In order to increase the reaction rate of the heterogeneous Fenton-like oxidation, the catalyst of Fe3+C2O4/R was used to catalytically decompose H2O2 for the removal of malachite green in aqueous solution under the visible light irradiation condition.
为了强化多相类芬顿反应的速率，在可见光下采用以草酸盐为配体的三价铁草酸络合物(Fe3+C2O4/R)为催化剂催化过氧化氢降解水中孔雀石绿。
A novel one-step green process for synthesis of glutaric acid by selective oxidation of cyclopentene was investigated.
研究了以环戊烯为原料、草酸为有机络合剂、H2O2为氧化剂，在催化剂钨酸(H2WO4)的作用下一步合成戊二酸的绿色新过程，考察了氧化剂的含量、反应物配比、催化剂用量、反应温度、反应时间等对反应的影响。
CO2 and H2S exist in the hydrocarbon zone and foramtion water, as the accompany gases of petroleum and nature gaso or components of formation water, which will cause corrostion to the cement sheath under certain conditions of humidity and pressure. It will decrease the cement sheath`s alkalinity, which results in the decrease of cement sheath`s strength, permeability increase, and places a premium on fluid channeling and borehole wall sloughs accident in plastic formation, shortening the oil- gas well`s production lifetime and giving rise to tremendous ecomonic losses.
CO2和H2S作为石油和天然气的伴生气或地层水的组分存在于油气层或地层水中，在一定的湿度及压力条件下会对固井水泥环产生腐蚀作用，从而降低水泥环的碱性，使水泥环强度下降，渗透率增大，并诱发流体窜流、塑性地层井壁跨塌等事故，从而缩短油气井的生产寿命，造成巨大的经济损失。
The results indicated that at lower pH value, the electrode process of carbon steel was mainly controlled by anodic dissolution, the Nyquist diagrams were composed of a capacitive loop at high frequency and an inductive loop at the low frequency.
利用极化曲线和阻抗技术，对低碳钢在不同pH值H2S溶液中的腐蚀电化学行为进行了研究。
The rising of solution temperature enhances the dissociation degree of HSiO3(superscript -) and H2PO(superscript 2- subscript 3), improving the conductions of solution and ion diffusivity, which increases the growing rate of coating, and the growing rates under 10℃, 20℃ and 30℃ are 0.35μm/min, 0.38μm/min, 0.41μm/min, respectively.
溶液温度升高提高了溶液中HSiO3和H2PO(上标 2-下标 3)离解程度，增强了溶液的导电能力和离子的扩散能力，使陶瓷层的生长速度加快，10、20和30℃下的生长速度分别为0.35、0.38和0.41μm/min。
The results showed that It was feasible to sulfurize hydrotreating catalyst by acidity gas. The bromine number was still less than 0.5gBr_2/100g when the concentration of CO_2 was up to 1.5 times concentration of H2S.
实验证明：酸性气作硫化介质对加氢催化剂进行干法硫化是可行的，当CO2浓度达到H2S 浓度的1.5 倍时，溴价仍满足工业溴价小于0.5 gBr2/100g 的要求。
Theoretical analysis and experimental results indicate that reaction of zinc with selenide as fully as possible under H2-O2 flame at about 1500℃ is the key step in the synthesis process and prolonging holding time at high temperature, which makes the diffuse reaction adequately take place, is favourable to obtain stoichiometry ZnSe polycrystalline.
理论分析和实验研究均表明：前期H2-O2焰下高温灼烧(~1500℃)使Zn和Se充分反应，是合成工艺的关键；延长后期恒温时间（不少于2周），使扩散反应进行完全，有利于获得更接近化学计量比的ZnSe多晶料。
An experimental study on liquid phase catalytic oxidation of low concentration H2S was presented in this paper.
用液相催化氧化法对低浓度H2S净化进行实验研究。
A suggestion is put forward to adding H2SO4 or (NH4)2SO4 into the mother liquor after calcium nitrate tetrahydrate separated for a further removal of residual Ca, thus the Ca content can be decreased to 0.35% from the previous 3.4%, and the viscosity of neutralized slurry to 0.04 ～0.08 Pa·s, with nice fluidity of slurry Water soluble phosphorus accoun ts to 88%～90%, and the process improves the adaptability of phosphate rock to nitrophosphate production.
提出分离四水硝酸钙后的母液加入H2SO4或(NH4)2SO4进一步除去母液中残钙，可使母液中钙含量由3.4%降到0.35%以下，中和器中料浆粘度可降到0.04～0.08 Pa·s，料浆流动性很好，产品中磷的水溶率可达88%～90%，并提高了硝酸磷肥生产对磷矿的适应能力。
It is concluded that the hydroxy group containing ZrW2O72(H2O)2 has suitable band structure and possesses the photocatalytic ability to split water.
