| 单词 | 硝氮 | ||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 硝氮—potassium nitratesaltpeterAESee also:硝—saltpeterAE tan (leather) 氮n—nitrogenn 氮—nitrogen (chemistry) 玮—(reddish jade)
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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 |
通过脱硝污泥，在缺氧条件下降低硝酸盐中的氮。 biothane.com | The nitrateis then reduced tonitrogen under anoxic conditions [...] by denitrifying biomass. biothane.com |
1-2.6 硝化纤维花筒 – 一种装置的主要化学 成份是硝化纤维（含氮量小于 12.6%重量比）， 主效果与花筒类似，一般配有金属火花或焰色 [...] 效果。 afsl.org | 1-2.6 Nitrocellulose Fountain - A device whose primary function is similar to [...] that of a fountain which contains [...] nitrocellulose (of less than 12.6% nitrogenby weight) as primary [...]chemical component. afsl.org |
总氮含量不超 12.6%的硝化纤维，符合 4.1 易燃固体级别的要求，允许作为发射药或推进剂 使用，但每个产品中的用量要小于 15 克。 afsl.org | Nitrocellulose with not more than12.6%nitrogen bymass, that meets [...] the criteria for classification as a 4.1 Flammable [...]Solid, is permitted as a propelling or expelling charge provided there is less than 15 grams of nitrocellulose per article. afsl.org |
3,6-二肼基四氮杂苯硝酸也被称为二肼硝酸。 daccess-ods.un.org | 3,6-dihydrazino tetrazinenitrate isalso referred to as 1,4-dihydrazinenitrate daccess-ods.un.org |
消化过程中（凯氏定氮法，消化与硝酸，硫酸或高氯酸），会产生有毒气体，如二氧化硫（SO 2）和三氧化硫（SO 3）。 velp.com | During the digestion(Kjeldahl, digestions with nitric acid, sulphuric acid or percloric acid) corrosive toxic gases such as sulfur dioxide (SO2) and sulfur trioxide (SO3) are evolved. velp.com |
多元生物循环系统是多元曝气系统与多元生物混合系统的集成，其关键技术是通过对氧化还原电位（ORP）、溶解氧（DO）、硝酸盐（NO-3 -N）、氨氮（NH+4 -N）等关键工艺参数的实时监控，实现曝气和混合的分离，进而实现好氧和缺氧的交替进行。 duoyuan-hq.com.cn | Duoyuan Biological Cycle System is a combination of Duoyuan Aeration System and Duoyuan Biological Mixing System, its key technology is to realize the separation of aeration and mixing by monitoring the key technical parameters such as [...] oxidation-reduction potential (ORP), [...] dissolved oxygen (DO),nitrate (NO-3-N),ammonianitrogen (NH+4-N)etc. in [...]real time, to further promote [...]the aerobic and anoxic process working alternately. duoyuan-hq.com |
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 |
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 |
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 |
在特别项目：生物技术为非洲的发展服务范围内，向贝宁、喀麦隆、坦桑尼亚联合共 和国和尼日利亚的青年科学工作者发放了五笔研究金，并与非洲生物氮素固定协会合作，举 办了一期关于生物氮素固定的培训班。 unesdoc.unesco.org | In the context of the Special project: Biotechnologies for Development in Africa five research fellowships were provided to young scientists from Benin, Cameroon, the United Republic of Tanzania and Nigeria, and a [...] training course on [...] BiologicalNitrogen Fixation organized in collaboration with the African Association for Biological NitrogenFixation. unesdoc.unesco.org |
大多数燃料动力的车型使用点火塞引擎，用特殊的混合物，硝基甲烷，甲醇燃料和油（在大多数情况下，蓖麻油与合成油混合）的小内燃发动机。 hkcarworld.com | Most fuel-powered models use glow plug engines, small internal combustion engines fueled by a special mixtureof nitromethane, methanol, and oil (in most cases a blend of castor oil and synthetic oil). hkcarworld.com |
通常使用的表面处理是氮化和表面涂层，如耐磨性PV D和CV D涂层。 assab-china.com | The most commonly [...] used treatments arenitriding andsurface coating [...]with wear-resistant layers produced via PVD and CVD. assab-china.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 |
使用双冲程机油对减少机动车辆一氧化碳、碳氢化合物和氮的氧化物的影响——机动车辆与环境问题国际会议记录，德黑兰。 daccess-ods.un.org | Effects on use of two-stroke oils on reduction of carbon monoxide, [...] hydrocarbonandnitrogen oxide emissions [...]in motorcycles: Proceedings of the International [...]Conference on Motor Vehicles and Environment, Tehran. daccess-ods.un.org |
