所以氧气并不能在空气中堆积很长时间,因为它被易氧化的石头吸收了。
The oxygen did not build up in the atmosphere for a long time, since it was absorbed by rocks that could be easily oxidized (rusted).
针对钛材焊接时易氧化的特点,提出了相应的保护措施,实际应用取得了较好的效果。
In accordance to the performance of titanium material being easy to oxidize during weld, the corresponding protection was proposed. The fairly good effect was obtained in the actual application.
在环氧化反应中,利用价廉、易制备的过氧甲酸以几乎定量的收率得到了环氧化合物。
The use of performic acid, an affordable and easily prepared reagent, in epoxidation led to quantitatively the target epoxide.
但因为钴氧化物是如此的昂贵且易起反应,大多数专家认定它是不适于在混合动力或者全电动汽车中大规模使用的。
But since cobalt oxide is so reactive and costly, most experts deem it unsuitable for widespread use in hybrid or electric vehicles.
油液氧化形成胶状沉积物,易堵塞滤油器和液压阀内的小孔,使液压系统不能正常工作。
The fat liquor oxidation forms the porodine deposit, easy to stop up in the oil filter and hydraulic valve's eyelet, enables the hydraulic system the normal work.
当工艺参数不恰当时,该区域层间易产生氧化物和杂质物的富集。
When the process parameters are not appropriate, the oxide and impurity congregate between the layered microstructures.
并与原工艺路线次氯酸钠氧化法比较,得出新方法具有工艺简单、成本低、废水少且易处理等优点的结论。
The title process is simpler in technology, lower in cost, less and easier to be treated for its wastewater as compared with the original process of oxidation with NaClO.
研究结果表明化学结构适易的烷氧基苯甲醛氧化产率大于90 %。
The experimental results indi- cate that oxidation yields of some alkyloxybenzaldehydes are above 90 % .
由于纳米粒子的表面效应,用化学沉淀法制备出的纳米氧化物的前驱体在干燥过程中易形成团聚,不易采用传统的加热方法干燥。
Due to the surface effect of nano particle, the precursor of nano oxide prepared by chemical precipitation method can form aggregation easily, and so can not be dried by usual techniques.
已确定的三阶非线性光学易感性的二元氧化物玻璃的增加与减少光学电。
It has been established that third order NLO susceptibility of binary oxide glasses increases with decreasing optical electronegativity.
影响环境的因素有:个旧原生矿床富含多金属硫化物,氧化后易生成酸;
Factors affecting environment include: Gejiu primary mineral is rich in multi-metal sulfide, which is easy to become acid as the result of oxidation.
土壤活性有机碳是指土壤中移动快、稳定性差、易氧化、矿化,并对植物和土壤微生物活性较高的那部分碳,常可用水溶性有机碳、微生物量碳和易氧化碳等来进行表征。
Soil labile organic carbon (LOC) refers to the fractions of organic carbons that are easy to move and to be oxidized and mineralized, and they are quite available to plant and soil microorganisms.
谷胱甘肽的固体状较为稳定,其水溶液在空气中易被氧化。
Glutathione more stable solid form, the aqueous solution easily oxidized in air.
讨论试验条件对丁基橡胶抗生素瓶塞易氧化物测定结果的影响。
The paper discussed the effect of test conditions on measurement result of oxidables of butyl rubber bottle stoppers.
橡套软线铜导线易产生氧化,分析产生氧化的原因,探讨防止氧化的方法。
The copper conductor in cabtyre cord is easily to be oxidized. This paper explores the cause of the oxidation and measures to prevent it.
该溶剂具有无怪味、无毒、无腐蚀、抗氧化、价格低、易再生可循环利用等优点。用它作溶剂可制得高质量、高收率的铜酞菁,收率达98%。
The solvent is no strange odour, no corrosion, no toxicity, antioxidization, low price and easy recovery, CuPc had been obtained with high quality in 98% yield.
其中钕铁硼磁钢化学稳定性较差,在磁滚筒内潮湿的空气中,易出现表面氧化逐步分层剥落的现象。
One ndfeb magnets chemical stability is poorer, in magnetic drum in humid air, easy appear on surface oxidation gradually layered peeling phenomenon.
具有此三次结构的水合二氧化硅透明性好,易被破碎、分散。
Hydrated silicon dioxide with such three layers structure has good transparence and is easily crashed and dispersed.
镍、钴、铋水解成相应的氢氧化物,具有设备简单、易操作、成本低的特点。
Nickle, cobalt and bismuth are turned into corresponding hydrated oxide by hydrolysis.
研究了钴、镍在硫酸盐、碳酸盐、硫化物、易溶硅酸盐、铁氧化物及难溶硅酸盐相态分析的新流程。
A new procedure is used in the phase and state analysis of cobalt and nickel in sulphate, carbonate, sulphide, easy dissoluble silicate, ferric oxide and hard dissoluble silicate phases.
锌是一种很易结晶的半导体氧化物。
作为一种天然抗氧化剂,动物源性抗氧化肽由于其原料来源广、安全性高、易吸收等特性而成为国内外研究的热点。
As one type of natural antioxidants, animal-derived antioxidative peptides have become the hotspot for its abundant sources, high safety and absorption easily.
不饱和脂肪酸的双键易发生氧化反应,并产生不良气味。
OxidATion of milk fAT may occur AT the double bonds in the unsATurATed fATty acids, giving rise to undesirable flavours (see flavours).
详细阐述了过氧化氢生产中几个关键工序(氢化、氧化、萃取和后处理)的作用及易出现的问题。
The functions and problems in the key sections, such as hydrogenation, oxidation, extraction and post-treatment etc. are stated in detail.
该试剂制备简单,用于对苯偶姻的氧化,高收率地得到相应的苯偶酰类化合物,并且反应条件温和,产物易分离。
This reagent was easily prepared. The oxidation condition was mild and the products were easily separated with high yields.
催化剂容易制备和使用,易于回收并再用,且它们能以很好的收率高选择性地 将烯烃转化成环氧化物。
The catalysts are easy to prepare and use, they are easy to recover and reuse, and they convert olefins to epoxides in good yields with high selectivity.
催化剂容易制备和使用,易于回收并再用,且它们能以很好的收率高选择性地 将烯烃转化成环氧化物。
The catalysts are easy to prepare and use, they are easy to recover and reuse, and they convert olefins to epoxides in good yields with high selectivity.
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