Some are new compounds which have been used for only a few years.
其中一些化合物是近几年开始使用的。
This helps you to make new compounds and to understand new reactions and structures.
这可以帮助你制造出新的化合物，理解新的化学反应和结构。
The risk that new compounds may be withdrawn from the market is a strong disincentive to new drug development.
新化合物有可能被撤出市场，这种风险对新药物开发具有强大抑制作用。
The regions where planets are being created are incredibly chemically productive, rapidly generating new compounds.
行星正在形成的区域不断迅速产生着新的化合物，其化学活性高得令人难以置信。
Most of them are new compounds.
大部分化合物为新化合物。
Six new compounds were synthesized.
共制得六个新的化合物。
Conclusion compounds 1 and 2 are new compounds.
结论化合物1和2均为新化合物。
RESULTS Seventeen new compounds (1-17) were synthesized.
结果合成了17个新化合物（1-17）。
All cross-coupling products of bromoallene are new compounds.
生成的含联烯结构的交叉偶联产物均未见文献报道。
The new compounds were also characterized by NMR spectra and HRMS.
这些新化合物同样得到了核磁波谱和高分辨质谱的表征。
This paper we have synthesized 15 new compounds from 2-ethylpyridine.
本文报导以2-乙基吡啶为原料，合成15种新化合物。
In the thesis, 18 compounds including 17 new compounds were synthesized.
本论文共合成了18个化合物，其中17个为新化合物。
Many words that occur in the first edition are used in new senses and enter into new compounds.
第一版中的许多词现已用于新义并复合成新词。
The increase percentage of application of pesticide combination is lower than that of new compounds.
农药组合物申请量提高的比率低于新化合物申请量提高的比率。
Aim to design and synthesize new compounds of prandial glucose regulator with more simple structure.
目的设计合成结构更为简单的餐时血糖调节剂。
Based on this QSAR study, 4 new compounds with high antibacterial activity had been theoretically designed.
根据QSAR研究结果设计了4个活性较高的喹啉衍生物。
Among them, compounds 1, 7, 8 were new compounds, and 2, 3 were isolated for the first time from Caesalpinia.
其中化合物1、7、8为新的二萜类化合物，化合物2,3为首次从该属植物中分离得到的化合物。
According to this model, we also design two new compounds and predict that they may have high binding affinities.
利用此模型合理的设计了两个新的化合物，并预测具有较高的结合活性。
The regions where planets are being created are incredibly chemically productive, rapidly generating new compounds.
孕育新行星的区域从化学角度讲，非常利于物质反应，能够迅速产生新的化合物。
Six types fragrant new compounds were synthesized by the condensation reactions of formylisolongifolene with ketones.
通过甲酰基异长叶烯与酮的缩合反应合成出六种具有香气的新化合物。
Compounds 1 and 2 are new compounds, some compounds showed cytotoxic activities on SF-268, MCF-7 and HepG2 cell lines.
其中化合物1和2为新化合物，部分化合物显示一定的细胞毒活性。
You can also induce the cells by using compounds called precursors to produce other new compounds by way of biotransformation.
你还可以用前体化合物让细胞通过生物转化的方式制造其他新的化合物。
Data gathered from the CAS Registry show that these efforts have generated tremendous growth in the creation of new compounds.
CAS的数据显示，这些努力已产生了新化合物数量的巨大增长。
Objective To study the quantitative structure-activity relationship (QSAR) of carbapenems and the design of new compounds.
目的研究碳青霉烯类化合物的定量构效关系(Q SAR)，并进行新的碳青霉烯类化合物的分子设计。
The structures of the synthesized new compounds have been identified by elementary analysis, melting points and IR spectra.
采用元素分析、熔点、红外光谱等鉴定了新化合物的结构。
Aim To search for new compounds for the treatment of cardiovascular diseases by structural modification of cyclovirobuxine D.
目的通过对植物活性单体环维黄杨星D的结构改造 ，以寻求疗效更好、治疗安全范围更宽的心血管药物。
To synthesize new compounds, chemists have followed the time-honored recipe of stirring together the reactants and heating the resulting mixture.
为了合成新的化合物，化学家们总是按照古老的做法，把各种反应物放在一起搅拌，再对这样得到的混合物进行加热。
The results show that after laser remelting, part of WC particles are decomposed into W2C, at the same time the reaction forms some new compounds.
结果表明：涂层经激光重熔处理后，WC颗粒部分分解形成W2C，同时形成新的硬质相和共晶组织。
The results show that after laser remelting, part of WC particles are decomposed into W2C, at the same time the reaction forms some new compounds.
结果表明：涂层经激光重熔处理后，WC颗粒部分分解形成W2C，同时形成新的硬质相和共晶组织。
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