可代替

With the rapid consumption of non-renewable resources and approach of energy crisis, the utilization of renewable resources, instead of non-renewable ones, is attracting more and more attention wordwide.

随着能源危机的日益严重和不可再生资源的迅速消耗，利用可再生资源代替不可再生资源正越来越引起全世界的关注。

A method to synthsis a - methylene - r - butyrolactones was reported by the substituted (a - carbethoxyvinyl) cuprate intermediates, generated by the addition of higer order cuprate to acetylenic ester,traping with epoxides stereoselectively.

本文报道了通过以高序铜代替低序铜对炔酸酯加成得到的取代铜与端基或环状环氧化合物的立体选择性反应，较高产率的合成α，β-取代烯酯，进而可合成α-亚烷基-γ-丁内酯类衍生物。

This paper, aiming at the weak points of the low early strength and the slow setting and hardening of portland fly-ash cement , according to the forming mechanism of cement clinker minerals, cement clinker minerals are choosen, fly ash is used as a substitute of clay as raw materials, early and high strength type cement clinker has heen developed, the amount of alit in the clinker is very high.

本文针对粉煤灰水泥早强低，凝结硬化慢等缺点，根据水泥熟料矿物的形成机理，用粉煤灰代替粘土作原料，对熟料矿物进行优化组合，成功地研制出了一种高硅酸三钙的早期强度高的水泥熟料，这种熟料可掺入30％一40％粉煤灰，生产出425R型粉煤灰水泥。

A modified method was suggested to facilitate the extraction of alkaloidal salts as such from tablets by means of water,aqueous alcohol or other strong polar solvents.

可能代替药典中若干药物的法定含量测定方法，但须注意杂质影响。3。用水或醇自片剂中半微量法滤出有效成分，直接滴定，方法简便，可得满意结果。

The sol's sensitivity towater can be improved by using inorganic salts instead of alkoxide as bismuthand strontium precursors, and hence the sol-gel processing can be simplified.

用无机盐代替醇盐作为锶和铋的前驱体，可克服溶胶对空气中水分的敏感性，从而大大简化了SBT薄膜的制备工艺。

So the mass customization in the large assembly manufacturing environment is developed, Therefore, a theoretical framework used to replace the traditional design by an applicably standard, interchangeable and common generic module model.

提出了一种通过应用标准的、可互换的通用广义模块模型代替传统经验设计方法的理论框架。

Domestic products raw material, which bastnasite was used as active component for DeSOx additives, were selected to use for the first time, the bastnasite can replace industrial cerium nitrate, it may improve DeSOx activity and abrasive resistance, due to admission bastnasite, but also reduce cost of material of DeSOx additives.

本文采用三种方法拟在活性组分的选择、活性评价及作用机理等方面对DeSOx添加剂强度进行有益的探索；尤其首次选用国产原料——氟碳铈矿作为镁铝尖晶石DeSOx添加剂的活性载体，使得氟炭铈矿可以代替工业硝酸铈，它既可提高脱硫添加剂的活性和耐磨强度，还可以降低原料成本。

Otherwise dealt with, or where any vessel, carrying any dangerous goods is berthed or has anchored

界定的海关员，可――（由1991年第27号法律公告代替。由1991

All says one possible safety measure is placing a surface called "crushable concrete" at the end of the tarmac to help stop runaway airplanes.

说，使用可碰撞水泥来铺道将是一个能解决安全问题的方法，即代替用柏油铺路。

Glycolic acid could cause local necrosis of liver, and might be used in clinical practices in the future as a substitute of ethanol for the treatment of liver cancer.

乙醇酸可引起大鼠肝脏局部较完全坏死，有望作为一种新的化学灭活剂，代替无水酒精局部注射治疗肝癌。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。