您要查找的是不是：
- To add one or more alkyl groups to(a compound. 使烷基化在（一種化合物）中添加一個(gè)或多個(gè)烷基團
- To add one or more alkyl groups to(a compound). 使烷基化在（一種化合物）中添加一個(gè)或多個(gè)烷基團
- A process in which an alkyl group is added to or substituted in a compound,as in the reaction of alkenes with alkanes to make high-octane fuels. 烷化作用，烷基取代向一種化合物中添加或用一個(gè)烷基團替代的過(guò)程，如用烯烴和烷烴發(fā)生反應以制得高辛烷值燃料。
- A process in which an alkyl group is added to or substituted in a compound, as in the reaction of alkenes with alkanes to make high - octane fuels. 烷化作用，烷基取代向一種化合物中添加或用一個(gè)烷基團替代的過(guò)程，如用烯烴和烷烴發(fā)生反應以制得高辛烷值燃料
- A process in which an alkyl group is added to or substituted in a compound, as in the reaction of alkenes with alkanes to make high-octane fuels. 烷化作用，烷基取代向一種化合物中添加或用一個(gè)烷基團替代的過(guò)程，如用烯烴和烷烴發(fā)生反應以制得高辛烷值燃料
- The results suggest that an increase in alkyl group chain substituted on the cation ring correspond with an increase in toxicity. 結果表明，隨著(zhù)離子液體陽(yáng)離子咪唑環(huán)上烷基取代基的增大，離子液體對酵母細胞的毒性逐漸增大。
- Conclusion Introducing the methyl group or a low alkyl group resulting in the high selectivity and increase of its activity. 結論甲基或低級烷基的引入導致了高選擇性,使其活性增大。
- The yields are influenced by the substituents with high yields for phenyl group and low yields for alkyl groups. 反應產(chǎn)率受取代基影響較大,苯基取代時(shí)產(chǎn)率較高,烷基取代時(shí)產(chǎn)率較低;
- The homologs of benzene are those containing an alkyl group or alkyl groups in place of one or more hydrogen atoms. 苯環(huán)上一個(gè)或多個(gè)氫原子被烷基基團所取代的化合物稱(chēng)為苯的同系物。
- The nonpolar segments of surfactants include straight-chain and branched alkyl groups. 非極性表面活性劑鏈段包括直鏈和支鏈的烷基。
- Result showed that dialkyl quaternary ammonium salts inhibited the growth of Aeromonas hydrophila and Flexibacter colnmnaris,and the short alkyl group is more effective than the long one. 結果表明,雙烷基季銨鹽對嗜水氣單胞菌和柱狀屈橈桿菌生長(cháng)均具有一定抑制作用,且短鏈雙烷基季銨溴鹽比長(cháng)鏈的抑菌效果好。
- At the othe r end of stearic acid is C17 alkyl group which is similar to the molecular struct ure of natural rubber.So that, the interface on the modified wollastonite/rubbe r was linked fairly well. 硬脂酸另一端C17烷基與天然橡膠的結構十分相似，彼此間相容性較好，硅灰石在橡膠中分布較均勻，因而活性硅灰石／橡膠復合材料界面粘結較好。
- The nonpolar segments of surfactauts include straight-chain and branched alkyl groups. 非極性鏈段包括直鏈和支鏈的烷基。
- At high temperature and in the presence of phosphoric acid, the alkyl group is fractured into the corresponding olefine, according to which the alkyl of long-chain aliphatic amine can be identified. 在高溫和磷酸存在下，脂肪胺中的烷基裂解為相應的烯烴，以此可鑒定脂肪胺的烷基鏈長(cháng)。
- The homologs of benzene are those containing a alkyl goup or alkyl groups in place of one or more hydrogen atoms. 苯的同系物是那些苯環(huán)上含有單烷基（取代一個(gè)氫）或多烷基（取代多個(gè)氫）的物質(zhì)
- The electron withdrawing group (F) being introduced into the alkyl groups of the n-hexyl ZDDP is able to strengthen chemical adsorption between ZDDP and Fe atoms. 在伯烷基上吸電子基團能增強硫原子與鐵原子之間的化學(xué)吸附作用力。
- The addition of alkyl groups to PAHs enhances the carcinogenic potential of these compounds. 烷烴加在多環(huán)芳烴上的系列會(huì )提高這些化合物的致癌作用。
- Sulfur can be used to make gunpowder. 硫磺可以用來(lái)制造火藥。
- New quaternary ammonium salt cationic surfactants with 3 long chain alkyl groups were preparad from 4-alkyldiethylenetriamine and fatty acids through amidation and quaternization. 以個(gè)長(cháng)鏈烷基二亞乙基三胺和脂肪酸為原料，經(jīng)酰胺化、季銨化合成了6種未見(jiàn)文獻報道的三長(cháng)鏈烷基季銨鹽型陽(yáng)離子表面活性劑。
- Polysiloxane modified by alkyl group 烷基改性聚硅氧烷
