英汉例句

• methods ranolazine was synthesized by using 2, 6-dimethylaniline and guaiacol as the starting material fellewed by 4 step reactions.

  方法以2 ，6-二甲基苯胺、愈创木酚为原料，经酰化、烃化等4步反应制得雷诺嗪。

• industrially, ammonia is the starting material for most other nitrogen compounds (especially nitrates and nitrites), whose main uses are in agricultural fertilizers and explosives.

  氨是其它氮化合物（尤其是硝酸盐和亚硝酸盐）的起始物质，这些化合物主要用于农业肥料和炸药。

• the route which used hydantoin as the starting material showed lower costs and higher yield and is suitable for industrial-scale production.

  以海因为起始原料的合成路线原料成本低，转化率高，更适合工业化生产。

• the two key intermediate ketones (a_3)and(b_8)were obtained respectively by the use of the starting material resorcinol.

  两个关键中间体（a_3）和（b_8）可从起始原料间苯二酚得到。

• along with the rapid development in photovoltaic market, silicon is used to produce solar cell more than 90% as the starting material for crystalline silicon wafers.

  随着光伏产业的发展，硅作为生产晶体硅片太阳电池的基础材料，其应用已经超过了90%。

• a tremendous amount of work has been done on the purification of the starting material .

  人们在提纯原始材料方面做了大量的工作。

• however, the most maximum theoretical yield of classical kinetic resolution is limited to 50% and the tedious procedures for the separation of the starting material and the product are inevitable.

  而传统的拆分法仅能获得最高50%的产率，还需要繁琐的步骤来分离反应原料和产物。

• the certificate of analysis of the manufacturer/supplier of the starting material should be signed by a designated person with appropriate qualifications and experience.

  起始物料的生产商/供应商检验报告应有负责人签名，其应具备适当的资质和经验。

• this paper also expounds the influence of the starting material quantitative change on strengths through the medium of statistical analysis.

  通过对一系列强度试验数据的统计分析，来探索原材料用量变化对其水泥强度的影响规律。

• the starting material is melted and poured into the quadrate billets, then rolled out in wire rods, finally drawn into brazing wire.

  按合金组份配制的原料用氧化铝坩埚在真空中频感应炉中熔键成方坯条，再轧制成丝坯，最后拉制成钎焊丝材。

• the finished chain then hangs around without reacting while more of the starting material reacts to form new polymer chains.

  当不再反应时，链的增长停止，同时新的反应开始，生成新的聚合物链。

• the synthesis process of methidathion were studied in this paper. the starting material of this method was cheaper, the synthesis method is simple and was easy to industrialize.

  研究杀扑磷的合成工艺，采用的合成方法原料便宜，工艺操作简便，易于工业化生产。

• ultimately all the starting material is converted into products.

  最终全部原料都转变成为产品。

• the starting material used for the preparation of novel betaine type amphoterics can be fatty acids, fatty alcohols or primary fatty amines.

  甜菜堿型两性表面活性剂的原料可以是脂肪酸、脂肪醇或脂肪伯胺。

• the starting material for producing api from which country?

  生产api的起始原料来自那个国家？

• loteprednol etabonate was synthesized through oxidation, acylation, hydrolysis and chloromethylation from the starting material prednisolone.

  以泼尼松龙为原料，经氧化、酰化、水解成盐、氯甲基化成酯制得氯替泼诺。

• for novel amino acid type amphoterics, primary amine can be the starting material and other atoms or groups were introduced during the reaction.

  氨基酸型两性表面活性剂以伯胺为原料，合成出分子中引入了其他原子或基团。

• the source of the starting material need not be identified, but may be requested.

  起始原料的来源通常无需说明，但有时会要。

• preferably the starting material is dissolved in methanol and a stoichiometric excess of ammonium hydroxide is added.

  原料最好溶解于甲醇并加入过量氢氧化铵。

• methods employing the stepwise glycosylation strategy, the target compounds were prepared via 10 steps of reactions using diosgenin as the starting material with an overall yield of 15%.

  方法以薯蓣皂素为起始原料，采用逐步糖苷化策略，经10步反应制得目标化合物，总收率约为15%。

• in order to do so, superparamagnetic particles which connect to the alternating magnetic field are added to the resin of the starting material (1).

  为此，可接入交变磁场的超顺磁性颗粒被添加到起始原料（1）的树脂中。