氢

In October 2010, the potassium hydroxide project will be put into operation, the annual production capacity will reach 60 thousand tons.

我公司将于2010年10月份投产氢氧化钾生产线，届时氢氧化钾生产量将达到6万吨，处于国内领先地位。

It was found that these uranium alloys, especially uranium-zirconium alloys, showed high durability against powdering upon hydrogenation and had similar hydrogen desorption properties as uranium metal.

实验发现这几种铀合金具有优良的吸氢-释氢特性和较好的抗粉化性能。

In this study, we evaluated the efficacyof preanesthetic proton pump inhibitor (PPI; oral rabeprazol)use in patients receiving regular H2-antagonisttherapy for more than 4 wk. Forty-eight patients with assumedcomplete tolerance to H2 antagonists undergoing elective surgerywere recruited and randomly assigned to receive either a preanestheticPPI (rabeprazol 20 mg; n = 24) or H2-antagonist (H2 group; roxatidine75 mg; n = 24) at 9:00 pm on the day before surgery and 2 hbefore the induction of anesthesia.

本次研究，作者评价了长期规则使用氢离子拮抗剂（口服法莫替丁，疗程大于4周）治疗的病人，麻醉前使用质子泵抑制剂（ PPI ；口服雷贝拉唑）的有效性。48位择期手术的病人假设能够完全耐受氢离子拮抗剂，随机分为两组，一组接受 PPI （口服雷贝拉唑20mg ； n ＝24），另一组接受质子泵抑制剂（口服罗沙替丁75mg ； n ＝24），服药时间分别为，术前一天晚上9点和麻醉诱导前2小时。

The anodic oxidation reactions of borohydride ion involves a novel and complex reaction system of three hydrogen valence states: protide H(superscript --protium H(superscript 0*-proton H(superscript +. Based on cyclic voltammetry and polarization studies, a multi-step mechanism for the oxidation of BH4-on Cu anode in NaOH solution was presented, and a kinetic expression containing the coverages of BH(superscript - subscript 4) and OH-adsorbed on the surface of Cu anode was deduced by the steady state approximation theory.

鉴于BH(上标-下标 4)阳极氧化反应涉及一个复杂的氢负离子H(上标-下标 4)－氢单原子H(上标 0*)－质子H之间价态转化的新颖反应体系，在循环伏安和极化实验研究基础上，提出了NaOH溶液中BH(上标-下标 4)在Cu电极上氧化反应的多步骤机理，导出了包含表面吸附态BH(上标-下标 4， ad)和OH覆盖率θ和θ的电极反应动力学方程。

The results indicated that the proton transport number and fuel cell performance of BaCe_(0.8)Y_(0.2)O_(3-α) synthesized by sol-gel method could be obviously affected by sintering temperature.

以烧结体样品为固体电解质、多孔性铂为电极，组成氢及氧浓差电池、氢-空气燃料电池，测定了BaCe_(0.8)Y_(0.2)O_(3-α)烧结体的质子和氧离子迁移数以及燃料电池的性能，并与高温固相反应法合成的样品进行了比较。

The advantage of " green safety neutralizer " pulpiness magnesium hydroxide material used in the environmental field was narrated , and the shortcomings of the traditional production methods were analyzed simply .

简述了"绿色安全中和剂"料浆状氢氧化镁应用于环保领域的优势，浅析了传统生产方法的缺点，着重介绍了海水，卤水－轻烧白云石沉淀法生产氢氧化镁工艺的基本原理，工艺流程，产品质量，工艺特点。

The research foreground of the synthesis of pyrocatechol from 1,2-cyclohexanediol is also prospected.

综述了1，2-环己二醇脱氢制备邻苯二酚催化剂的研究进展，重点介绍了Pd催化剂和Ni催化剂的研究现状，并对环己二醇脱氢制邻苯二酚的研究前景进行了展望。

The reaction of forming tetrahydrogenfuran derivatives is fast than that of forming tetrahydrogen -pyrrole derivatives.

1形成四氢呋喃环化衍生物反应的速度比四氢吡咯的速度要快。

For further studied on nano-Ni catalytic hydrogenation of pyroole and its derivatives at normal temperature and pressure, we have did relevant catalytic hydrogenation experiments to pyrrole, pyrrolidine and pyrrolidone.

为进一步研究常温常压下吡咯及其衍生物的镍催化加氢反应，我们对试剂吡咯、吡咯烷和吡咯烷酮做了相应的催化加氢实验。

The N(1) atom of the quinazoline can form a stable H- bond with Met-769, while the N(3) atom can form a H-bond with a water molecule.

抑制剂喹唑啉环上的N(1)原子能够和Met-769上的 NH形成稳定的氢键，而抑制剂上的N(3)原子则和周围的一个水分子形成氢键。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。