The effects of factors such as complex coupling, interconvert isomer, suffocate spin and chiral carbon on the appearance of the spectra were studied and discussed in the paper.

采用600MHzNMR譜儀較詳細(xì)地研究了不同類型有機(jī)磷農(nóng)藥的NMR譜圖a片无码在线观看网址，分析了復(fù)雜偶合www.rct999.com、直變異構(gòu)三级片网站免费观看、受阻旋轉(zhuǎn)、手性碳原子等因素對有機(jī)磷農(nóng)藥的NMR譜圖影響aaa三级无码免费观看。

The title compound used as an amino acetylating reagent was further reacted to yield Cefepime hydrochloric acid, the crystals obtained has white pale color and is stable to temperature, and has no E-isomer too.

用其作為氨基鮳ww.丝袜.com；噭┻M(jìn)一步合成鹽酸頭孢吡肟，也得到基本上白色的對溫度穩(wěn)定的不含E-異構(gòu)體的晶態(tài)化合物热久久的免费毛片。

After the lanthanon atom Ce is encaged, the volume of each isomer cage expands slightly, which leads the cluster more stable.

在摻入稀土金屬原子Ce之后碳籠的體積有略微的膨脹全免国内国外A片，且該原子的摻入能夠得到更穩(wěn)定的團(tuán)簇。

However, fac-Alq3 has been obtained only in the subgram order by sublimation of mixed polymorphs of Alq3 or by thermal conversion of commercial Alq3 followed by acetone and chloroform treatment because synthetic control of a ligand configuration has been considered difficult as a result of the favorable formation of the thermodynamically stable mer isomer.

然而色噜噜噜一二三区，因子Alq3得到了只有在subgram秩序的升華混合晶型的Alq3或熱轉(zhuǎn)換商業(yè)Alq3其次是丙酮啪啪视频免费试看，氯仿的待遇，因為合成控制配配置一直被認(rèn)為困難是由于有利的形成的熱力學(xué)穩(wěn)定濱海異構(gòu)體99爱国产视。

One compound is identified as the title compound 2-benzyloxy-5-fluoro-4-oxo-pyrimidine-3-butyric acid ethyl ester, and the other one is its formula isomer.

通過IR譜確證一個化合物是目標(biāo)物2-芐氧基－5-氟－4-嘧啶酮－3-丁酸乙酯，另一化合物是它的同分異構(gòu)體欧美又粗又长又黑。

Mossbauer isomer shifts of Fe2+ ion in LaFeAl11O19 and Eu3+ ion in LaMgAl11O19 are calculated by using the chemical surrounding facter,h,definited by covalency and electronic polarizability,and the results are in agreement with the experimental values.

利用由共價性和極化率定義的化學(xué)環(huán)境因子h計算了LaFeAl11O19中57Fe的穆斯堡爾同質(zhì)異能位移和LaMgAl11O19∶Eu中151Eu的同質(zhì)異能位移你懂得的永久，所得結(jié)果與實驗值一致。

For two homoatomic Sb42- and Bi42- species, there are three stable isomers: square (D4h), roof-shaped (C2v-1), and C2v-2 structure with the square isomer being the ground state.

計算結(jié)果表明Sb42-和Bi42-團(tuán)簇有三種穩(wěn)定的結(jié)構(gòu)：正方形(D4h)有色精品合集无码一区、屋頂型(roof亚欧精品在线观看，C2v-1)和C2v-2結(jié)構(gòu)，其中正方形結(jié)構(gòu)是基態(tài)免费啊啊网站在线观看。

For the heteroatomic dian- ionic22- species, there are also three stable isomers: rhombus (D2h), roof-shaped (C1), and C2v structures with the rhombic isomer being the ground state.

由異原子組成的22-團(tuán)簇也有三種穩(wěn)定結(jié)構(gòu)：菱形(D4h)国产做a高清免费视频、屋頂型(roof免费不卡在线毛片，C1)和C2v結(jié)構(gòu)，其中菱形結(jié)構(gòu)是基態(tài)亚洲小说在线。

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