查询词典 substitute

Solid at room temperature, phosgene is a solid, relatively stable, even when boiling, only a small amount of decomposition, as a substitute for phosgene, not only low-toxic and easy to use, and the mild reaction conditions, good selectivity and high yield.

固体光气在室温下是固体，比较稳定，即使沸腾时，也仅仅少量的分解，作为光气的替代物，不仅毒性低，使用方便，而且反应条件温和，选择性好，收率高。

Nicolas Campiche, head of Pictet's Manager Selection Services, suggests this risk/return profile makes it an effective substitute for bonds.

皮克蒂特经理选择服务的负责人尼古拉斯·康皮什提出，这个风险/回报程度使其成了债券的有效替代品。

It's no surprise since they make an excellent substitute for pinto beans.

这并不奇怪，因为他们作出的斑豆的理想替代材料。

In the synthesis process of ligands and their rare earth complexes, metal lithium is used to substitute for n-butyllithium, such as the synthesis of fluorenyl lithium, piperonal dimethyl acetal lithium, and bis (9-fluorenyl) silylene lithium.

合成配体和配合物的中间体均采用金属锂代替正丁基锂，如芴锂、溴代胡椒醛二甲基缩醛基锂盐、甲基苯基双芴基硅烷双锂盐的制备，方法简单，操作简便，副反应少，且锂盐的浓度和用量易于控制。

In order to study the method and its capability of the borax ceramsite concrete as the layer of accumulation of heat of floor radiant heating,the borax ceramsite concrete was used to substitute for pisolite concrete as the layer of accumulation of heat in the floor radiant heating system during the construction of Lakeside Garden Buildings in Liaohua District.

目的研究硼泥陶粒混凝土作为低温热水地板辐射供暖系统蓄热层的作法及其性能。方法辽化湖畔花园小区住宅楼工程中，用硼泥陶粒混凝土代替豆石混凝土作低温热水地板辐射供暖系统蓄热层，取暖期内对试验工程进行温度监测实验。结果试验工程混凝土试块强度平均值为27.5 MPa，合格率为100%，厚度均在允许偏差内，合格率100%；外观鉴定混凝土表面无裂缝，并根据温度监测结果画出了取暖期内每天温度随时间变化的曲线图。结论用硼泥陶粒混凝土作低温热水地板辐射供暖系统的蓄热层，与用豆石混凝土相比，减轻了建筑物自重、减缓了传热速度、增强了房间的热稳定性

The kinematic analysis of a planar cam mechanism can be realiaed by the method that the higher pair is substitute for lower pair, and then it is equivalent to a planar linkage. The main point by the way is how to calculate the radius of curvative of planar cam profile.

对于平面凸轮机构的运动分析可以用高副低代的方法将其转化成平面连杆机构来进行，而高副低代后关键的问题是如何在书籍平面凸轮廓线的基础上求解凸轮的曲率半径。

One strategy of approximating fitness value is presented, which is to substitute the mean center with the Weber center, and so the fitness value is to minimize the sum of distances between all clients and their corresponding mean centers, and also author makes an experiment to verify the hypothesis that the Weber point is very near to the mean point in planar space.

分别采用了遗传算法和模拟退火算法进行两个多韦伯问题的实例研究。

Venturing one day to substitute deeds for words, he turned up his cuffs,seized a plasterer's board, and having loaded his trowel without mishap, with a complacent look toward the lathing overhead, made a bold gesture thitherward; and straightway, to his complete discomfiture, received the whole contents in his ruffled bosom.

有一天他忽然想用实践来代替他的理论了，他卷起了袖子，拿了一块泥水工用的木板，放上灰浆，总算没出岔子，于是得意洋洋地望了望头顶上的板条，用了一个勇敢的动作把灰浆糊上去，马上出丑，全部灰浆掉回到他那傲慢的胸口。

The study of bone graft substitute was a hot poi nt in recent one hundred years.

骨缺损修复材料的研究是近百年来的热点课题之一。

He describes a good substitute for the relevant point of view, the point of view in order to focus on the development of learners and abilities.

他描述了一种有关优秀的替代观点，该观点集中发展学习者的才能和能力。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。