单词 | 亚硝酸盐 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 | 亚硝酸盐 —nitriteSee also:亚硝 adj—nitrous adj 硝酸 n—nitrate n • ammonium nitrate n • sulfate n • carbamide n 盐酸盐 n—chloride n 盐酸盐—hydrochloride (chemistry)
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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 nitrite and nitrate content. oase-livingwater.com |
硝酸盐在人体内可转化成亚硝酸盐, 而 亚硝酸盐 可 氧 化血液中的血红蛋白,令其无法把氧气带到各身体组织。 cfs.gov.hk | Nitrate in the body can be converted to nitrite, which can [...] oxidize haemoglobin in blood and make it unable to carry oxygen to the body tissues. cfs.gov.hk |
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 or nitrite poisoning. oase-livingwater.com |
硝酸盐本身可说是没有毒性的,但其代谢物(例 如 亚硝酸盐 ) 却 因 为对健康有害,例如可导致正铁血红蛋白血症和癌症,所以备受关注。 cfs.gov.hk | Nitrate itself is relatively non-toxic, but its metabolites such as nitrite have [...] raised concern because of implications [...]for adverse health effects such as methaemoglobinaemia and cancers. cfs.gov.hk |
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 |
Metanil Yellow 可用于分光光度法中来确定溶液中硝 酸盐 和 亚硝酸盐 的 痕 量存在。 scbt.com | Furthermore, Metanil Yellow is useful in spectrophotometric methods to determine the presence of trace amounts of nitrates and nitrites in solution. scbt.com |
不同种类的蔬菜,其硝酸盐含量均有很大的差别,而种植环境(季节、日照、温度、种植方法、肥料使用等)、贮存(时间、温度等,因为在低温贮存时,将硝酸盐转化为毒性较高的代谢 物 亚硝酸盐 的 酵 素作用及细菌活动会减低)及加工程序(清洗、去皮、焯水、烹煮等)亦会影响硝酸盐含量的多寡。 cfs.gov.hk | The level of nitrates in vegetables varies greatly among species and can also be affected by growing conditions (seasons, light, temperature, growth method, fertilizer use etc.), storage (time and temperature etc., as enzymatic [...] reaction and bacterial activity that lead to [...] conversion of nitrate to nitrite which [...]is a more toxic metabolite, are inactivated [...]under cold storage) as well as processing (washing, peeling, blanching, boiling etc.). cfs.gov.hk |
该 ProfiClear Classic 过滤器泡沫模块确保去除有毒物质,如铵/氨 或 亚硝酸盐。 oase-livingwater.com | The ProfiClear Classic filter foam module ensures safe removal of toxic [...] substances like ammonium/ammonia or nitrite. oase-livingwater.com |
在 69 个 化 验 硝 酸 盐 和 亚 硝 酸 盐 的 样 本 中 , 在 一 九 九 九 年 抽 取 的 [...] 3 个 腊 肠 样 本 含 有 的 硝 酸 钠 超 过 准 许 水 平 , 不 符 合 规 定 比 率 为 4.3% 。 cfs.gov.hk | Of 69 samples examined for nitrate and nitrite, three samples [...] of preserved sausages taken in 1999 were found to exceed the [...]permitted level of sodium nitrate, resulting in non-compliance rate of 4.3%. cfs.gov.hk |
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 |
SYSTEA实验室分析仪的应用范围涵盖了大多数对于水中或水中萃取液中无机物的自动化常规分析检测,譬如氨氮 、 硝酸盐 、 亚硝酸盐 、 正 磷酸盐、硅酸盐、总氮、总磷、总溶铁、铬、铝、锰、铜、镍、锌、碱度、硬度、硫酸盐、余氯、氯、钙、镁、氰化物、酚、硼、尿素、 [...] 总有机氮。 ams-systea.com | The Systea’ laboratory analyzers product range covers most of the needs for automatic and reliable routine analysis of [...] inorganic compounds in water and water [...] extracts, like Ammonia, Nitrate, Nitrite, Orthophosphate, [...]Silicates, Total Nitrogen, Total [...]Phosphorus, Total Dissolved Iron, Chromium, Aluminium, Manganese, Copper, Nickel, Zinc, Alkalinity, Hardness, Sulphate, Residual Chlorine, Chloride, Calcium, Magnesium, Cyanide, Phenols, Boron, Urea, TOC. ams-systea.com |
