Alkylphenol polyoxyethylene ether sodium sulfates were synthesized by alkylphenol polyoxyethylene ether non-ionic surfactant.

II. sulfid, include yellow iron ore, white iron ore , yellow bronze ore, yellow tin ore etc.

含铁硫化物的矿物有黄铁矿 、 白铁矿 、 黄铜砂 、 黄锡矿等.

These effects are antagonizeed by sodium sulfide.

这些效果被硫化钠中和了.

Don't use the devices with rubber cushion or avoid black sulfide pollution.

因橡胶容易磨损,橡胶垫、橡胶轮子的设备最好不要使用.

Sulfide in veinlets accounts in places for a considerable part of the total.

细脉中的硫化物在有些地方,占总量的相当大的部分.

A yellowish-brown nickel iron sulfide that is the principal ore of nickel.

一种矿物(铁镍硫化物),是镍的主要矿石.

The extraction behavior of dialkyl ( aryl ) Sulfides may be controlled by polar and steric substituents effects.

二烃基 ( 基 ) 醚的萃取行为受极性和空间取代基效应的控制.

The mineralization of silver at the late stage of formation of sulfides, i. e.

银形成于硫化物成矿后期的硫锑铅矿─方铅矿─ 黄铜矿 ─银黝铜矿阶段.

In contrast, transition-metal sulfides are less reactive and susceptible to poisoning and can show higher selectivity.

相反, 过渡金属硫化物作为催化剂反应活性低、不容易中毒显示了很高的选择性.

These sulfides can cause illness, however at levels about a thousand times greater than that.

这些硫化物具有致病性, 但前提是,把可乐中含有的残留量乘上一千倍.

Interest in transition-metal sulfides arises from their significance in industrial catalysis and biology.

过渡金属硫化物在工业催化和生物和上的重要性引起了广泛的研究兴趣.

Sulfur often combines into sulfides or sulfates.

硫磺,往往结合成硫化物或硫酸盐.

Carbon steel -- Very good mechanical properties; good resistance to stress corrosion and sulfides.

碳钢 -- 具有很好的机械特性; 良好的抗金属超应力腐蚀的能力和抗硫化物腐蚀的能力.

The Xitan gold deposit is of a quartz vein-type with little sulfides.

西滩金矿属少硫化物石英脉型金矿.

The soluble sulfides are unstable, while the stable sulfides are unsolvable.

可溶的硫化物都不稳定, 稳定的硫化物都不可溶.

It's from sulfides, like from silver coins.

这是硫化物, 像银币表面上的那样.

The structure, properties, and applications of transition metal sulfides IF nano-materials , i.

系统的介绍无机类富勒烯金属硫化物纳米管、纳米洋葱及其 纳米 复合物的结构 、 性质和应用.

The sulfite is a wide used additive . It will hurt human's health to eat too much.

亚硫酸盐是一种用途广泛的食品添加剂,若摄入过多则对人体的健康产生损害.

The inhibition of pyrocatechol on sulfite oxidation was investigated by oxygen removal and air oxidation tests.

通过除氧试验和空气氧化试验,研究了焦儿茶酚对亚硫酸盐自动氧化的阻滞作用.

Therefore, it is feasible to substitute conventional alkaline deinking by near-neutral sulfite deinking in plant.

因此, 近中性亚硫酸钠脱墨代替常规的碱性脱墨在纸厂是可行的.

This paper also discusses the possible reaction mechanism by using sodium sulfite as reducing agent.

讨论了以亚硫酸氢钠为还原剂的可能的反应机理.