采用硫磷混酸分解试样测定钨精矿中钙的含量。
Determine the content of calcium with the mixed acidic thionation decomposition sample in the tungsten concentrates mineral.
结果表明:用浓硝酸或混酸对碳纤维表面改性的效果是显著。
The result shows that, the concentrated nitric acid and mix acid have a obvious effect to the chemical modification of carbon fiber surface.
研究了ZL10 2铝合金在硼酸酒石酸二元混酸体系中的阳极氧化。
The anodizing of ZL102 aluminum alloy castings was investigated in the mixed boric acid and tartaric acid solution.
根据我厂硝基氯苯的生产实践,概述了混酸组成、温度、搅拌等因素对硝化反应的影响。
According to the practice of nitrochlorobenzene production in our plant, the effects of composition of mixed acid, temperature and stir on nitrating reaction.
本文对朝阳地区的富钾页岩矿样在硫-氟混酸作用下浸出提钾的反应机理进行了系统的研究。
The experiment of extracting potassium from the potassium-rich shale by sulfuric acid in Chaoyang is completed.
不锈钢生产退火酸洗过程会产生大量废混酸(HF/HNO3),通过酸净化系统对废酸进行处理。
The stainless steel annealing and pickling process can product large quantity of waste mixed acid(HF/HNO3) that must be treated through acid purification system.
用于雕刻玻璃、清洗铸件上的残砂、控制发酵、电抛光和清洗腐蚀半导体硅片(与HNO3的混酸)。
Used for engraving glass, cleaning residue on the sand casting, controlled fermentation, power semiconductor wafer polishing and cleaning corrosion (with HNO3 mixed acid).
结果:混酸和硝酸能引起高空白吸收,赶酸不完全很容易引起样品测量值受酸影响导致测量结果不稳。
Results: The mixed acid and nitric acid can lead to high blank absorption was not entirely easy to catch acid caused by acid in the sample measurement instability caused by the measurement results.
结果证明使用混酸比单独使用CA作交联剂的防臭整理效果好,但比单独用BTCA的防臭整理效果差。
In this experiment I tried to use the mixture containing the same WT of BTCA and CA as the cross linking agent for anti-smell finishing.
对传统中和尾气吸收装置进行改造,利用磷酸吸收中和尾气中的气氨,循环吸收液重新返回混酸系统使用。
The absorption device of neutralization tail gas is improved by phosphoric acid absorbing gas ammonia in neutralization tail gas and circulation absorption fluid returning to acid mixing unit.
以苯并恶唑酮为原料,经混酸硝化、加压水解两步反应合成了2-氨基-5-硝基苯酚,总收率达70%以上。
The other intermediate of dyes, 2-amino-5-nitrophenol, was prepared by nitration and hydrolyze starting from benzooxozolenone. The total yield is over 70% and the purity 98.8% by the analysis of HPLC.
分别采用混酸和氯化亚砜处理,实现了对碳纳米管不同的官能化修饰,并对处理前后的碳纳米管进行了光谱分析。
The function modification of carbon nanotubes has been obtained by mixed acid and thionyl chloride treatment, spectral analysis present a contrast between treated CNTs and untreated ones.
阐述原料组分及杂质含量、料浆液固比、料浆中的SO3浓度、反应温度、料浆混酸浓度等因素对结晶控制的影响。
The effects of raw materials, impurities, liquid-solid rate in slurry, SO3 concentration, temperature, mixed acid concentration on crystallization are mainly presented.
用不同混酸对植物标样甘蓝进行消解并用ICP-AES法对其进行了定量分析,确定了各元素适合的样品处理方法。
The standard plant cabbage was digested by different mixed acid and determined quantitatively by ICP-AES in this paper, the suitable methods of digestion for different elements were confirmed.
通过混酸法制备了两种不同氧化剂体系的可膨胀石墨(EG),并采用膨胀容积和X射线(XRD)对EG进行了表征。
Two EG systems doped different oxidants were prepared by blended acid and characterized by expandable capacity and XRD.
通过正交试验,找出了二硝基物生成量的变化规律,并进一步摸索出间二甲苯混酸硝化制一硝基间二甲苯较适宜的硝化条件。
The change regularity of dinitride's resultant quantity was discovered in the nitrification ofm dimethyl benzene, and the optimal conditions were investigated.