在 腌 制 腊 味 ( 中 国 [...] 传 统 的 腌 制 肉 类 ) 方 面 , 硝 酸 盐 ∕ 亚 硝 酸 盐 是 不 可 或 缺 的 防 腐 剂 , 不 [...]仅 使 食 物 具 备 独 特 的 色 香 味 , 更 具 有 抗 微 生 物 的 作 [...]用 , 能 抑 制 细 菌 生 长 及 孢 子 形 成 , 尤 其 是 肉 毒 杆 菌 。 cfs.gov.hk | In curing of Lap-mei, referring to traditional Chinese [...] preserved meat products, nitrate/nitrite is essential not [...]only its provision of unique characteristic [...]in colour and taste, but more important, is its anti-microbial properties against bacteria growth and spore formation especially Clostridium botulinum. cfs.gov.hk |
一 九 九 五 年 , 粮 食 及 农 业 组 织 ∕ 世 界 卫 生 组 织 联 合 食 物 添 加 剂 专 家 委 员 会 研 究 以 往 的 评 估 结 果 , 以 及 毒 物 学 和 流 行 病 学 的 资 料 数 据 后 , 认 为 作 为 食 物 添 加 剂 , 人 体 每 日 可 以 接 受 的 摄 取 量 按 每 公 斤 体 重 计 算 , 分 别 是 硝 酸 盐 0 至 3.7 毫 克 [6] , 以 及 亚 硝 酸 盐 0 至 0.06 毫 克 [7]( 以 离 子 形 式 表 达 ) 。 cfs.gov.hk | In reviewing of the previous evaluations, toxicological and epidemiological data, Joint FAO/WHO Expert Committee on Food Additive (JECFA) in 1995, concluded that nitrate/nitrite as food additive, an acceptable daily Intake (ADI) of 0-3.7 mg/kg body weight per day[6] and 0-0.06 mg/kg body weight per day respectively[7] (as expressed in ion form) was allocated. cfs.gov.hk |
为 防 止 发 生 亚 硝 酸 盐 引 致 食 用 者 中 毒 , 并 尽 量 减 低 硝 胺 在 腊 味 等 腌 制 肉 类 内 形 成 的 机 会 , 制 造 商 须 确 保 腊 味 的 硝 酸 钠 和 ∕ 或 亚 硝 酸 盐 含 量 , 不 会 超 过 法 例 准 许 的 水 平 , 以 减 少 亚 硝 酸 钠 残 留 在 食 物 中 的 含 量 。 cfs.gov.hk | To prevent nitrite-induced intoxication and to minimize the extent of exogenous nitrosamines formation in cured meats such as Lap-mei, manufacturers are liable to assure their products contain no more than the permitted levels of sodium nitrate and /or nitrite in order [...] to reduce the residual nitrites in food. cfs.gov.hk |
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 nitrates may pollute ground [...]water and nearby aquatic systems. teebweb.org |
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 absorbed nitrate into proteins [...]which contributes to [...]an enhanced efficiency of the supplied N fertiliser (SQM, 2006). kno3.org |
一般来说,无机砷对人体的毒性比有机砷大,而三价 砷( 亚砷酸盐) 的毒性又比五价砷( 砷酸盐)高。 cfs.gov.hk | In general, inorganic forms of arsenic are more toxic to humans than organic ones while the trivalent form (arsenite) is more toxic than the pentavalent form (arsenate). cfs.gov.hk |
麻管局还通 过表格 D 的数据了解到有一批运往巴西的 55 公斤 盐酸伪麻黄碱货物被阻止,还在哥伦 比 亚 和 巴西 查获了伪麻黄碱原料,重量分别为 220 公斤和 47 公斤。 incb.org | The Board is also aware, through form D data, of one stopped [...] shipment of 55 kg of [...] pseudoephedrine hydrochloride to Brazil, and of seizures of 220 kg and 47 kg of pseudoephedrine raw material in Colombia and Brazil, [...]respectively. incb.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 |
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 organic acids, dilute [...] solutions of nitrates, carbonates and other salts. assab-china.com |
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 during the 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 |
