二氧化硅SiO2
Admixture of a SiO2 carrier, however, decreases the propene selectivity somewhat.
然而，二氧化硅载体的掺加稍微降低了丙烯的选择性。
The result revealed that the hollow SiO2 microspheres exhibited great lubricity at low load.
结果表明，在较低载荷下，二氧化硅空心微球具有较好的润滑性能。
Natural SiO2 of mineral water can form a layer of protection membrane on the surface of the skin.
活泉中含有的天然二氧化硅能在肌肤表面形成一层可透气的保护膜。
The effect of the reaction conditions on the silver content of SiO2/Ag composites was also studied.
通过控制反应条件，可以调控载银二氧化硅的银含量。
The flexibility of the FAS modified SiO2 nanofibrous mats was studied by mechanical properties tests.
经力学性能测试发现，经FAS改性后的二氧化硅纳米纤维膜具有一定的柔韧性。
Thus it shows that the coexistence theory of slag structure is applicable to slag system Na2O-SiO2 too.
由此证明炉渣结构的共存理论对本渣系也是适用的。
Experiments show that, with this structure, more electrons are injected into the SiO2 under a low electric field.
试验证明，该样品在较低的电场强度下有较大的电子流注入二氧化硅绝缘层。
It is found that the chemical stability of the drug carrier can also be increased with the existence of SiO2 shell.
实验中发现通过在药物载体外包裹一层二氧化硅外壳，该药物载体的化学稳定性得到了显著的提高。
AIM: to establish an animal model and to investigate the effect of curcumin on SiO2-induced pulmonary fibrosis in mice.
目的：建立小鼠矽肺动物模型，探讨姜黄素在减轻小鼠矽肺纤维化中的作用。
The ink density of ink-jet printing paper containing acid-activated bentonite is similar to the sample containing pure SiO2.
含酸化膨润土的纸样色密度与纯二氧化硅的纸样相差不大。
The effects of SiO2 protective layers and annealing on the laser-induced damage threshold (LIDT) of the films are investigated.
文中对SiO2保护层和退火对Ta2O5薄膜的激光损伤阈值的不同影响进行了研究。
Besides, the corrosion resistance and cycle reversibility of zinc electrodes are improved by adding SiO2 sol in the electrolyte.
溶胶作用下得到的锌电极的微观表面较平整致密，没有出现较大孔洞，且耐腐蚀性和循环可逆性得到改善；
The studies on stability of PU-SiO2, PES-SiO2 suspensions and influence coagulant bath temperature on flat membrane were carried out.
研究了无机粒子填充聚合物悬浮铸膜液的稳定性及凝固浴温度对平板膜成形的影响。
By using pressureless sintering technique, the ceramics corundum abrasives through the doping of MgO and SiO2 additives were prepared.
以氧化镁和氧化硅为烧结添加剂，利用无压烧结工艺制备了陶瓷刚玉磨料。
Both SiO2 protective layers and annealing are beneficial to the damage resistance of the films and the latter is more effective to improve the LIDT.
SiO2保护层和退火都有利于提高Ta2O5薄膜的抗激光损伤能力，并且退火对提高阈值的影响更为明显。
This paper study the method of preparation of dry water by hydrophobic fumed SiO2 HB-630, and observe the appearance of water by micro-optical microscope.
本文系统研究了以疏水性气相二氧化硅HB-630制备干水的方法，采用微观光学显微镜对干水的形貌结果进行观察。
SEM impact fracture showed that powerful microcrack induction ability of nano SiO2 and nano CaCO3 was the main reason of enhancement and toughness for epoxy resin.
冲击断口的SEM照片显示，纳米二氧化硅和纳米碳酸钙诱发银纹的能力显著，是增强增韧环氧树脂的主要原因。
The acid resistance of cast iron enamel has been increased by milling addition of SiO2 nano-powder into the enamel without changing the cast iron enameling technology.
通过磨加方法，将纳米二氧化硅引入到铸铁搪瓷釉中，在不改变铸铁搪瓷釉工艺性能的条件下，提高铸铁搪瓷的耐酸化学稳定性。
The content of SiO2 was determined according to the difference between the two weights. The two methods are both classic, accurate and reliable and can be widely used.
两种分析方法均为经典化学分析方法，其分析结果准确可靠，并且具有广泛的使用性。
A systematically analytical method to determine the content of absorbed water, bounded water, SiO2, Al2O3, Fe2O3 and TiO2 in the aluminum silicate fillers was introduced.
介绍一种测定硅酸铝系列填料中吸湿水、结合水、二氧化硅、三氧化二铝、三氧化二铁及二氧化钛等成分的系统分析方法。
On the other hand, the tenacity, conductivity and shear strength of conductive adhesive were enhanced by the incorporation of SiO2/Ag composites into conductive adhesive.
同时，在引入载银二氧化硅后，导电胶的韧性、导电性和剪切强度得到有效改善。
Measurement of tensile strength , modulus and strain of nanometer SiO2/epoxy composite materials was conducted using self-designed tensile testing jigs at room temperature and 77K.
通过使用本实验室设计的低温拉伸夹具，测定了纳米二氧化硅改性环氧树脂复合材料在室温和液氮（77K）环境下的拉伸强度、弹性模量和延伸率。
SiO2-JX could replace short glass fiber in the modification of PA6, improving the heat distortion temperature, removing the appearance of glass fiber, reducing shrinkage and the cost.
晶须矽可取代短玻纤使用，提高热变形温度、消除玻纤外露，降低收缩率及生产成本等。
The mesoporous adsorbent material of the invention has orderly mesoporous opening structure and composition of SiO2; amino modification of the surface of the material can be carried out.
本方面的介孔医用吸附剂材料具有有序介孔孔道结构，组成成分为二氧化硅，表面可进行了氨基改性。
On the basis of this calculation, the impact of the SiO2 buffer layer thickness on the characteristic impedance and dielectric constant in the modulator with a ridge structure is obtained.
在此基础上得出了脊波导结构调制器中缓冲层厚度对特征阻抗和有效介电常数的影响特性。
Conclusions high content of SiO2 and the tiny granule in the dust has strong effect on inducing the pulmonary fibrosis. Thus quartz powder processing was a high occupational hazard industry.
结论硅粉生产由于粉尘中游离二氧化硅含量高、粒度细、致肺纤维化作用强，是一个职业病危害极大的行业。
Conclusions high content of SiO2 and the tiny granule in the dust has strong effect on inducing the pulmonary fibrosis. Thus quartz powder processing was a high occupational hazard industry.
结论硅粉生产由于粉尘中游离二氧化硅含量高、粒度细、致肺纤维化作用强，是一个职业病危害极大的行业。
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