查询词典 natural gas

Foams are cushiony material formed by the creation of gas bubbles in a base material such as natural rubber, synthetic rubber or other elastomeric materials.

它们是由气泡在一种基本材料如天然橡胶、合成橡胶或其它弹性材料中的产生而形成的软垫材料。

The gas spill angles in the present experiment are 0°, 45° and 90°. The densimetric Froude number are 8, 10, 12, and 15. The terrain parameter are urban type and rural type natural turbulent boundary layers, respectively.

实验选择之溢漏角度为水平排放、45°角排放及垂直排放，密度福禄数为8 、10、12与15，迫近流场用的地形条件为乡村与都市地形。

Our corporation since establishment consistently adheres to natural materials and does the research and development of safe and healthy products. Japanese cedar and hinoki cypress which are indigenous to Japan become fire resistant and do not produce toxic gas even when set fire once they are treated with our ecologically friendly product called 'Super FX3200'.

本公司自成立以来一直致力于安全、健康产品的研究，自主开发的以天然材料成分为主的耐热粘合剂和粘合性耐热涂层剂产品---&超级FX3200系列&和用该产品处理的日本柏日本杉板材，具备耐火性而不会燃烧、不会冒烟、不会释放有毒气体，是对人友好、让人感到放心、安全、满意的产品，在甲醛等化学物质引发的致病建筑综合症不断地危害人们健康的今天，越来越受到人们的关注和青睐。

Photosynthetic characteristics in leaves of Castanopsis hystrix saplings in Longyandong Forestry, Guangzhou, were studied during early summer and autumn under natural conditions by leaf gas exchange and chlorophyll fluorescence techniques.

用LI-6400便携式光合测定系统和PAM-2100便携式植物荧光分析仪分别在初夏和秋季测定了广州龙眼洞林场刺栲幼树叶片的气体交换和叶绿素a荧光参数。

Photosynthetic characteristics in leaves of Castanopsis hystrix saplings in Longyandong Forestry, Guangzhou, were studied during early summer and autumn under natural conditions by leaf gas exchange and chlorophyll fluorescence techniques.

用LI-6400便携式光合测定系统和PAM-2100便携式植物荧光分析仪分别在初夏和秋季测定了广州龙眼洞林场刺拷幼树叶片的气体交换和叶绿素a荧光参数。

Oil and gas prospecting in the Qiongdongnan basin of the South China Sea indicates the potential of plenitudinous natural gases.

琼东南盆地油气地质显示盆地内具有生物成因和热成因天然气的巨大生成能力和远景。

The solution in the reactor has uniform inner heat source, and there are tiny air bubble built, the whole system is running by natural convection and the driving of air bubble. The gas-liquid two phase flow and heat transfer are mutual effecting to become the complex pyrology system.

堆内溶液是一个具有均匀内发热源，并伴随有微小气泡均匀生成的自然对流和气泡驱动同时作用下的三维复杂两相流动的物系，气液两相流流场与传热温度场相互作用，产生复杂的热工水力现象。

Gas chromatography and mass spectrometry technique were employed to analyze the ginger oleoresin. This analysis resulted in the detection of 3 hitherto unknown natural compounds, 24 compounds previously reported as pungent compounds and 50 volatile compounds from ginger. The volatile compounds were mainly α-zingiberene (22.29%),β-sesquiphellandrene (8.58%),α-farnesene (3.93%),β-bisabolene (3.87%),α-curcumene (2.63%), which were mostly consisted of sesquiterpene hydrocarbons.

从姜油树脂中分析出77种化合物，其中挥发油成分50种，主要是α-姜烯(22.29%)、β-倍半水芹烯(8.58%)、α-法尼烯(3.93%)、β-没药烯(3.87%)和α-姜黄烯(2.63%)等倍半萜类化合物；姜辣素成分27种，主要成分为6-姜酚(9.38%)、6-姜烯酚(7.59%)和分析过程中由姜酚类或姜烯酚类化合物受热分解而形成的姜油酮(9.24%)。

According to the actual conditions, choose the proper index gas. And KJ-XL beam tube observation system is developed. The natural fire nonage forecast technique system composed of infrared detection, beam tube observation and coal temperature auto-observation scope, realizes the nonage forecast to the No4326 over length fully mechanised mining working face successfully, and reduces the fireproofing scope.

根据4326超长综放工作面的实际情况，选用了合适的指标气体，研制了KJ-XL束管监测系统，提出了以红外探测、束管监测和煤体温度自动监测系统为主的自然发火早期预测预报技术体系，成功地实现了4326超长综放工作面的早期预测预报，缩小了防火范围。

A motor/ generator cooling system that comprises condenser, liquid separator, lower liquid collecting ring pipe, insulating drainage pipe, stator bar, upper gas collecting ring pipe, balance tube, etc., the components, which is capable of carrying out natural circulation automatically.

以绝缘液体作为冷却介质，由冷凝器、回液管、下集液环管、绝缘引流管、定子线棒、上集汽环管、均压管等部件组成，并能自动实现自然循环的一种电机冷却系统。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。