单词 | 硝酸 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 | 硝酸noun—nitraten(often used)less common: sulfaten ammonium nitraten carbamiden 硝酸—nitric acidExamples:硝酸甘油—nitroglycerine 亚硝酸盐—nitrite 硝酸钾—potassium nitrate See also:硝—saltpeterAE tan (leather) 酸n—acidn acidspl acidicn 酸—sore be sore 酸adj—souradj
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另外钠可能来自加工 食物中的食物添加剂,例如硝酸钠( 属防腐剂) 和谷氨酸一钠( 俗称味精 [...] MSG)(属增味剂,E621)。 cfs.gov.hk | Sodium may also present in the diet as food [...] additives, e.g.sodium nitrate (a preservative) [...]and monosodium glutamate (MSG) [...](a flavour enhancer, E621) in processed foods. cfs.gov.hk |
为此,您必须把 Aqua Activ Quickstick [...] 简单地浸泡在水中,然后,您可以快速简单地确定 PH 值、总硬度、碳酸盐硬度以及亚硝酸盐和 硝酸盐含量。 oase-livingwater.com | For this you must briefly dip the Aqua Activ Quickstick into the water, then you can [...] quickly and easily determine the pH value, the total hardness, carbonate [...] hardness, as well as nitriteandnitrate content. oase-livingwater.com |
动物污水和包含肥料、杀虫剂、激素及高浓度硝酸盐的农田排水可能会污染地下水和附近的水生 [...] 系统。 teebweb.org | Animal effluent and run-off from agricultural fields that [...] includes fertilizers, pesticides, hormones, and [...] high levels of nitratesmay pollute ground [...]water and nearby aquatic systems. teebweb.org |
在这种情况下,污染物分解不再能得到保证,鱼类可能遭受随之而来的氨或亚 硝酸盐中毒。 oase-livingwater.com | In this case decomposition of pollutants is no longer ensured and fish can be subject to [...] subsequent ammonium ornitritepoisoning. oase-livingwater.com |
耐腐蚀性 POLMAX能抵抗水、水蒸气,弱有机酸,稀 释的硝酸盐、碳酸盐等的腐蚀。 assab-china.com | Polmax is resistant to corrosive attack by water, water vapour, [...] weak organicacids,dilute solutionsof nitrates, carbonates [...]and other salts. assab-china.com |
第 14 栏: [...] 材料和工艺:填写此栏目时必须特别仔细,应注明所用的材料和工艺(例如:油 画、木刻、木炭画或铅笔画、低涂蜡铸模、硝酸盐胶片等)。 unesdoc.unesco.org | Heading 14 : Material(s) and technique(s) : Great care should be taken when completing this heading; indicate the materials used and [...] specify the technique employed (e.g. oil painting, woodcut, charcoal or pencil drawing, [...] low waxcasting, nitrate films, etc.). unesdoc.unesco.org |
( 或称“原地浸析”或“原地回收”) 指的是通过钻孔将一种液体(例如 水、硫酸、硝酸、过氧化氢或碳酸盐 ) 浸提液注入多孔岩,以溶解欲提取的资 源。 daccess-ods.un.org | Solution mining (or in situ, leaching or recovery) involves the injection of a liquid (e.g. water, sulphuricacid,nitric acid, hydrogen peroxide or carbonates) leaching solution into porous rock through a borehole to dissolve the desired resource. daccess-ods.un.org |
当革兰阴性杆菌、氧化酶试验阳性、绿脓菌素试验阴性,其 硝酸盐还原产 气试验、42℃生长试验及明胶液化试验均为阳性时,应判检出铜绿假单胞菌。 cmchk.org.hk | When the Gram-negative bacillus and oxidase test results are [...] positive, the pyocyanin test is negative, [...] the resultsof nitratereductionaerogenic [...]test, 42℃ growth test and gelatin liquidation [...]test are positive, it can be concluded that pseudomonas aeruginosa has been detected. cmchk.org.hk |
在蛋白质合成中,钾的存在提高了将吸收的 硝酸盐转化为蛋白质的转化率,从而提高肥料中氮的效率(SQM, [...] 2006)。 kno3.org | The action of potassium on protein synthesis enhances the [...] conversion of absorbednitrate into proteins [...]which contributes to an enhanced efficiency [...]of the supplied N fertiliser (SQM, 2006). kno3.org |
