氢

Tetralin showed synergistic action with hexadecene, which accelerated the oxid ation and increased the hydroperoxide content up to 4.64wt% after 16hr oxidation .

四氢萘与十六烯共存有协同氧化作用，使体系中的氢过氧化物含量在16 h 高达4.64%，氧化深度增大。

Both catalytic activity and selectivity of Ru(PPh_3)_3Cl_2 were improved in ionic liquid BMImPF_6/DME medium.The conversion of hexene and selectivity ofβ-adduct for the hydrosilylation reaction of 1-hexene with triethoxysilane catalyzed by Ru(PPh_3)_3Cl_2 in ionic liquid BMImPF_6DME (V/V=1/4) medium at 90℃were 100% and 89.0%,respectively.

实验结果表明，在乙二醇二甲醚/离子液体1-丁基-3-甲基咪唑六氟磷酸盐(BMImBF_6)(V/V =1/4)介质中，于90℃下，己烯与三乙氧基硅烷反应的转化率为100%，β加成物的选择性可达89.0%，而用Rh(PPh_3)_3Cl作为反应的催化剂，在纯离子液体BMImPF_6中，就可以高效催化烯烃与三乙氧基氢硅烷的加成反应，过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化剂/离子液体BMImPF_6催化体系，不仅解决了产物与催化剂分离困难这一难题，同时，离子液体BMImPF_6的存在提高了过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化硅氢加成反应的活性，特别是β加成物的选择性。

Dihydrojasmone was synthesized from2-hexyl-5-methyl-1,2-oxaborolane,prepared frommethyl vinyl ketone and hexene,via the homologationwith 〓 followed by PCC oxidation and intra-molecular condensation.In stead of the oxidation ofthe C-B bond of 1,2-oxaborolane,fluoride inducedhalogenation of 2-alkoxy-1,2-oxaborolane was found togive 3-halopropanol.

硼氢化甲基乙烯基酮和已烯得到的2-已基-5-甲基-1，2-氧硼杂环戊烷与〓反应，再经PCC氧化，分子内缩合得到二氢茉莉酮。1，2-氧硼杂环戊烷的C-B键除氧化断裂之外，也能够在〓或KF作用下卤化断裂成碳卤键。

The installing and debugging of the system shows that it can real-timely monitor the working state of the hydric parameters in the generator system, and the communication is real-time and reliable. The monitoring system can widely use in the hydrogen-cooling system of the power station.

经过现场安装和调试表明，该系统可实时监控氢冷发电机系统氢气参数的运行情况，具有实时、通信稳定可靠等特点，可广泛地使用于电厂氢冷发电机系统。

A method for the determination of Acetic acid and Hydrobromic acid in air and environmental sample by ion-chromatography is described.

用同一吸收液采集、离子色谱法测定空气中的乙酸和溴化氢，采样体积为60L时，乙酸和溴化氢的检出限分别为0.03mg/m3和0.11mg/m3，相对标准偏差分别为1.9%和1.7%，实际样品的加标回收率分别为90.1%~102%和

Hydrobromic acid and hydroiodic acid, but also react each other and give out the hydrosulfide gas.

实验结果表明黑色硫化汞能溶于热浓盐酸、氢溴酸和氢碘酸中，并与其反应放出硫化氢气体。

The alternative method of O-demethylation,methane sulfonic acid/DL-methionine and hydrobromic acid were investigated.

方法在以蒂巴因为原料，经氧化、氢化、酰化、氰化、去氧甲基、水解、N-烯丙基化得到纳洛酮的合成路线中，分别采用甲磺酸/DL-甲硫氨酸和氢溴酸代替三溴化硼进行去氧甲基化和后续水解反应。

Keywords Black mercury sulfide;Thickish hot hydrochloric acid;Hydrobromic acid;Hydroiodic acid;Dissolve

黑色流化汞；热浓盐酸；氢溴酸；氢碘酸；溶解

Methods The rat stress gastric ulcer models induced by ethol and burned acetic acid were established and the effect of arecoline hydrobromide on the secretion of gastric acid and pepsase in rats was observed.

方法用化学测定法观察氢溴酸槟榔碱对大鼠胃液胃酸、胃蛋白酶分泌的影响；采用小鼠应激性胃溃疡模型、大鼠乙醇型胃溃疡模型和乙酸灼烧型大鼠胃溃疡模型来观察氢溴酸槟榔碱对胃溃疡动物模型的作用。

On the other hand, Cu, Co and Ni are all present in manganese phase in the hydrogenic nodules.

这些过渡金属元素在成岩作用形成的结核中的存在与铁锰结核中锰矿物和铁的氧化物、氢氧化物的晶体化学特征密切相关，而在水成作用形成的铁锰结核中的富集与锰矿物和铁的氧化物、氢氧化物的晶体化学特征关系不大。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。