以硝酸为氧化剂、硫酸为添加剂的混酸体系用于铜镍硫化矿尾矿中镍、铜、钴等有价金属的浸出,镍、铜、钴浸出率分别可达91。
A mixed nitric-sulphuric acids is used to recover the valuable metals ni, Cu and co from low-grade Ni-Cu sulfide tailings, the leaching rate of ni, Cu, and co is 91.
与油酸聚乙二醇酯相比,混酸聚乙二醇酯具有更优良的乳化性、润湿性,可以替代油酸聚乙二醇酯用于纺织、农药和化妆品工业中。
Compared with PEG Oleic acid ester, PEG MFA ester with good emulsion and wetting ability, was used as textile, pesticides and cosmetics industry.
研究了硝硫混酸配比、硝化反应时间、还原反应温度、还原反应时间等因素对产物收率的影响,该工艺具有生产成本低,产品质量稳定,收率高的优点。
Factors including ratio of mixed acid, nitration time, reduction temperature and reduction have been investigated, this process exhibits the advantage of low cost and high yield.
硅丙烯酸树脂是由硅树脂和丙烯酸单体反应而得到的产品,或是硅树脂和丙烯酸类聚合物的共混物。
Silicone acrylic resins can be either the reaction product of a silicone intermediate with acrylic monomers, or a cold blend of silicone resin and acrylic polymers.
观察组患者给予雷奈酸锶干混悬剂1袋,睡前口服,每日1次。
Observation group was additionally given 1 bag of Strontium ranelate dry suspension, orally before bedtime, once a day.
硫化体系采用酚酸树脂2402/氯化亚锡(8/0.5)、加入一定量的增塑剂邻苯二甲酸二辛酯和补强剂高耐磨炭黑,可获得性能较好的共混体。
A blend with better properties could be obtained by adding phenolic resin 2402/tin bichloride (8/0. 5) curative and a certain level of dioctyl phthalate plasticizer and HAF reinforcing agent.
对模拟苯胺浑浊水样的实验研究显示,高铁酸钾预氧化可有效提高PAC混凝的有机物去除能力。
And the tests of treating simulated aniline water sample indicated, that potassium preoxidation can enhanced the ability of PAC coagulation to remove organic matter.
李文应用裂解色谱法对丙烯酸酯等物质的共聚物与共混物进行了鉴定。
It relates to pyrolysis gas Chromatography to evaluate polyacrylic rubber and some other copolymer or blends.
采用傅里叶变换红外光谱表征了聚甲基丙烯酸丁酯(PBMA)共混改性有机硅树脂前后的结构特征;
The molecular structure of the silicone resin pre-and post-blending modification by poly (butyl methacrylate)(PBMA) was characterized by Fourier transform infra-red spectrometry.
研究了实验室制备的两种导电聚苯胺材料与乙烯-丙烯酸共聚物(EAA)的共混及共混物的导电性能和微观形态。
Studied in this paper were the conductive properties and the microstructure of two blends of polyaniline with EAA, doped with ethylene-acrylic acid copolymer and DBSA respectively.
另一个不寻常的景观在湖的东岸:救世军山一个由混凝土和手工混制的泥砖堆砌的100英尺的山,上面覆盖着丙烯酸涂料。
Another unusual sight near the lake's eastern shore is Salvation Mountain, a 100ft-high hill of concrete and hand-mixed adobe, covered with acrylic paint.
由于其脆性及混溶性差,用柔软的丙烯酸单体改性,可制得物理机械性能和外观优良的防腐蚀涂料。
Because of its brittleness and poor compatibility, it has been modified with a soft acrylic monomer to form a corrosion protective coatings with excellent mechanical properties and appearance.
通过叶面肥单施、混施试验,结果表明,地福来与皇嘉天然芸苔素混用、地福来与爱丰腐殖酸有机肥混用,壮秧效果较好。
The results showed the mixture of Difulai and Huangjia nature Brassinolide, the mixture of Difulai and Aifeng organic fertilizer whose effect of strengthen seedling were significant.
通过叶面肥单施、混施试验,结果表明,地福来与皇嘉天然芸苔素混用、地福来与爱丰腐殖酸有机肥混用,壮秧效果较好。
The results showed the mixture of Difulai and Huangjia nature Brassinolide, the mixture of Difulai and Aifeng organic fertilizer whose effect of strengthen seedling were significant.
应用推荐