Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.
提出了磷化钼常压制备工艺,包括溶胶-凝胶法制备负载型磷化钼催化剂前体及在常压下以氢氮混合气为还原剂的催化剂前体还原。
An asphyxiating mixture of gases, primarily nitrogen and carbon dioxide, left in a mine after a fire or an explosion.
爆后废气火灾或爆炸后,残留在矿井中的一种令人窒息的混合气体,主要含氮气和二氧化碳。
The resultant cold, gaseous nitrogen is now injected into the engine's cylinder (see diagram) along with a mixture of water and glycol, known as a heat-transfer liquid, that is at room temperature.
由此产生的冷冰的气态氮被注入发动机汽缸(见图)。与此同时,乙二醇与水的混合物也注入其中,这种混合物是一种常温环境下的“传热液体”。
The most commonly used work gas: argon, nitrogen, oxygen, air and H35, argon-nitrogen gas mixture, etc.
最常用的工作气体有:氩气、氮气、氧气、空气以及H35、氩-氮混合气体等。
The bulk fraction is a mixture of methane, carbon dioxide, hydrogen, nitrogen and oxygen. These are measured in terms of percentage by volume.
主要成分是甲烷,二氧化碳,氢气,氮气和氧气的混合气体,这些成分的含量一般用所占填埋气的体积比来表示。
I was surprised to notice that air consumed is not used as a factor for nitrogen absorbed when the type of air mixture (nitrox or heliox) is.
我很惊讶地发现当使用混合气体(氮氧或氦氧)时耗气量没有作为氮气吸收的一个指标。
The results show that MC1 mixture resisted to some plant pathogenous fungi, and it did not show effect on nitrogen fixation and phosphorus dissolving capacity.
本研究未能证明MC1具有固氮和解磷能力,而对黄瓜枯萎病和番茄枯萎病菌具有明显的抑制作用。
Mantle fluid is a mixture of gases and volatiles at equilibrium with its host mantle ambience and it is mainly composed of carbon, hydrogen, oxygen, nitrogen and sulphur (CHONS).
地幔流体是与地幔环境处于平衡的气体和挥发分。其主要化学组分为碳、氢、氧、氮、硫(CHONS)。
Dry air is a mixture of gases, most of which is nitrogen by volume.
干燥空气是多种气体的混合,按体积计,大部分是氮气。
Dry air is a mixture of gasses, most of which is nitrogen by volume.
干燥空气是多种气体的混合物,按体积计,大部分是氮气。
Said aim is achieved by using a gas mixture of nitrogen and hydrogen as a test gas and inspecting the cooling circuit by means of a hydrogen probe once a drop in pressure has been recorded.
本发明的任务如下解决,将氮气和氢气 构成的气体混合物应用作为检验气体,并且在记录到制冷剂循环系统的压力下 降之后采用氢气探头进行查找。
A type of cement used in a cement job that is made of a mixture of cement slurry and nitrogen in the gas state.
由水泥浆与氮气混合而成的在固井作业中使用的一种水泥。
Gallium nitride single crystal is grown in atmosphere composed of gases mixture 'B' containing nitrogen gas at a pressure of 300 atms or higher and 2000 atms or lower.
在包含含有氮气的混合气体b的气氛下,在总压为300气压以上、2000气压以下的压力下,生长氮化镓单晶。
The plasma spraying experiments were carried out using various argon-nitrogen volume mixture ratios, and the corresponding coatings were obtained.
采用了不同的氩氮体积混合比进行等离子喷涂实验 ,并获得相应条件下的涂层。
The plasma spraying experiments were carried out using various argon-nitrogen volume mixture ratios, and the corresponding coatings were obtained.
采用了不同的氩氮体积混合比进行等离子喷涂实验 ,并获得相应条件下的涂层。
应用推荐