单词 | 亚硝酸钠 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 | 亚硝酸钠 —sodium nitriteSee also:亚硝 adj—nitrous adj 硝酸 n—nitrate n • sulfate n • ammonium nitrate n • carbamide n 硝酸—nitric acid
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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 |
专家委员会曾评估硝酸盐的安全性,并订定的每日可摄入量为每公斤体重0至5毫克 ( 以 硝酸钠 计 算 ),或每公斤体重0至3.7毫克(以硝酸盐离子计算)。 cfs.gov.hk | JECFA has evaluated the safety of nitrate and allocated an acceptable daily [...] intake (ADI) of 0-5 mg per kg body weight [...] (bw), expressed as sodium nitrate, or 0-3.7 mg/kg bw, expressed as nitrate ion. cfs.gov.hk |
罗地亚实施 了一项对整体生命周期的内部碳排放量评估,包括 Rhodapex® ESB-70 NAT 的寿命末期与传统的十二烷基醚硫 酸钠 相 比 较。 rhodia.com.cn | Rhodia has carried out an internal carbon footprint evaluation made on the overall life cycle including end-of-life of Rhodapex® ESB-70 NAT compared to conventional SLES. rhodia.com |
目前香港在指定食物中使用硝酸盐(以 硝酸钠 或 硝酸 钾 的 形式)的情况及有关的最高准许含量受《食物内防腐剂规例》(第132章)规管。 cfs.gov.hk | In Hong Kong, the use of [...] nitrates (in forms of sodium nitrate or potassium [...]nitrate) in specified food and their respective [...]maximum permitted levels are governed under the Preservatives in Food Regulations (Cap. 132). cfs.gov.hk |
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 nitrate was 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 |
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 Natural Sodium Nitrate had not been accepted, [...]although other member countries [...]did not provide written counter arguments. codexalimentarius.org |
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 |
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 |
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 |
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 |
这是由于其中干渣、硬水、硝酸盐和 钠 的 含 量都很低。 bootb.com | This is a result of low levels of [...] dry residue, hard water, nitrates and sodium. bootb.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 |
八个大型电极浸没在鼓泡反应桶里,将精确测量的盐(氯化钠)和水转化为次 氯 酸钠。 unicef.org | Eight large electrodes are immersed in bubbling barrels, turning the carefully [...] measured salt – sodium chloride – and water into sodium hypochlorite. unicef.org |
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 |
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 |
甲酸钠 – 用途广泛 安全可靠 甲酸钠主要用于生产亚硫酸氢钠/连二 亚 硫 酸 氢钠 此二 者的主要用途为纸浆和造纸业中的漂白剂 甲酸钠还广 泛应用于皮革加工业的多个步骤 是常见的 pH 中和剂 此外 它还可用作环保的跑道除冰剂 甲酸钠溶液可以 提高石油钻探的产量 洗涤剂和混凝土中的防冻剂是本 产品的两个新兴应用领域 perstorpcaprolactones.com | A major application of Sodium Formate is in the production of sodium hydro sulphite/dithionite, a bleaching agent used mainly in the pulp and paper industry. perstorpcaprolactones.com |
阴极和阳极之间保持有一定的工作间隙,阴阳级之间的电荷交换通过电解液进行,常用的电解液 有 硝酸钠 和 氯 化钠。 emag.com | The charge in the working gap between cathode and anode [...] runs through an electrolyte [...] solution - usually sodium nitrate or sodium chloride - and [...]detaches metal ions from the workpiece. emag.com |
c) 在液化进程第一步之后,在苛性钠溶液中吸收剩余的氯,并出售形成的次氯 酸钠溶液;或者 multilateralfund.org | (c) To absorb the chlorine remaining after the first liquefaction step in a caustic soda solution and [...] sell the resulting sodium hypochlorite solution; or multilateralfund.org |
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 |
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 |
用于水箱消毒时,可把三氯异氰脲酸 酯 钠 片 剂 放在漂浮型缓释器中缓慢释 放氯剂,以维持必要的消毒浓度。 icrc.org | In the latter case a tablet is placed in a floating dispenser which releases the chlorine slowly, thus maintaining the concentration necessary for disinfection. icrc.org |
物质的SI表示为,由特定肥料引起的盐溶液渗透压力的增加与相同重量 的 硝酸钠 渗 透压力(相对值是100)的比值。 kno3.org | The SI of a material is expressed as the ratio of the increase in osmotic pressure of the salt solution produced by a specific [...] fertiliser to the osmotic pressure of [...] the same weight of sodium nitrate (NaNO3), which [...]is based on a relative value of 100. kno3.org |
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 |
埃及代表团指出该草案对谷氨酸钠适 用的最高限量为 10g/kg,这违反了附件中所 载明并得到食品添加剂规范委员会认可的良好生产规范。 codexalimentarius.org | The Delegation of Egypt indicated that it applied a maximum level of [...] 10 g/kg for monosodium glutamate as opposed [...]to good manufacturing practice as indicated [...]in the Annex and endorsed by the Committee on Food Additives. codexalimentarius.org |
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 |
粉料产品通常会在 某种浓度下进行标定,要使用到诸如 硫 酸钠 之 类 的惰性 盐。 tfl.com | Powder products are often standardised at particular concentrations, [...] using inert salts like sodium sulfate. tfl.com |
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 |
Sulfochem™烷基硫酸盐(AS)和烷基醚硫酸盐(AES)的化妆品成分国际命名(INCI)名称包括:十二烷基硫酸铵、十二烷基 硫 酸钠 、 月 桂醇硫酸镁、椰油基 硫 酸钠 、 十 二烷基硫酸三乙醇胺、月桂醇聚醚硫酸铵、月桂醇聚醚 硫 酸钠 、 肉 豆蔻醇聚醚硫酸铵、肉豆蔻醇聚醚 硫 酸钠 和 十 三烷醇聚醚 硫 酸钠。 cn.lubrizol.com | Sulfochem™ alkyl sulfates (AS) and alkyl ether sulfates (AES) are also known by their International Nomenclature of Cosmetic Ingredient [...] (INCI) names such as ammonium lauryl sulfate, sodium lauryl sulfate, magnesium lauryl sulfate, sodium cocosulfate, TEA-lauryl sulfate, ammonium laureth sulfate, sodium laureth sulfate, ammonium myreth sulfate, sodium myreth sulfate, and sodium trideceth sulfate. [...] lubrizol.com |
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