二-十进制

Based on mathematical analysis, elastic geostress field is a symmetric second-order tensor, which can be expressed as symmetric matrix and studied by its eigenvalue and eigenvector.

根据对二阶张量的数学分析，通过求取二阶张量的特征值与特征向量，导出了对称张量在空间几何学中对应的二次曲面。

Propanediol (1,3-PD) is an important intermediate in the production of polyesters propylene terephthalate.

1，3-丙二醇是合成聚对苯二甲酸丙二醇酯的重要原料。

Good yield of the pure monomer bis(2-hydroxyethylene terephthalate) was obtained.

良好的收益率的纯单体二（ 2 - hydroxyethylene对苯二甲酸乙二醇酯）获得。

The effect of reagents, reaction temperature, dinitrogen tetroxide and nitric acid on the yield and purity of 1,2-propanediol dinitrate were also investigated.

结果表明，N_2O_5和环氧丙烷硝化的主产物是1，2-丙二醇二硝酸酯，副产物是1，2-丙二醇单硝酸酯。

"Four zero zero,fourongfour,four twoeight,fourthree tewlve,four four sixteen...".

中文中通常回省略0的乘法，但英文都回从0开始念起。和中文一样，英语也可以但用"二二得四"，"二三得六"数字的讲法。

Based on the comparisons of PEG exposure from PEGylated biological products and the exposure of PEG associated with toxicity in humans, the therapeutic index is large(approximately 600-fold or greater).

基于聚乙二醇酯化的生物制品会游离出聚乙二醇，以及游离的聚乙二醇所具有的对人的毒性，该生物制品治疗指数大（大约600倍或更高）。仅供参考，呵呵。

Characteristics of the business has:(1) smart battery design, development, production (the main application fields Laptop batteries, camera batteries, batteries of various instruments and meters, etc.), real-time monitoring of battery capacity, the use of time, the use of frequency, this technology is at the international leading level;(2) a variety of instruments and equipment of the external power supply products, high-power, intelligent, thin and light, no memory effect, multi-channel voltage output;(3) Lithium battery protection circuit, a string, two string, three strings, four string protection circuits can be designed in accordance with the requirements of customers;(4) charger, the company has developed a string, second string, three strings, four strings of different power lithium battery charger and car charger browser; product line:* Ni-MH rechargeable battery Series ------------------------------------* nickel cadmium rechargeable battery Series * Rechargeable lithium-ion battery series ------------------------------------* all Class Series rechargeable battery pack * lithium manganese dioxide battery series ------------------------------------* lithium thionyl chloride battery series argon company spirit of "honesty, technology and innovation" concept, the "quality first, consumers first" concept, is willing to work with all sectors of cooperation, common development and prosperity.

特色业务有：（1）智能电池设计、开发、生产（主要应用领域笔记本电脑电池、摄象机电池、各种仪器仪表电池等），实时监测电池容量、使用时间、使用次数等，此技术目前处于国际领先水平；（2）各种仪器设备的外置电源产品，大功率、智能化、超轻超薄、无记忆效应、多路电压输出；（3）锂电池保护线路，一串、二串、三串、四串保护线路，可以根据客户的要求设计；（4）充电器，公司开发了一串、二串、三串、四串锂电池各种不同功率的充电器和车载充电器；产品系列：*镍氢可充电电池系列------------------------------------*镍镉可充电电池系列*锂离子可充电池系列------------------------------------*各类可充电池组系列*锂二氧化锰电池系列------------------------------------*锂氩硫酰氯电池系列公司本着"诚信为本，科技创新"的理念，贯彻"质量第一，用户至上"的概念，愿与各界人士合作，共同发展和繁荣。

"You are a philosopher, Thrasymachus," I replied, and well know that if you ask a person what numbers make up twelve, taking care to prohibit him whom you ask from answering twice six, or three times four, or six times two, or four times three,'for this sort of nonsense will not do for me,'--then obviously, that is your way of putting the question, no one can answer you.

"你才是哲学家，斯拉斯马科斯，"我答道，而且是那种因先问人多少组成十二然后又不准人回答二倍的六、三倍的四、六倍的二、四倍的三并视'诸如此类的这些答案对我毫无意义'而著名的哲学家——很显然，这就是你提出问题的方式，当然没有人能回答你的问题。

The pulse heating coulombic titration was applied to the determination of oxygen in titanium diboride,the titrimetry was studied to determine amounts of oxygen in titanium diboride,the determine method was established.

采用脉冲加热库仑滴定法测定二硼化钛中的氧，研究了二硼化钛中氧量的测定条件，建立了分析方法，能准确、快速地测定二硼化钛中的氧含量，并能推广应用于金属陶瓷材料中氧含量的测定。

CP of biennial and triennium have similitude early, became obvious different after July 22nd .Key words: Vicia amoena, age, growth and reproduction pattern, over-ground biomass, nutrition, layering distribution, seed pests, controlling effect and best preventive time

在整个生长季节内，一年生山野豌豆的粗蛋白含量低于二年生和三年生山野碗豆；二年生和三年生山野碗豆的粗蛋白含量在初期相似，到了7月22日后，有明显的不同，二年生山野豌豆降幅大于三年生山野豌豆。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。