Objective To study the effect of SiO 2on the expression of MMP-9 in human alveolar macrophages.
①目的 探讨二氧化矽 (SiO2 )对人肺泡巨噬细胞基质金属蛋白 (MMP - 9)表达的影响。
Studies on photocatalytic property of Fe,Co and Ni hydroxide;
铁钴镍氢氧化物的光催化性能研究
Studies on the Correlation Between Structural Parameter S and Solubility of Hydroxide;
结构参数S与氢氧化物溶解度的相关性研究
The New Acidity/Basicity Scale of Elements' Hydroxides;
衡量氢氧化物酸碱性的一种新标度
The universal scale 'ψ' of strength of hydroxides(Ⅱ);
氢氧化物酸碱强度的统一标度(Ⅱ)
According to the equilibration principle of electronegativity,a new scale for acid-basecapacity of hydroxides is established in the peper.
应用电负性均衡原理，建立一种新的标度氢氧化物（包括含氧酸）酸碱性强弱的定量方法。
The results suggest the following sequence of 18O-enrichment in the common hydroxides: limonite＞gibbsite＞goethite＞brucite＞diaspore.
应用增量方法计算了氢氧化物族矿物的氧同位素分馏，得到常见氢氧化物的18O富集顺序为：褐铁矿＞三水铝石＞针铁矿＞水镁石＞硬水铝石。
The principle and the main parameters of the dry etching for silicon dioxide are introduced.
阐述了二氧化矽干法蚀刻的原理和主要的蚀刻参数。
The influence of nano-silica on the properties and microstructure of corundum castable is studied.
研究纳米二氧化矽的加入对刚玉浇注料性能与结构的影响。
In@ SiO2 nanocables were discovered accidentally as we researched in InP nanowires growth.
二氧化矽包覆铟之一维奈米结构的发现，是在成长磷化铟奈米线之偶然情况下被合成出来的。
This is because nano-silica can accelerate the sintering process and promote the densification of corundum castble.
这是由于纳米二氧化矽能够促进刚玉浇注料的烧结，使结构致密化所致。
HF-based solution is widely used for cleaning and wet etching SiO2 in pre-diffusion clean process.
以氟化氢为基础的溶液被广泛地用在扩散前清洗工艺中的二氧化矽清洗与蚀刻中。
The lithographic and etching process for a membrane creates a mesh of metal wires with silicon dioxide filling the space between them.
薄膜先以微影及蚀刻制程制作出金属线路，线路之间则填入二氧化矽。
The greater the degree of exposure to silica and increasing length of exposure determine the amount of silicotic nodule formation and the degree of restrictive lung disease.
暴露于二氧化硅的强度越大，暴露时间越长，决定了矽肺结节的数目及肺疾病的发展。
Influence of UVB irradiation on oxidative damage of experimental silicosis rat
中波紫外线对实验性矽肺大鼠氧化损伤影响
Experimental Study of Oxygenation/Antioxygenation Imbalance in Silicosis by Salvia
丹参对矽肺体内氧化/抗氧化失衡影响的实验研究
fluosilicic acid
ph.1. 【化】氢氟矽酸
ferric oxide
三氧化二铁, 氧化铁
sulphurous anhydride [ oxide ]
二氧化硫, 亚硫酐
Study on Fe_2O_3-MnO_2-TiO_2/γ-Al_2O_3 oxidative catalyst for organic wastewater
有机废水氧化催化剂氧化铁-二氧化锰-二氧化钛/γ-氧化铝的研究
diisopropyl peroxy dicarbonate
过氧化二碳酸二异丙酯
dicyclohexyl peroxydicarbonate
过氧化二碳酸二环已酯
having carbonation (especially artificially carbonated).
有二氧化碳的（特别是人造二氧化碳的）。
Treatment of 2, 4-dichlorophynoxyacetic Acid by Catalytic Ozonation;
催化臭氧氧化2，4-二氯苯氧乙酸
A CORRELATION OF DATA ON DEOXIDATION BY Si, Al, AND Mn WITH THE NATURE OF DEOXIDATION PRODUCTS
矽、铝、锰脱氧数据与脱氧产物组成的关系