查询词典 methane

From the present study, it is postulated that the effect of vegetable oils on methane emission is concerned with the type and inclusion levels. Methane formation was decreased significantly with increasing levels and unsaturation of fatty acids in vegetable oils.

本试验结果表明植物油降低甲烷的效果跟其来源和添加水平有关；随着植物油添加水平的提高和所含不饱和脂肪酸不饱和度的增加，甲烷生成量显著降低。

G. the perfumes. The wall forming materials were TDI (2, 4-toluene diisocyanate) or 80/20TDI, triphenyl methane triisocyanate and biphenyl methane-4, 4-diisocyanate , Poly vinyl alcohol was used as protective colloid and GPE2040 was used as the emulsifier.

壁材单体分别使用了2，4-甲苯二异氰酸酯、80／20-甲苯二异氰酸酯、三苯基甲烷-4，4′，4-三异氰酸酯和二苯甲烷-4，4′-二异氰酸酯；保护胶体是聚乙烯醇；乳化剂是聚醚2040；催化剂使用二月桂酸二丁基锡。

The experimental results show that Mn2O3 was main active species and addition of Zr further activated methane molecules to improve methane conversion; C2 selectivity was improved by adding W and P, and suppressed deep oxidation property of SiO2; W–O in catalyst surface was not active species.

通过选取五组该催化剂对其进行XRD、XPS、FT-IR以及SEM表征，表明Mn2O3和Na2Zr(PO4)2是多组分甲烷氧化偶联催化剂的活性组分，且Mn2O3起主要作用，Zr的加入进一步活化了甲烷分子，提高了甲烷的转化率，W和P的加入改善了C2烃的选择性，抑制了SiO2的深度氧化特性；W–O物种不是催化活性物种。

Van Huissteden's research in the tundra of northeast Siberian, conducted in cooperation with the Yakut institute of Biology, shows that the floodplains of arctic lowland rivers are major methane sources, where methane fluxes may be five times as high as in non-flooded tundra bogs.

凡惠斯特丹博士目前正与俄罗斯亚库特生物学院合作，研究西伯利亚东北部的冻土层。

Study on Establishing of Methane Production Prediction Models on Bactrian Camels and Inhibitor of Methane Mession in Vitro

本论文利用体外法对内蒙古双峰驼甲烷产生量进行了估测，建立了估测内蒙古双峰驼甲烷产生量的模型，并对减缓甲烷产生量的措施进行了初步研究，试验分两部分进行。

Chapter 2Secondly, by the modification of an catenated MOF named IRMOF-15, two new IRMOFs were designed that show largely improved methane storage capacity, which exceed the DOE target and give comparable values to the available MOF (PCN-14) with highest methane storage capacity on volume basis, but much higher values on weight basis.

与迄今具有最大甲烷存储量的MOF材料PCN-14相比，新设计的互穿MOF材料，以体积分率为标准时，均超过了PCN-14中甲烷的存储量；而以质量分率为标准，远大于PC N-14中的甲烷存储量。

With the rapid development of national economic, the application of methane chloridate get wider, the production and consumption of methane chloridate develop very rapidly.

近年来，随着国民经济的快速发展和甲烷氯化物应用领域的进一步拓展，国内甲烷氯化物的生产和消费已得到高速发展。

Methane chlorination is the earliest production method to put industrializes methane chloridate into realization, and the technology is mature.

此外，还有二硫化碳氯化法生产四氯化碳、C1一C3废氯烃全氯化法生产四氯化碳并联产四氯乙烯以及氯油法或乙醛法生产氯仿等。

The Project produces methane chloridate taking methane as the major material and applying methanol hydrochlorinate method.

该项目以甲醇为主要原料，采用甲醇氢氯化法生产甲烷氯化物，产品市场潜力大。

As the depth of the standing water in the freshwater marsh increased and cyperaceous plants replaced the gramineous plants, the capacity of plants to transport methane from the freshwater marsh into the atmosphere increased significantly, however the comprehensive effect of plants on methane production decreased.

在腐泥沼泽中，随着沼泽静水层深度的增加，植物种类由禾本科植物——小叶章演替为莎草科植物——乌拉苔草和毛果苔草，植物传输甲烷的能力显著提高，占沼泽甲烷排放总量的比例从31%上升到72%~86%。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