hard acid
英 [hɑːd ˈæsɪd]
美 [hɑːrd ˈæsɪd]
n. 硬酸
双语例句
- These wines may taste rather hard and somewhat acid.
这些酒可能喝着比较冲并且有股酸味。 - A process of alkaline hard chromium plating on aluminum alloy was presented, including oil removal, dipping in heavy metal solution, acid pickling, dipping in zinc solution, hard chromium plating.
提出了一种铝合金碱性直接镀硬铬工艺，包括除油、重金属、侵蚀、锌、硬铬。 - The frontier orbital theory was used to explain the soft hard acid base principles, and the soft hard acid base principles were used to explain the stabilities of supramolecular chemical compounds.
运用前线轨道理论解释了软硬酸碱原理，并利用软硬酸碱原理解释了超分子化合物的稳定性，及电子原子种类对离子选择性的影响。 - The influences of bath components of workpiece lumen hard chromium electroplating such as chromic anhydride, sulfuric acid and trivalent chromium on deposit's performance were studied respectively. Deposit hardness decreases as the content of chromic anhydride is too high.
分别讨论了工件内腔镀硬铬液的组分&铬酸酐、硫酸和三价铬的含量对镀层性能的影响：铬酸酐的含量过高，镀层硬度降低。 - The influences of amount of seed emulsion, ratio of hard/ soft monomers, amount of acrylic acid, emulsifier and initiator on the emulsion polymerization, stability of emulsion and coating film properties were discussed.
研究了种子乳液的量、软/硬单体配比、丙烯酸、乳化剂、引发剂等因素对乳液聚合反应、乳液稳定性及涂膜性能的影响。 - Studies on the Treatment of Hard Seeds of Some Plants with Sulphuric Acid
硫酸处理药用植物硬实种子的研究 - The epoxy modified acrylate resin for sealant is prepared with methyl acrylate as hard monomer, butyl acrylate as soft monomers, acrylate acid as functional monomers and epoxy resin as modifier.
以甲基丙烯酸甲酯为硬单体，丙烯酸丁酯为软单体，丙烯酸为功能单体，环氧树脂为改性剂制备了密封胶用环氧改性丙烯酸树脂。 - Anodic Behaviors of WC-Co Hard Metal in Hydrochloric Acid Solution
WC-Co硬质合金在盐酸溶液中的阳极行为 - Soft and Hard Acid-base Theory and Its Application in Inorganic Chemistry
软硬酸碱理论及其在无机化学教学中的应用 - According to the characterization of slag, produced by treating hard metal waste, the process includes thses steps, such as oxidization, roasting, acid leaching, removing impurities with hydrolysis, depositing cobalt with ammonium oxalate.
根据硫酸钠熔炼法处理废合金所得钴渣组成特点，通过氧化焙烧、酸分解、水解除杂、沉钴和煅烧等工序制取氧化钴。 - In our country, the low concentration of sulfur dioxide smoke, which produced in the smelting of lead and antimony sulfides concentrates, is hard to make acid, and it caused serious environment pollution.
在我国铅、锑、铋冶炼生产中，产生大量低浓度二氧化硫烟气，难以制酸，造成严重的环境污染。 - Thermodynamics Research of Soft and Hard Acid and base Principle
软硬酸碱原理的热力学研究 - In fresh water lake, trace elements belonging to hard acid exist mainly as free ion.
在淡水湖泊中，属于硬酸的元素主要以游离离子存在。 - By hard anode oxidation, the film is obtained when industrial pure aluminum is in sulfuric acid solution, make the improvement in the traditional sulfuric acid hard anodizing craft foundation.
对工业纯铝在硫酸溶液中采用硬质阳极氧化的方法制取氧化膜的工艺进行了研究，在传统硫酸硬质阳极氧化工艺的基础上进行了改进。 - The excellent hard ferrite is prepared by the three kinds of the Dregs of sulfuric acid through physical and chemical treatment as well as oxidizing treatment in lower temperature.
本文介绍用三种不同成分的硫酸渣，通过物理、化学和低温氧化处理，制成性能优良的永磁铁氧体。 - This paper takes acetic acid calcium, hard fatty acid sodium as the solidification pharmaceutical separately, and develop two kinds of security, hygiene, convenient solid fuel& solid alcohol.