国际癌症研究机构的结论是,从食物中摄入的 硝酸盐或亚 硝酸盐如产生内生性硝化作用,即转化为亚硝基化合物(如亚硝胺),则可能令人类患癌(即属第2A组物质)。 cfs.gov.hk | IARC concluded that ingested nitrate or nitrite under conditions [...] that result in endogenous nitrosation (i.e. conversion [...]into nitroso compounds such as nitrosamines) is probably carcinogenic to humans (i.e. Group 2A). cfs.gov.hk |
于1950年代停产,因为它具有高度易燃性,如果它储存在 过湿(它会分解)与过热(它会自然)的环境中, 硝酸纤维素不具化学稳定性。 motion.kodak.com | Discontinued in the 1950s because it was highly flammable, cellulose nitrate is chemically unstable if stored in conditions that are too damp (it can decompose) or too hot (it can self-ignite). motion.kodak.com |
乳剂是由可溶的银锭原料溶于硝酸液 去形成 硝酸银晶体。 motion.kodak.com | Emulsion is made by dissolving silver [...] bullion innitric acid to formsilver-nitratecrystals. motion.kodak.com |
选硝酸钠作为标准是因为它100%溶解于水,也因为在1943年首次提出SI [...] 这一概念时,它是普遍使用的氮肥。 kno3.org | Sodium nitratewas chosen as the [...] standard because it is 100 % water-soluble and because it was a commonly used nitrogen [...]fertiliser when the SI concept was first proposed in 1943. kno3.org |
错了,它是如何,显示微反应器:让他们在,例如,如 硝酸甘油 炸药生产约10倍的速度,也比传统的一种弗劳恩霍夫研究人员表明,他们使用不同的化学过程的微反应器,更安全的。 zh-tw.developmentscout.com | How wrong it is so, show microreactors: let them in, for example, [...] explosives such as nitroglycerinproduceabout ten [...]times faster and also much safer than [...]the conventional kind Fraunhofer researchers show microreactors, which they use for different chemical processes. en.developmentscout.com |
涉及的化学品包括腐蚀性蚀刻解决方案、浓度3 0%的 硝酸、浓度50%的氢氧化钠、浓度94%的硫酸,以及浓度30%的盐酸。 cn.lubrizol.com | The chemicals include a caustic etching solution, 30% nitric acid, 50% sodium hydroxide, 94% sulfuric acid, and 30% hydrochloric acid. lubrizol.com |
初级凯氏定氮蒸馏装置,可以有不同的应用,比如氨态氮,蛋白氮(凯氏定氮法或直接碱蒸馏), 硝酸氮(减少)后,挥发性脂肪酸,氰化物,酒精含量和达瓦德氮检测等。 velp.com | Entry-level Kjeldahl distillation unit for your analyses concerning different applications such as determining ammoniacal nitrogen, protein determiantion, nitrogen content (Kjeldahl or direct alkaline distillation), nitric [...] nitrogen (after reduction), phenols, [...] volatile fatty acids, cyanides, alcoholcontent and [...]Devarda nitrogen determination. velp.com |
1-2.2 黑火药 - 一种硝酸钾、硫和木碳的 混合物,产生一个火药效果。 afsl.org | 1-2.2 Black Powder - A [...] mixture ofpotassiumnitrate,sulfur and charcoal [...]intended to produce a pyrotechnic effect. afsl.org |
(1)湿式分解 (2)通过硝酸、硫酸、过氧化氢、氟酸、盐酸等,在封闭的容器内进行加压分解(微波分解法等); (3)在硫酸存在的情况下,进行灰化,然后再用酸溶解。 alps.com | ) (1) Wet decomposition using nitric acid, sulfuric acid, hydrogen peroxide, fluorine, and hydrochloric acid (for example, “Plastic- Determination of cadmium – Wet decomposition method), (2) Pressure decomposition in sealed container using nitric acid, sulfuric acid, hydrogen peroxide, fluorine, and hydrochloric acid (microwave decomposition method, (3) After ashing under presence of sulfuric acid, acid is dissolved. alps.com |
此 外,对于沉积物中的有机碳和无机碳、其他元素(铁、锰、锌、镉、铅、铜、汞)、 营养物质(磷酸盐、硝酸盐、亚硝酸盐和硅酸盐)、碳酸盐(碱度)和孔隙水中的氧 化还原体系应该测量至 [...] 20 厘米深度。 isa.org.jm | Additionally, organic as well as inorganic carbon in the sediment, other elements (iron, manganese, [...] zinc, cadmium, lead, copper, [...] mercury), nutrients (phosphate, nitrate, nitrite and silicate), carbonate [...](alkalinity) and the redox [...]system in the pore water should be measured to 20 cm depth. isa.org.jm |
但是,和硝酸纤维 素膜一样,尼龙膜结合蛋白质和其它大分子的能力强于醋酸 纤维素膜或聚醚砜膜。 corning.com | However, [...] like cellulose nitratemembranes, they [...]may bind greater amounts of proteins and other macromolecules than do the [...]cellulose acetate or PES membranes. catalog2.corning.com |
