查询词典 triple-cylinder

Unbranched hydrocarbons having one triple bond are named by replacing the ending -ane of the alkane name with -yne.

直链的、有一个叁键的烃可通过将其相应烷烃名字的词尾–ane改换为-yne而得。

As used herein, a highly unsaturated hydrocarbon is defined as a hydrocarbon containing at least one triple bond, conjugated carbon-carbon double bond, or cumulative carbon-carbon double bond.

本文所使用的高度不饱和烃定义为含有至少一个叁键、共轭的碳碳双键或累积的碳碳双键的烃。

Olive oil: 40 years ago, has come from seven countries, the Institute reported that monounsaturated: The olive oil contained inside only one double bond or triple bond-containing compounds, particularly of fatty acids (such as oleic acid have great to reduce the prevalence of heart disease and cancer.

1：橄榄油，40年前，来至7个国家的研究所报告指出单不饱和的：橄榄油里含有只含一个双键或三键的化合物，尤指脂肪酸(如油酸具有很大减低心脏病和癌症的患病率。

Increased. In addition, the life of light can also make the blood of unsaturated fatty acid double bond or triple bond was cut, and saturated fatty acids is not easy to be oxidized lipid , a decrease of intravascular lipid deposition, so that the vessel wall smooth, thus reducing atherosclerosis, cataracts, such as cardiovascular disease or the occurrence of eye disease, health promotion plays a good efficacy.

此外，生命光线还可以使血液中不饱和脂肪酸的二重键或三重键被切断，饱和脂肪酸不容易再被氧化成血脂，减少了血管内脂质的沉积，使血管壁光滑，从而减少动脉硬化、白内障等心血管疾病或眼科疾病的发生，对人体健康起着良好的促进功效。

The synthesis and properties of metal-carbyne complexes is always a hot topic in the research field of organometallic chemistry since the first synthesis of transition metal complexes with a formal metal-carbon triple bond reported by E.O.

自从1973年E.O.Fischer合成了第一个含有金属碳叁键的金属卡拜化合物以来，金属卡拜化合物的合成和反应性能一直是金属有机化学中的前沿研究领域之一。

But in the systems of HO-C≡P and NH2-C≡P, H-P=C=O and N≡C-PH2 containing C≡N triple bond are thermodynamically the most stable species, respectively.

而在HO-C≡P和NH2-C≡P体系中，热力学最稳定的结构却是H-P=C=O和含C≡N三键的N≡C-PH2。

Aspecial sturcture containing two one-fold atoms, two triple bond (1.95),was obtained after geometry optimization.

在模型几何优化中，得到了带有2个一配位原子的特殊结构，它含有2个三键（1.95）。

The facts influencing the high stereoselectivity were discussed. It is proposed that the stability of the tri- molecular transition state or the stereoelectronic effect of the vinyl anion intermediate formed by the nucleophilic addition of halide anion to the electron-deficient carbon- carbon triple bond might be responsible for the high Z-stereoselectivity.

通过对影响反应的高立体选择性因素的研究，认为反应的三分子过渡态的稳定性或生成的烯基负离子中间体的立体电子效应决定了反应的高度Z立体选择性。

The results indicate that isomers P≡C-BH2 and CH3-C≡P containing C≡P triple bond are thermodynamically the most stable species in BH2-C≡P and CH3-C≡P systems, respectively.

结果表明，含C≡P三键的异构体BH2-C≡P和CH3-C≡P在各自的体系中分别是热力学最稳定的结构。

Advances in Research on Plants Reactions under Phosphate Starvation;2. Topics discussed in this article includes synthesis and structures of R2M24, the reactions of its metal-metal triple bond with various reagents such as nucleophiles, carbon-carbon mu.

本文对一类重要的ⅥB族金属叁键化合物R_2M_2_4(R为环戊二烯基及类环戊二烯基)近年来的研究成果进行了综述，综述重点是这类化合物的官能团M≡M参键的化学活性，全文包括R_2M_2_4的合成及结构，M≡M叁键与亲核试剂、与碳-碳重键，与氧或与金属羰基物等试剂的反应及其应用。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。