3.15 水体富营养化：指在人类活动的影响下，生物所需的氮、磷等营养物质大量进入湖泊、 河口、海湾等缓流水体，引起藻类及其他浮游生物迅速繁殖，水体溶解氧量下降，水质恶化。 greencouncil.org | 3.15 Eutrophication of water body: the phenomenon that under [...] mankind’s influence, nitrogenand phosphor needed [...]by living organisms entering in a large [...]amount into slow-flow water bodies like lakes, river estuary and sea gulf, causing algae and other plankton to reproduce rapidly, the level of dissolved oxygen in the water to decrease and water quality to deteriorate. greencouncil.org |
本文意在作为对这个延续活动的一个重要贡献，通过就这些模型的优势和局限性展开交流，让政策制 [...] 定者和践行者对于这些模型能够怎样用于告知政策、投资和管理决策、从而在流域级上控制面源（和 点源）氮污染，有一个更好的现实理解。 acedp-partnership.org | This paper is intended as an important contribution to this extension activity by communicating the strengths and limitations of such models so that policy makers and practitioners alike, have a better and realistic understanding of how they can be used to inform policy, investments [...] and management decisions for the control of non-point source (and [...] pointsource) nutrient pollution at the [...]catchment scale. acedp-partnership.org |
虽然上述协议是直线前进的惰性条件下，一些常见故障排除程序是：（一）确保焦磷酸钾，脱气和干，（b）如钐金属有长期暴露在空气中，它可能有一个外层氧化，用研钵和pestal清洁的金属表面暴露的金属研磨，（三）火焰干燥所有玻璃器皿和冷却的氩气下，（四）随着氮，优选氩气惰性气氛中作为购买已被证明与该金属相互作用，（e）在存在下，过量的金属的Sm-有助于保持SMI的浓度如图2所示 [...][...] ，（六）resublime的碘晶体。 jove.com | While the above protocol is straight forward when done under inert conditions, some of the common troubleshooting procedures are: (a) make sure the THF is properly degassed and dry, (b) if Sm metal has had prolonged exposure to air it could have an oxidized outside layer, grind the metal with a mortar and pestal to expose the clean metal surface, (c) flame-dry all glassware and cool [...] under argon, (d) argon is preferred [...] inert atmosphere overNitrogen,as the later has [...]been shown to interact with the metal, [...](e) The presence of excess Sm-metal helps to maintain the concentration of SmI2, (f) resublime the iodine crystals. jove.com |
虽然这种转变在许多方面是发展方面的一个成功故事，但“全球中产阶级” 日益增多，加上不可持续的消费模式，形成了一种威胁，可能会把我们无情地推向 [...] 自然资源和地球维生系统——从食物、水和能源到海洋、气候和氮循环等全球系统 ——的极限。 daccess-ods.un.org | While this shift is in many ways a development success story, the conjunction of a growing “global middle class” with unsustainable patterns of consumption threatens to push us inexorably towards the limits of natural resources and planetary life support [...] systems — from food, water and energy resources to global systems such as the oceans, [...] the climate and thenitrogen cycle. daccess-ods.un.org |
连续板材应用中转用碳氢化合物技术将涉及到：安装戊烷储存罐；更换发泡机器计 量设备；用环带切割机更换循环锯切割机；氮供应系统；适合戊烷的搅拌头；适合戊烷的 动态搅拌器；修改泡沫泡沫操作装置；安全相关设备和系统；以及试验、车间维护培训和 [...] 安全审计。 multilateralfund.org | Conversion to HC technology in the continuous panels application involves the installation of pentane storage tanks, replacement of the foaming machine metering [...] units; replacement of circulating saw [...] cutter by belt cutter;nitrogen supplysystem; mixing [...]head suitable for pentane; dynamic [...]mixer for components suitable to pentane; modification of foam manipulator; safety related equipment and systems; and trials, training for plants maintenance and safety audits. multilateralfund.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 [...] NaturalSodium Nitratehad notbeen accepted, [...]although other member countries did [...]not provide written counter arguments. codexalimentarius.org |
商业制冷、不连续板材和热水器转用碳氢化合物技术将涉及到：安装戊烷储存罐； 适合可燃发泡剂的预混站；氮供应系统；氟氯烃泡沫塑料注入机；安全相关设备和系统； [...] 以及试验、车间维护培训和安全审计。 multilateralfund.org | Conversion to HC technology in commercial refrigeration, discontinuous panels, and water heaters will involve the installation of pentane storage tanks; [...] pre-mixing stations suitable for [...] flammable blowing agents;nitrogen supplysystem; HP foam [...]dispensers, safety related equipment [...]and systems; and trials, training for plants maintenance and safety audits. multilateralfund.org |
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