h的例句大全

Through the test of response surface, it was found that the optimum conditions were: time 3 h, pH 7.3, temperature 54 ℃, enzyme concentration 35 mg/ g and wheat gluten concentration 3%.

通过响应面实验得到最佳水解条件：时间3h、pH7.3、温度54℃、酶浓度[E/S]是35mg/g和谷朊粉质量分数3%。

The test specimen is dissolved by nitric acid or H · F acid.

试样用硝酸、氢氟酸溶解。

Objective: To test the tolerance of H. pylori to bile.

目的研究H.pylori对胆汁的耐受情况。

TPC-H analysis and test tool design

TPC-H分析与测试工具设计

Application of the Technology of Surface Flow Process System in a Test Well with High H_2S Content

地面流程系统工艺在高含H2S井测试中的应用

Application of Model H_X-A Automatic Testing Bench for Motor Vehicle Electrical Components

HX-A型汽车电器自动测试台的应用

The Testing Production in the Plant of 60 000t/ a H_3PO_4 with Hemihydrate-dihydrate Process

红河州磷肥厂6万t／a半水－二水法磷酸装置试生产情况

Design and fabrication of assembled testing unit of featured stresses and stress corrosion testing in wet h_2s environment

含应力特性试件的设计制作及湿H2S应力腐蚀实验

The results showed that the best condition contains 130 ℃, tributyl amine as alkali, tetrabutylammonium bromide as solvent, amount of catalyst 0.44 mol% Pd, 12 h.

结果表明：以溴苯与丙烯酸的反应为例，催化剂在130℃反应12h，三丁胺作为碱，催化剂用量为0.44mol%的钯含量，四丁基溴化铵作为溶剂的条件下具有较好的催化性能；

Coupling Process of Zinc Concentrate Leaching in H_2SO_4-HNO_3 Medium and Sulphur Extracting with Tetrachloroethylene

H2SO4-HNO3体系中锌精矿浸出与四氯乙烯萃硫的耦合

A coupling model of leaching and separation of coordinated extraction for sphalerite with complex solvents composed of tetrachloroethylene ( C_2Cl_4), 2-ethylhexyl phosphate ( P204) and surfactant in oxidation reagents of H_2SO_4-HNO_3-O_2 was put forward.

提出了闪锌矿在H2SO4HNO3O2中的氧化浸出与以四氯乙烯和磷酸二（2乙基己基）酯组成的协同萃取3剂和表面活性剂的分离耦合操作模式。

The photolytic rate can be stabilized at 90% through UV irradiation in 0.5h. The photocatalyst could photo-decompose tetracycline antibiotic of aqueous solution.

它能光催化分解水溶液中四环素抗菌素，经0.5h光照，四环素分解率约达90%。

Crystal Structure and Characterization of Tetradecyl Dimethyl Benzyl Ammonium Chloride C_ ( 23) H_ ( 42) ClN · 2H_2O

十四烷基二甲基苄基氯化铵的合成及晶体结构

The influence of H_2O, catalyst, solvent and composition of Cu-containing tetraethyl orthosilicate on the sol-gel process was discussed.

研究了水量、催化剂浓度、溶剂量及含铜硅酸乙酯的组成对溶胶-凝胶过程的影响。

When tetraethylene glycol was used as membrane liquid, SLM showed that separation factor was about 20, and permeation flux 50-60 g/ ( m2 · h) at 40 ℃.

以四甘醇作为支撑液膜的膜液时，液膜稳定性最好，在40℃的操作条件下，分离因子接近20，渗透通量在50-60g／（m2·h）。

Under the pressure of 0 6 MPa, reacting for 3 h at the temperature 55-90 ℃, the conversion of tetraethylene glycol was greater than 99% and the selectivity of dimethyl ether was 786%.

反应温度为55～90℃，反应压力06MPa，反应时间为3h，四甘醇转化率大于99%，双醚选择性为786%。

Surface Modified and XPS Analysis of Poly ( tetrafluoroethylene) by H_2/ N_2 Low Temperature Plasma

聚四氟乙烯表面等离子体修饰氨基及XPS分析

Quantum Chemical Studies on the Adsorption of the Small Molecules on Poly ( tetrafluoroethylene)ⅱ. PTFE-H_2, O_2, CO, and CH_4 Systems

小分子在聚四氟乙烯上吸附的量子化学研究Ⅱ.聚四氟乙烯&H2、O2、CO和CH4体系

The convergence of tetrahedral isoparametric element is analysed in this paper, and the optimal H~ 1 error estimate is obtained, then it is used to solve 3-dimensional 2-order homogeneous Dirichlet problem on surface domain.

本文的主要内容是讨论了四面体等参元，分析了其收敛性并给出了最优H~1误差估计，并把它应用到曲面区域的三维2阶齐次Dirichlet问题。

Through the study on the synthetic process, the optimum technological conditions were obtained, which were as follows: the molar ratio of cyclohexanone to sodium perborate tetrahydrate was 1 ∶ 1.5, the reaction temperature was 80 ℃ and the reaction time was 3 h.

通过对ε己内酯合成工艺条件的研究，得到了最佳合成工艺条件：环己酮与过硼酸钠四水化合物摩尔比为1∶1.5，反应时间3h，反应温度80℃。