Among the common toxic gases are sulfur dioxide, methane, the oxides of nitrogen, ammonia, hydrogen sulfide, and hydrogen cyanide; and ( most commonly) carbon monoxide. 常见的有毒气体有二氧化硫、甲烷、氧化氮、氨、硫化氢、氰化氢以及最常见的一氧化碳。
The reaction produced some oxides and other by-products. 该反应产生了几种氧化物和其他伴生物。
Perovskite-type oxides have attracted particularly attentions because of their special applications in environmental protection and energy resource. 钙钛矿型复合氧化物作为一种与环保和能源课题密切相关的新型材料,引起了国内外许多科研人员的关注。
Sulphur Oxides and Nitrogen Oxides are two major emissions released in the flue gas of coal-fired power plants. 硫氧化物和氮氧化物是燃煤电厂烟气中两种主要的污染物。
Amorphous iron oxides in soil were determined by hydroxylamine extraction-spectrophotometry. 采用羟胺浸提-可见分光光度法测定了土壤无定形铁。
Because it reacts easily with oxygen in the air to produce crumbly red iron oxides. 因为它非常容易和空气中的氧气起反应,生成易碎的红色氧化铁。
Bases include oxides and hydroxides of metals and ammonia. 碱包含金属和氨的氧化物和氢氧化物。
Effects of rare earth oxides on weathering-resistance of PP were studied via the changes in mechanical properties. 通过测试复合材料自然老化实验前后力学性能的变化,研究了稀土氧化物对聚丙烯(PP)老化性能的影响。
Chromium oxides and hydroxides. 铬的氧化物及氢氧化物。
The models of "metal oxides glass" of joining structure and ions diffusion bonding are indicated. 提出了金属氧化物过渡层玻璃的接头结构形式及静电场条件下离子扩散及接合模型。
Sulfur dioxide and nitrogen oxides are the main gas emissions of the smoke and waste gas. 二氧化硫和氮氧化物是烟气的主要气体排放物。
In the spark-ignition engine, recirculating some of the exhaust gas reduces the emission of nitrogen oxides. 在火花点火的发动机中,再循环的一部分废气减少了氧化氮的有害污染物。
Study on the Structure and Properties of Iron and Aluminum Oxides Doped with Boron 负载硼的铁铝氧化物的结构和性能的研究
The oxides of nitrogen can have deleterious effects on materials, vegetation, and animal and human life. 氮的氧化物对物质、植物、动物和人类生活有毒害效应。
The influence of middle rare earth oxides on the activity of Pd catalyst has been discussed in this article. 本文研究了中稀土氧化物对钯催化剂活性的影响。
This paper is mainly about the synthesis and characterization of a new type of Fe-based metal compound oxides. 本论文主要合成了一类铁基金属复合氧化物,并对其性质进行了研究。
Cyanides, cyanide oxides and complex cyanides. 氰化物、氧氰化物及氰络合物。
Sulfur dioxide and nitrogen oxides also cause acidic precipitation, commonly called acid rain. 二氧化硫和氨氧化物引起酸性降雨,常称为酸雨。
To recover iron from its ores, the oxides are reduced by heating together with coke and limestone. 为了从矿石中提炼铁,必须在铁氧化物中加焦炭和石灰石进行加热,还原出铁来。
A gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende. 一种橙色粘性的铀氧化物和硅酸盐的混和物,由沥青油矿在水合作用和氧化作用下天然形成。
No impurities, such as residual chemical agents and oxides were detected by XRD analysis. XRD分析没有检测到诸如残余化学试剂和氧化物之类的杂质。
Light greenish-blue pigment consisting essentially of oxides of cobalt and tin. 浅的绿蓝色颜料,主要由钴和锡的氧化物组成。
It is the result of sunlight reacting with hydrocarbons and nitrogen oxides in the atmosphere. 它是阳光与大气中的碳化氢和氧化氮作用的结果。
A special clay containing iron and manganese oxides, used as a pigment for oil and watercolor painting. 一种特殊的粘土,含有铁和氧化锰,用作油画及水彩画的一种颜料。
High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful. 人们早已知道,二氧化硫、氮、氧化物和尘埃浓度高是有害的。
The investigated anode materials include modified carbons, nitrides, silicides, oxides and novel alloys. 研究的负极材料主要有:改性碳材料、氮化物、硅化物、氧化物和新型合金。
Occurrences of rare earth oxides in the cover flux are mainly rare earth silicates. 稀土氧化物在覆盖剂中主要以稀土硅酸盐形式存在;
With the exception of gold, the surfaces of metals are never observed but only their oxides. 除金之外,从来看不到金属的表面而仅能看到它们的氧化物。
It contains automobile exhaust fumes and nitrogen Oxides changed by the sun's rays. 这种烟雾含有汽车排放的废气和被阳光照射后发生变化的氧化氮。
One obvious remedy is to reduce emissions of sulfur and nitrogen oxides to the atmosphere. 减少硫氧化物和氮氧化物向大气的排放量是一个有效的治理措施。