本研究表明，包含 OH 基的 ZrW2O72(H2O)2 具有光解水产氢产氧能力，能带结构符合光解水要求，是一种新型的光解水材料。
Marc, and then have a product test. At the same time, we have analyzed the failure reasons of bonnet seal, calculated the bend of bonnet, and designed and test new structure bonnet seal. Further more, we have test and evaluated the trim H2S material performance at all.
Marc有限元软件对橡胶变形和应力进行了非线性分析，进行了产品型式试验；对侧门密封的失效原因进行了分析，计算了侧门变形，设计和试验了新型密封结构；对闸板胶芯橡胶材料的耐硫化氢性能进行了全面测试和评价。
It is found that the crystalline fraction increases with decreasing the hydrogen flow rate and reaches a maximum value at a low hydrogen flow rate.
以SiCl4和H2为气源，用等离子体增强化学气相沉积技术，在300℃的低温下，研究不同的氢流量对纳米晶硅薄膜生长特性的影响。
We have deposited the (100)-oriented diamond films on the silicon substrates by the microwave plasma equipment, from a gas mixture of methane and hydrogen.
以H2和CH4的混合气体为气源，用微薄等离子体设备，在硅片上生长具有(100)面金刚石薄膜。
Monofilm of silane on the surface of the glass substrates is prepared via the method of self-assembled monolayers, Hf (SO4)24H2O and HCI are used as raw materials, HfO2 thin films are prepared on the active groups of the alkyl silane by the liquid phase deposition.
利用自组装单层膜技术，在玻璃基板上生长有机硅烷单分子膜层，以Hf(SO4)24H2O和HCI配制HfO2前驱液，通过液相沉积在硅烷的功能性官能团上诱导生成二氧化铪薄膜。
Fly ash was investigated as a catalyst in the oxidation of P -nitro phenol with H2O2 at ambient temperature and pressure.
采用粉煤灰做催化剂，研究了在常温常压下对H2O2氧化对硝基酚的催化性能。
We first and foremost used the micronucleus test to rapidly evaluate the effects of cystamine and H2O2 administered separately or in combination, on radiation induced chromosomal damage in bone-marrow cells and Ehrish ascites tumour cells.
本研究工作首次应用微核测定技术快速评价胱胺和H_2O_2在照射前分别或合并使用时，它们对带瘤小鼠的骨髓细胞和艾氏腹水癌细胞染色体辐射损伤的影响。
TiO2 nanopowders were prepared by hydrothermal synthesis in distilled water, three small organic compounds (n -butyl alcohol, propane diacid and ethylenediamine) and three inorganic acids (HNO3, H2SO4 and HCl) using the titanium n-buoxide as raw material.
以钛酸四丁酯为原料，采用水热法分别以蒸馏水、有机小分子化合物(正丁醇、丙二酸和乙二胺水溶液)和无机酸(HNO3、H2SO4和HCl)为介质合成了TiO2纳米粉体。
Pressing is not suitable, while portable to collect heat and H2 gas.
相比于硫酸钠和氯化钾，氯化钠初温越高，经过相是较合理的溶质，而且当浓度大于0。
The 9 times of test on one soil sample in the same condition show that the method does not have exceptional data to be eliminated with the standard deviation 1.61 and variation coefficient 0.17. While the tests of to soil samples on their v0, v and K, reflect prominent relativity among them. The best concentration of c(H2O2) is 0.741 mol/L to measure CAT activity.
利用该方法对同一个土壤样品进行的9次重复实验结果表明，格拉布斯检验无剔除数据，标准偏差为1.61，变异系数为0.17，显示该方法简单、快捷、重现性好，精密度高；对20个土壤样本进行初始反应速度、最大反应速度、米氏常数测试的结果显示，它们之间的相关性显著，c(H2O2)=0.741 mol/L为最佳测试过氧化氢酶活性的底物浓度。
More appropriate electrochemistry reacts the condition is:訧 R-Ta/Ti is positive pole, electric stone Chinese ink board is zincous electrolyte for L-1 H2SO4 of cathode; 4mol ·, l-1 H2SO4 of · of 2mol · L-1 VOSO4-2mol mixes solution to be cathode electrolyte, electroanalysis at 1A 6h.
较适宜的电化学反应条件为：以Ir-Ta/Ti为阳极，导电石墨板为阴极；4mol·L-1 H2SO4为阳极电解液，2mol·L-1 VOSO4-2mol·L-1 H2SO4混合溶液为阴极电解液，于1A电解6h。