heavy acid
英 [ˈhevi ˈæsɪd]
美 [ˈhevi ˈæsɪd]
【化】磷钨酸
双语例句
- The South china become the third largest region with heavy acid deposition after Europe and North America.
我国南部地区已成为继欧洲、北美之后世界第三大酸雨区。 - 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 chemical behaviors of heavy metals in contaminated environment affected by acid rain are reviewed.
摘要综述了酸雨对污染环境中重金属化学行为的影响。 - Where the area is susceptible to heavy rain, acid rain, lightening strikes, can all be measured from this system.
景区哪里容易刮大风、下暴雨，哪里酸雨比较大、容易遭雷击，都可以从这一系统中找到答案。 - In Quanzhou Urban, there is heavy acid rain pollution with little difference in districts and obvious changes throughout the year, the main kind of acid rain is sulphuric acid rain.
泉州市区酸雨污染严重，酸雨地域差异小，年内变化明显，酸雨类型主要是硫酸型。 - The Salt-tolerance of Sodium Nonyl Phenol Polyoxyethylene Ether Sulfonates and Their Mixtures with a Heavy Alkylbenzene Sulfonate Treatment of Waste Acid from Sulphonation Process in the Production of DSD Acid
壬基酚醚磺酸钠及其与重烷基苯磺酸钠复配物的耐盐性乙烯撑二氨基苯磺酸生产中磺化废酸的处理 - Like average amphibians, with its naked skin of no protection by leather and fur, the tree frog is very sensitive to environment pollution by heavy metal, chemicals and acid rain.
树蛙和一般两栖类一样，皮肤裸出，没有毛皮的保护，所以对生活环境中重金属、农药与酸雨等污染十分敏感。 - Determination of Several Kinds of Heavy Metals in Soil of Jianshui Acid Megranate Producing Area
建水酸石榴产地土壤中几种重金属含量的测定 - Speciation and Bioavailability of Heavy Metals in Paddy Soil Irrigated by Acid Mine Drainage
酸性矿山废水污灌区水稻土重金属的形态分布及生物有效性 - Leaching remediation of a heavy metal contaminated soil using tartaric acid
利用酒石酸土柱淋洗法修复重金属污染土壤 - The comprehensive amelioration of heavy acid paddy soil
重咸酸田的综合治理研究 - Used 4-methyl-2-pentanone as extractant, heavy chromic acid group was extracted in the electroplating wastewater in which aluminum ion and chromium compond coexist. And then aluminum ion was analyzed with EDTA complexometry. The analysis result was satisfying.
针对铝离子和铬化合物共存的电镀废水，采用4-甲基-2-戊酮作为萃取剂分离六价铬，EDTA络合滴定法测定铝含量，分析结果令人满意。 - Constitution analysis of heavy turpentine oil treated catalytically by heteropoly acid
用杂多酸催化处理的重质松节油组成分析 - The content of the heavy metal Hg was highest in the acid dissolvable phase, lower in the organic phase and more lower in the water dissolvable phase, it was lowest in the exchangeable phase.
重金属汞在酸可溶相含量最高，有机相次之，然后是水可溶相，而可交换相最低； - Pollution of Heavy Metals from Slag of Sulfuric Acid
硫酸废渣的重金属污染 - Preparation of emulsifying agent for heavy oil from petroleum acid
以石油酸为主要原料的重油乳化剂的研制 - The technique using acid retardation to retrieve heavy metal and acid from waste liquors was represented in this paper.
本文提出酸阻滞法从废液中分离、回收重金属和酸的新技术工艺。 - Humic acid widely exist in natural water. In the past, the researches on humic acid in water were mostly concentrated on the toxic heavy metal adsorption and humic acid removal in natural water.
在天然水中普遍含有腐植质，过去，在水环境方面，对水体腐殖酸的研究主要集中在腐殖酸对有毒重金属的络合吸附和对水中腐殖酸的去除上。 - The residue is steady, is not destroyed in the strong acid or the alkaline solution and no secondary pollution, the residue releases the heavy metal ion again, can utilize this characteristic to retrieve the heavy metal after the dense nitric acid is dealt with;
残渣稳定，在强酸或碱性溶液中不被破坏，无二次污染，残渣经浓硝酸处理后，重新释放出重金属离子，可利用此特性回收重金属； - The research of feed grade calcium phosphate with Yunnan phosphate rock that has lower heavy metal by the formula phosphate rock-phosphoric acid-fluoride-free agent ( AMP) has been described. The best condition has been gotten through trials.
以云南低重金属磷矿为原料，按磷矿-磷酸-脱氟剂（AMP）工艺配方制备饲料级脱氟磷酸三钙进行了试验，取得了最佳工艺控制条件。 - Through continuous bathe equilibrium experiments, the release of aluminum and dissolved organic matter ( DOM), and mobility of heavy metals affected by simulated acid rain in contaminated acidic red soil and yellow red soil were studied.
在模拟酸雨作用下，研究了重金属污染和未污染的酸性红壤和黄红壤中铝和水溶性有机质的溶出以及对重金属活动性的影响。 - Chemical characteristics of heavy metals and their relationships with acid buffer capacity of soils in residential sites in Hangzhou city, Zhejiang Province
杭州市居民区土壤重金属的化学特性及其与酸缓冲性的关系 - Interaction between heavy metals and humic acid& quarsi-particle surface complexation model
重金属离子在腐殖酸表面的吸附&类颗粒表面吸附模型 - Since there are so many industrial dust and all kinds of heavy metal irons in smelting gas of acid making, the wastewater is always of high acidity and multi-hazardous substances which is emitted by the production process of the sulfate.
由于制酸冶炼烟气含有大量的工业粉尘及各种重金属离子，在制酸过程中排放的废水具有酸度高而使中和处理困难、SS及重金属离子含量高难以循环利用。 - The contents were in compliance with USP27/ NF22, which included identification, loss on drying, residue on ignition, heavy metals, free acid and content of acetyl.
内容基本依照美国药典（USP27／NF22）CA项，包括鉴别、干燥失重、炽灼残渣、重金属、游离酸、乙酰化率。 - Large amounts of toxic and harmful pollutants like heavy metals and acid radical ions would dissolve easily and permeate into soils and groundwater along the road after long-term rainfall washing and soaking.
然而，煤矸石中含有大量重金属和酸根离子等有毒有害物质，经过长时间的雨水冲刷和浸泡，污染物质容易析出并入渗至路基沿线的土壤和地下水中。 - The results show that, it provide a new direction for bio-resource utilization of heavy metals and the hydrochloric acid pickling waste liquor by acidophilic microflora.
实验结果表明，嗜酸性Fe2+供能菌群为重金属及钢铁盐酸洗废液的生物资源化利用提供新的方向。 - To set up the best adsorption temperature conditions. adsorption kinetics curve and the isothermal adsorption curves for heavy metal ions and pyruvic acid were determined.
最后用该聚合物对丙酮酸、重金属离子进行了吸附分离，测定了吸附动力学和等温吸附曲线，确定了最佳的吸附温度条件。 - Although Shaanxi Province is not a region of heavy acid rain, the relative concentration of the rain resulted in low pH in the rainfall.
陕西地区虽然不是重酸雨区，但由于雨季的相对集中，年内仍然有低pH值的降水出现。 - The effects of extraction of soil heavy metals using citric acid, oxalic acid and tartaric acid on soybean seed germination were studied.
并以大豆种子为实验材料，研究柠檬酸、草酸、酒石酸萃取土壤重金属后土壤对作物种子萌发的影响。