取代基的
- 與 取代基的 相關(guān)的網(wǎng)絡(luò)例句 [注：此內(nèi)容來源于網(wǎng)絡(luò)小黄片毛片在线观看，僅供參考]
-
This dissertation deals with the synthetic method of benzotellurazoles containing various substituents in benzene nuclei: introducing tellurium atom to the acetanilide derivatives in ortho-position by direct or indirect ways, then reduced and cyclized to give substituted benzotellurazoles directly or indirectly.
本文系統(tǒng)研究了含各類取代基的苯并碲唑雜環(huán)的合成方法亚洲国产91精品，即向原料中用四氯化碲以直接或間接定位的方法引入碲a无码毛片免费视频，再經(jīng)過直接或間接還原關(guān)環(huán)法制備苯并碲唑亚洲国产精品国产自在在线。
-
The speed of electrophilic addition reaction of Alkene is well-connected to the nature of substituting group on C=C.
對于烯烴的親電加成反應(yīng)速度黄页网站免费观看大全，與C=C上直接連接的取代基的性質(zhì)有關(guān)国产操屄。
-
In general, catalytic activities of iron complexes bearing electron-donating alkyl groups increase with the net charges increasing.
取代基的電子效應(yīng)占主導(dǎo)作用的催化劑美女视频黄频黄色视频，活性與中心金屬原子凈電荷有較好的相關(guān)性。
-
The substituted group on the bipyridyl ligand in complex 2 could lose C2H4 neutral molecule under a higher CID fragmentation (such as CID 110 V), and its single charge ion is more stable than its double charge ion.
而絡(luò)合物2在較高的CID電壓下(1l0V)會發(fā)生聯(lián)吡啶環(huán)上取代基的中性C2H4小分子丟失黄色网站免费用看片，其單電荷離子比二價電荷離子穩(wěn)定精品99爱免费视频在线观看。
-
Some novel six-coordination zinc complexes formed by the axial coordination of imidazolyl tailed porphyrinatomanganese to porphyrinatozinc were observed from electrospray mass spectra.
超分子閉合型構(gòu)象和卟啉環(huán)上拉電子取代基的電子效應(yīng)都有利于以氫鍵或配位鍵驅(qū)動的超分子構(gòu)建。
-
The ring-open nitration of propylene oxide compounds was investigated using dinitrogen pentoxide as nitrating agent.
并以N2O5為硝化劑考察了環(huán)氧丙烷類化合物開環(huán)硝化過程欧美日韩特级婬片视频，探討了取代基的電子效應(yīng)和立體效應(yīng)對環(huán)氧丙烷類化合物開環(huán)硝化過程的影響規(guī)律一区二区美女脱黑色丝袜视频。
-
The changes of substitutes character have great influence on the luminescence when they are complexed with metals.
化合物取代基的推拉電子能力影響化合物與金屬絡(luò)和后所表現(xiàn)出的光性質(zhì)。
-
The influences of the amount of the catalysts,the temperature and the electronic effect of the substrates were discussed.
研究了底物取代基的電子效應(yīng)免费的羞羞视频在线播放，立體結(jié)構(gòu)等因素對這一反應(yīng)的影響又色又爽的网站。
-
In this process, we have discovered a three-component tandem reaction leading to the formation of 6-vinyl-1,3a-diazapentalene derivatives.
實驗結(jié)果表明，在形成可能的中間體B以后91免费久久精品，由于烯酮取代基的作用啦啦啦资源在线观看视频4，Michael加成被抑制，進而發(fā)生一個三組分串聯(lián)反應(yīng)欧美aaawww片，得到吡咯并咪唑衍生物又粗又黑又长欧美视频。
-
The hydrolytic stability of the target compounds were tested by chemiluminescent method.
而且化學(xué)發(fā)光法對其水解穩(wěn)定性考察顯示，取代基的電性和位阻是影響穩(wěn)定性的兩大因素国产A级无码大黄片。
- 推薦網(wǎng)絡(luò)例句
-
However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.
然而黄片一男一女免费，正如其名字所指出的那樣，CD盤不能寫www6969，也不能用任何方式改變其內(nèi)容日韩精品欧美在线。
-
Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
鍍鋅鋼托盤多用于出口，替代木托盤国产精品系列一区二区三区，免薰蒸国产操a在线观看，符合歐盟、北美各國對出口貨物包裝材料的法令要求美国a级黄片；噴涂鋼托盤適用于重載上貨架之用激情专区，托盤表面根據(jù)需要制作成平板狀91超碰在线播放啪、波紋狀及間隔形式，滿足不同的使用要求免费黄色亚洲视频。
-
A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可從您的 ERP 系統(tǒng)上傳到我們的電子銀行系統(tǒng)來只是國內(nèi)及對海外各種幣種付款偷拍网站网址。