智利代表团认为,在食品标签委员会内审议该问题不符合适用于在准则中纳入物 [...] 质的标准,因为尽管提供了所有相关科学理由,但并未同意使用天然 硝酸钠, 而并非以 类似科学数据为依据的其他物质却已纳入容许的物质清单。 codexalimentarius.org | The Delegation of Chile expressed the view that the consideration of this issue in the Committee on Food Labelling had not been consistent with the criteria applicable to substances for inclusion in the Guidelines as, although all relevant scientific [...] justification had been provided, the use of [...] NaturalSodium Nitratehad notbeen accepted, [...]although other member countries did [...]not provide written counter arguments. codexalimentarius.org |
管理得当的沼气供应链有助于减少气味和将 硝酸盐滤除,同时 提供可再生能源,并使化石燃料的替代成为可能。 daccess-ods.un.org | Well-managed biogas supply chains contribute to reducing odour and [...] the leaching of nitrates, whileat the [...]same time delivering renewable energy and [...]allowing for the substitution of fossil fuels. daccess-ods.un.org |
灌溉虽然能够带来高生产力,但为减少其环境影响而承受的压力也与日俱增,包括减少土壤盐碱化程度与减轻对地下水含水层的 硝酸盐污染。 fao.org | Despite its high productivity, irrigation is under [...] growing pressure to reduce its environmental impact, including soil [...] salinization and nitrate contamination [...]of aquifers. fao.org |
应用电石渣替代石灰石生产水泥熟料等原料替代技术、高炉渣和粉煤灰等作为添加混合材料生产水泥等工艺过程,采用二级处理法和三级处理法处理 硝酸生产过程的氧化亚氮排放、催化分解和热氧化分解处理己二酸生产过程的氧化亚氮排放、热氧化法对HFC-23进行捕获和清除等。 durban.china-consulate.org | China has applied the raw material substitution technology such as replacing limestone with carbide slag in the cement clinker production process, applied the technique of producing cement with blast furnace slag and fly ash as added mixed materials, applied secondary- and tertiary-stage treatment to [...] address the discharge of nitrous oxide [...] duringthe nitric acid production process, [...]applied catalytic decomposition and thermal [...]oxidative decomposition to address the discharge of nitrous oxide during the adipic acid production process, and thermal oxidative decomposition to capture and remove HFC-23. durban.china-consulate.org |
(1)用硝酸、硫酸、过氧化氢、氟酸、盐酸等进行湿式分解(例如 1122:2001“塑料-镉的判断-湿 式分解法”等); (2)通过硝酸、硫酸、过氧化氢、氟酸、盐酸等,在封闭的容器内进行加压分解(微波分解法等); (3)在硫酸存在的情况下,进行灰化,然后再用酸溶解。 alps.com | (1) Wet decomposition using nitric acid, sulfuric acid, hydrogen peroxide, fluorine, and hydrochloric acid (for example, EN1122-2001 “Plastic- Determination of cadmium – Wet decomposition method), (2) Pressure decomposition in sealed container using nitric acid, sulfuric acid, hydrogen peroxide, fluorine, and hydrochloric acid (microwave decomposition method, (3) After ashing under presence of sulfuric acid, acid is dissolved. alps.com |
这些变化包括在农产品中使用的 [...] 下列物质:硫酸铜、臭氧、过乙酸、信息素、氯 化钙、硝酸钠、DL-蛋氨酸、氢氧化钙、铜和镁微 [...]量元素,以及成分目录中的: 琼脂-琼脂,动物 酶,硫酸钙,carageenan,glucono delta lactone, [...]酒石酸、纤维素、乙烯、氢氧化钾。 ecocert.cn | Changes involved the following substances used in agricultural production: Cupper sulfate, Ozone [...] gas, Peracetic acid, pheromones, Calcium [...] chloride, Sodium nitrate, DL-Methionine, [...]hydrates lime, copper and magnesium as trace [...]minerals; and in the list of ingredients: agar-agar, animal enzymes, calcium sulfate, carageenan, glucono delta lactone, tartaric acid, cellulose, ethylene potassium hydroxide. ecocert.cn |
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