介绍了分别以醋酸钙、硬脂酸钠为固化剂，研制安全、卫生、方便的固体燃料酒精的方法。 - This paper introduces the hard chromium plating technology of low leveled chromic acid by adding rare earth additive to normal bath as well as the applicational situation and the economic benefits obtained.
介绍了标准镀铬液中加入稀土添加剂进行低铬酸镀硬铬工艺及应用生产情况，以及取得的经济效益。 - Effect of irradiation on tooth hard tissue and its resistance to acid
放射线对牙体硬组织及其抗酸溶解性影响的研究 - Hard and Soft Acid and Base Rule and Trace Elements in Body
软硬酸碱规则与体内微量元素 - Combining with the experimental results described above, the possible structures of the citrate complexes in ferrous alloy electrolytes were proposed for the first time based on soft hard acid and basic theory and complexing theory.
结合以上实验结果，应用软硬酸碱理论和配位理论，分别推测出酸碱体系下铁基合金电镀液中的柠檬酸盐络合物的可能结构； - According to our study, the Fukui function is not the only factor to determine the selectivity of a chemical reaction, while the principle of hard and soft acid and base in a local sense can be used to understand this kind of reactivity.
研究表明，Fukui函数不是决定反应选择性的唯一因素，而局域意义的软硬酸碱原理可用来理解此类反应性。 - The hard and soft acid base rule, classification, scaling of hard and soft acid and the theory were explained According to the rule elements are classifed into Lewis hard-medial-soft acids ( bases) in body.
阐述了SHAB规则、分类、酸碱软硬度的定量标度和理论解释。根据SHAB规则把体内微量元素分为Lewis硬酸、软酸与交界酸和硬碱、软碱与交界碱。 - This paper reports the production principle and technology of metals material using the disused hard iron-bounded alloy as materials, using the method of inorganic acid dissolving processing and combining to roast, precipitate, crystallize, reduce etc.
探讨了用无机酸处理废铁基硬质合金的方法，介绍了焙烧、浸取、水解、结晶和还原等过程参数，提出了分离合金组元、制取金属材料与化学试剂的原理和生产工艺。 - The high collecting strength and good selectivity of T-2K is explained using the theory of hard soft acid base and the theory of frontier molecular orbit.
用硬软酸碱理论和前线轨道理论解释了T-2K的高捕收能力和强选择性。 - It is very hard to obtain the solution of acid hydrolysis FRP tank cover as stiffened composite plate and shell by analytical method.
酸解罐玻璃钢盖子作为加筋复合材料板壳，应用解析方法很难求解。 - Through the definition, classify, base of theory and hard-soft degree discussed, this article points out that the rule about hard~ soft acid and base are important to study quantitatively those properties of some compounds.
通过对软硬酸碱的定义、分类、理论基础及酸碱软硬度的探讨，指出软硬酸碱原则对定量研究一些化合物性质有着重要的意义。 - In this study, we focus on a hard carbon material of bamboo charcoal. The bamboo charcoal samples are prepared by milling and sulfuric acid treating. The effect of particle size and sulfuric acid treated time on the electrochemical performance of bamboo charcoal is investigated.
本论文研究了竹碳这种硬碳材料，通过球磨和表面硫酸处理等方法改善竹碳材料的电化学性能，并比较了颗粒粒径和硫酸处理时间对竹碳电极的电化学性能的影响。 - Through thermodynamics analysis, manganese dioxide is hard to react with nitric acid and sulfuric, and the process is feasible.
提出拌酸熟化工艺处理高磷贫锰矿，经热力学理论分析，二氧化锰与浓硝酸和浓硫酸很难发生反应，该工艺处理高磷锰矿可行。 - Hard histological sections by the picric acid poinsettia stained periprosthetic bone mass in the experimental group no significant loss of the control group of periprosthetic bone less or even bone defects.
硬组织学切片通过苦味酸&品红染色显示实验组假体周围骨量没有明显的丢失，对照组假体周围骨量少甚至发生骨缺损。