其他空气污染物,如氧化剂、硫氧化物可能对心血管产生有害影响,但这方面证据不多。
Other atmospheric pollutants such as oxidants and sulfur oxides may produce adverse cardiovascular effects, but the evidence is limited.
用椭圆型喷淋吸收塔,氧化剂、碱吸收治理半导体工业废气中砷、磷、硫、氟、氯、氮氧化物及各种酸。
A dual absorbing tower shower containing oxidant and alkaline absorbant was used for removing arsine, phosphorus, sulfur, fluorine, chlorine and oxynitrides.
研究了硫代二丙酸二月桂酯的抗氧化效果、它与酚类抗氧化剂的协同性及其热稳定性和时间稳定性。
The antioxidative effect, thermal stability and time stability of dilauryl thiodipropionate (DLTP) were studied. The synergistic effect of DLTP and phenolic antioxidatant was also discussed.
氧化后的氧化剂转化为萃取溶剂,以移出硫氧化物和氮氧化物,因此,没有废酸形成的困扰。
Furthermore, the oxidant is converted into an extractive solvent for removing oxidized sulfur and nitrogen compounds from the oxidized petroleum oils after oxidation step.
以硝酸、磷酸为浸泡剂,在强氧化剂的作用下,对无硫膨胀石墨的制备进行了初步研究。
Study on preparation of sulphur-free expanded graphite was made using nitric acid and phosphoric acid as steep in strong oxidizing environment.
采用选择性氧化剂和还原剂对俄罗斯直馏柴油中的硫醚类硫化物和噻吩类硫化物分别进行分离和富集,得到两者的浓缩液。
Sulfur compounds in Russian atmospheric gas oil were separated into thiophene and thioether compounds by the oxidation-reduction method using selective oxidant and reducing agent.
推导硫氰酸盐体系浸金的热力学判据,从热力学角度分析和讨论氧化剂参与下硫氰酸盐浸金的反应过程,比较硫氰酸盐、硫代硫酸盐、硫脲和氰化物浸金的热力学判据和相关参数。
The thermodynamic criterion of the gold leaching with thiocyanate is deduced, the gold leaching reaction with thiocyanate in the presence of oxidant is thermodynamically analyzed and discussed.
以丙酮为溶剂,30%H2O2为氧化剂,两种体系催化苯甲硫醚氧化反应分别可以循环使用两次和三次,但产物亚砜的对映选择性很低。
The two catalytic systems can be recycled twice and three times, respectively, with very low enantioselectivities for the oxidation of phenyl methyl sulfide with 30% H2O2 as oxidant in acetone.
结论:地尔硫是一良好的抗氧化剂。
讨论了利用亚硫酸盐做氧化剂,在酸性条件下氧化处理制药厂的高浓度含硫废水。
The sulfite oxidation process under acid condition to treat concentrated H 2SO 4 bearing wastewater from pharmaceutical production is described.
以二苯硫醚为主要原料,以过氧化氢为氧化剂,在室温条件下氧化得到了二苯亚砜。
Biphenyl sulfoxide was prepared by the oxidation of biphenyl sulfide with hydrogen peroxide at room temperament in yield 98.7%.
以二苯硫醚为主要原料,以过氧化氢为氧化剂,在室温条件下氧化得到了二苯亚砜。
Biphenyl sulfoxide was prepared by the oxidation of biphenyl sulfide with hydrogen peroxide at room temperament in yield 98.7%.
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