of plating bronze by chemical displacement and control measures of coat composition are introduced. To reduce Sn 2+ content and add acidness of plating bath is beneficial to stabilization. To add addition can also raise stability of plating bath.

介绍置换镀锡青铜的原理及镀层成分控制措施，在镀液中降低Sn2+含量、增加镀液的酸度有利于镀液的稳定，加入添加剂也可提高镀液的稳定性。

Only when Sn content in Pb-Ca alloy was more than 0.6wt%, its anodic dissolution of Sn could been observed from cyclic voltammogram and had effect to eliminate the premature capacity loss.

当Pb&Ca合金中锡含量超过0.6%时才可能从循环伏安图观察到锡的阳极溶解，才能起克服早期容量损失的作用。

They seemred 882153 to come in stages and then start aga sn prfjbc but felty deeper.

他们似乎是分阶段进行，接着，又-再次开始，但感觉更深一步

Three elements in the reference materials of Sn alloy were analyzed by ED-XRF.

本文提出 X 荧光能谱法测定锡基合金中三个元素含量的方法.

First-principle Calculation ( by VASP) indicates that the yellow luminescence derives from the Sn vacancy ( VSn). Solvent-thermal method is in a critical condition, can occur under the normal conditions the reaction can not be achieved, and can generate metastable state structure of materials.

第一性原理计算表明所激发的黄光发射来自于锡空位（Vsn）。溶剂热法中有机溶剂处于临界状态下，能够发生通常条件下无法实现的反应，并能生成具有介稳态结构的材料。

The fraction-dimension of Sn is 1.7 in garnet, 1.8 in vesuvianite, and 1.9 in anaphase epidote.

Sn元素在石榴子石中分布的分形维为1.7；在符山石中的分形维为1.8；

Microscopic Optical Potential Calculations of Asymmetric Nucleus~ ( 120) Sn with H-F Approximation

用H-F方法计算非对称核~（120）Sn的微观光学势

The bottom Sn is welded on the end of the other guide wire to turn into the other electrode after the other guide wire passing through the lamp cap.

另一根导丝通过灯头后在其端部焊上底锡成为另一个电极。