h的例句大全

Tetrahydrofurfuryl alcohol ( THFA) was prepared from furfuryl alcohol with hydrogenation reduction by using the catalyst at 393-413 K, 0 25-0 4 h-1 and 2 0-4 0 MPa.

在393～413K、0.25～0.4h-1、2.0～4.0MPa条件下，用上述催化剂加氢还原糠醇制备四氢糠醇。

To catalyze the reaction of propylene with H 2O 2 in one step by titanium silicalite to produce catalyzed auto-oxidation of tetralin in hydro/ organic two-phase system when oxygen taken as oxygen source;

以分子氧为氧源，在水/有机两相体系，催化四氢萘的自动氧化，α-四氢萘酮的选择性为68%；

The base separation of pentaerithrityl tetranitrate related substances was accomplished on Shim-pack VP-ODS column. Methanol-H_2O ( 70 ∶ 30, V/ V) was used as the mobile phase, It was detected by a diode array detector at 206 nm.

采用ODS色谱柱，甲醇/水（70∶30）为流动相，使戊四硝酯与有关物质基线分离，二极管阵列检测器检测波长206nm。

Investigation of Inhibition of Sodium Oleate for Aluminum in Hydrochloride Solution INHIBITION EFFECT OF RED TETRAZOLIUM ON COLD ROLLED STEEL IN H_3PO_4 SOLUTION

油酸钠对铝在盐酸溶液中的缓蚀作用的研究红四氮唑对冷轧钢在磷酸溶液中的缓蚀性能

President H. Kim Bottomly and Jennifer C. Desjarlais, the dean of admissions, declined to talk to me.

校长H·金·波托姆利和招生处主任珍妮佛·德夏莱（Jennifer C.Desjarlais）谢绝向我发表评论。

The average rate of penetration reaches 11.46 m/ h, increased for about 100% compared to the rate of penetration of neighboring well.

试验结果表明，在高压地层采用天然气钻井技术可以大幅提高钻井速度，该井平均机械钻速达11.46m/h，与邻井相比机械钻速提高1倍以上。

Based on the overtemperature of second steam regulating heat surface in 670t/ h boiler, the author gives out a thermal performance calculation and proposes modification measures.

对苏制670t/h锅炉存在的二次汽超温进行热力校核计算，提出改造措施。

An Unified Theory of Stability Analysis of Regenerative Chatter on 4-H Cold Rolling Mills

四辊冷带轧机再生颤振稳定性的统一理论

The optimal conditions of adsorption were obtained when theoretical plate number was equal to 7, the tower top temperature 47.8 ℃, the bottom temperature 51.8 ℃ and the scrubbing liquid was raw methanol ( 8mol/ h).

吸收塔理论塔板数7，塔顶温度为47.8℃，塔釜温度为51.8℃，洗涤液为原料甲醇（8mol/hr）；

Density Functional Theory Study of H_2O Adsorption and Decomposition on Cubic ZrO_2 ( 110) Surface

水分子在立方ZrO2（110）面吸附与解离的密度泛函理论研究

The general radical theory of H-module algebras and prime radical

H&模代数的一般根论和素根

Considering the reflection inside the solid immersion lens, and using vector diffraction theory, the influences of dispersion to the transmitted field characters of hemisphere SIL ( h-SIL) are analyzed.

在考虑了半球型固体浸没透镜（h-SIL）内部的反射，应用矢量衍射理论分析了色散对h-SIL的透射场特性的影响。

Technological characteristics and operation of 15000m~ 3/ h ASU using internal compression process

15000m~3/h内压缩流程空分设备的技术特性和操作

Analyses of H, O, C, S, Pb isotope, fracture tectono-geochemistry and ore deposit geochemistry show that the ore deposit is formed in an open system.

H、O、C、S、Pb同位素资料、断裂构造地球化学与矿床地球化学分析表明矿床形成于开放体系条件。

E-Band and F-Band H-Plane Waveguide Tee Junction Slot Coupler

E波段和F波段波导H面T型缝隙耦合器

Measurement of the effective line-width △ h_ ( eff) of microwaves ferrites

微波铁氧体有效线宽△H（eff）的测量

The results showed that the aging properties and fatigue properties of compounds and the adhesion strength and H pull out force of semi products improved, and the scorch time and optimum cure time reduced by adding activated silk mica powder;

结果表明，绢云母粉活化后对胶料的老化性能、疲劳性能、半成品粘合强度、H抽出力等性能有所改善，但焦烧时间和正硫化时间缩短；

High temperature corrosion behaviour of 2o~# steel in h_2s-hci-h_2o gas mixtures

20~钢H2S-HCl-H2O混合气体高温腐蚀行为

In order to release the stresses originated from the lattice mismatch and reduce the defect densities, sapphire substrate surfaces are preprocessed by H-plasma cleaning, N-plasma nitriding and the low temperature buffer growth.

为了释放因晶格失配产生的应力，以降低在GaN外延膜中引起的缺陷密度，我们对蓝宝石衬底采用了氢等离子体清洗、氮等离子体氮化以及低温生长缓冲层的方法。

The high temperature potential-pH equilibrium was plotted based on the chemistry and electrochemistry equilibrium in the Fe-H_2O system.

根据Fe H2O体系在高温下的化学和电化学平衡，绘制了不同温度下的电位pH图。