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 wax casting, 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, sulphuric acid, nitric acid, hydrogen peroxide or carbonates) leaching solution into porous rock through a borehole to dissolve the desired resource. daccess-ods.un.org |
46 研究表明,加沙 不安全的水域是造成加沙和西岸儿童之间健康与存活(儿童死亡率)方面差异的 [...] 主要原因。上述研究澄清了这一结论:加沙唯一的水源是经化学污染的含水层, 氯化物、硝酸盐和其 他污染物达到危险的程度,一些已超过了世界卫生组织的准 则。 daccess-ods.un.org | The study mentioned above clarifies this conclusion: Gaza’s sole water source is an aquifer that is [...] chemically contaminated with dangerous levels [...] of chlorides, nitrates and other pollutants, [...]some in excess of World Health Organization guidelines. daccess-ods.un.org |
特瑞堡密封系统也提供多种热塑和弹性材料,包括填充和非填充PTFE、 PCTFE、 ETFE、聚氨酯、聚酯弹性体、亚硝酸、 矽 和过氟弹性体,产品可密封绝大部分的液体和气体。 tss.trelleborg.com | Trelleborg Sealing Solutions also provides a wide range of thermoplastic and elastomeric materials including filled and unfilled PTFE, PCTFE, ETFE, polyurethanes, polyester elastomers, nitriles, silicons and fluoroelastomers. tss.trelleborg.com |
例如,在过去的 100 多年,世界上河流中硝酸盐的浓 度增加了 20 倍,主要原因是固氮 作用的迅速增加(多数由于人为地将氮固化作为肥料)以及点源污染(污水)和非点源污染 (森林采伐使得氮转移,化肥的使用,酸雨)输入的增加。 unesdoc.unesco.org | These models take into consideration the three main mechanisms involved: (1) dilution by turbulent mixing; (2) advective transport; and (3) the rate of decay of the pollutant, decrease in toxicity of the organism, or mortality (including the rate of dormancy) as a function of environmental factors such as photochemical oxidation, increases in salinity, predation, and starvation. unesdoc.unesco.org |
关于食品添加剂通用标准中食品类别编号 11.1.2(粉状食糖、粉状葡萄糖)和食 品类别编号 [...] 12.1.1(盐)的一些食品添加剂含量是否与符合相关商品标准的现行含量 不同11 [...] ,荷兰代表团阐明,食品添加剂通用标准中某些食品添加剂,如粉状食糖的 磷酸 盐,盐的氰亚铁酸盐等食 品添加剂规定合在一起,因为在食品添加剂联合专家委员会 的评价中给予这些添加剂一组每日可接受摄入量。 codexalimentarius.org | Regarding the question on whether the levels of some food additives in Food Category No.11.1.2 (Powdered sugar, powdered dextrose) and Food Category No.12.1.1 (Salt) in the GSFA were different from the current levels of them corresponding to relevant commodity standards11 , the Delegation of the Netherlands clarified that the provision of some food [...] additives in the [...] GSFA, such as phosphates in powdered sugar, ferrocyanides in salt, had been grouped [...]together because they [...]were assigned a group ADI in JECFA evaluation. codexalimentarius.org |
建议勿将再生纤维素膜与浓度大于 25% 的 盐酸、浓度大于 25% 的硝酸、浓度为 96% 的硫酸、浓度 为 25% 高氯酸、1N 氢氧化钾以及浓度为10%的含水酚 共用。 cn.spectrumlabs.com | solvents containing nitrogen. RC membranes are not recommended for use with hydrochloric acid > 25%, nitric acid > 25%, 96% sulfuric acid, 25% perchloric acid, 1N potassium hydroxide and 10% aqueous phenol. eu.spectrumlabs.com |
上述“危险货物”包括硝酸、硫酸盐 、 石 脑油、苯、火药、火柴 、 硝 酸 甘 油、 石油、《武器和爆炸物法》(第 58 章)中界定的爆炸物以及苏丹陛下通过条例宣布 为危险货物的其他任何货物。 daccess-ods.un.org | (chapter 58) and any other goods which His Majesty the Sultan may, by regulation, declare to be dangerous goods. daccess-ods.un.org |
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