亚硝酸盐(酯)用于食品防腐和彩色增强,尽管它们的毒性很强,会引起死亡,与胺结合后产生致癌物。
Nitrites are used as food preservatives and color enhancers, though they are so toxic they have caused deaths and combine with amines to produce carcinogens.
另一个优势是随着时间的推移胺会分解,而碳酸盐有无限长的保质期。
Another advantage: amines break down over time, while carbonates have a virtually limitless shelf life.
研究了仲胺7203(简写为7203)萃取铌硫氰酸盐络合物的性能及其机理。
The extraction properties and mechanism of niobium thiocyanate complex with secondary amine 7203 are studied.
报道了以钨酸钠、硫酸钴和二亚硝酸二胺铂为主盐、以柠檬酸盐为络合剂电沉积钴铂钨合金的工艺过程。
A series of cobalt platinum tungsten alloys were deposited with sodium tungstate and cobaltous sulfate as the main salts and citrate as the complex agent.
在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品,逸出的氨被吸收后通过酸碱滴定测定其含量。
The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.
芳香族二醛与羟胺盐酸盐在85%甲酸或冰醋酸中回流可制备相应的芳香族二腈。方法简便,产率高。
Aromatic dinitriles were prepared with excellent yields by refluxing the corresponding aromatic dialdehydes with hydroxylamine hydrochloride in 85% formic acid or glacial acetic acid.
三聚氰胺磷酸盐是保障绝热层综合性能的关键材料。
Melamine phosphate is the key material to guarantee the comprehensive performances for insulting layer.
在膨胀型防火涂料中应用结果表明,三聚氰胺焦磷酸盐和三聚氰胺正磷酸盐能明显改善防火涂层的隔热性能。
The applications of melamine phosphates in intumescent coatings reveal that melamine pyrophosphate and melamine orthophosphate can improve the heat-insulating properties of the coatings.
本文讨论了1-溴代金刚烷的合成,为工业化生产金刚烷胺盐酸盐提供了资料和数据。
The paper discusses the synthesis of 1-bromoadamantane, providing materials and data for the industrial production of adamantanamine hydrochloride.
自由基2作为电子给体在四氯化碳中可发生光诱导的氧化还原反应,导致生成相应的哌啶羟胺盐酸盐;
The radical 2 as an electron donor underwent a rapid photo-induced redox reaction in carbon tetrachloride leading to the formation of the corresponding piperidine hydroxylamine hydrochloride.
烷基胍对铝硅酸盐矿物的捕收能力和选择性优于十二胺和十二烷基三甲基氯化铵。
The interaction mechanism between aluminosilicate minerals and alkyl-guanidine was revealed based on collector structure and surface charge of minerals.
结果表明:硬脂酸与戊胺等摩尔充分混合后,生成硬脂酸戊铵盐, 体系中残存的少量硬脂酸与其戊铵盐形成酸盐结构。
The results indicated that after mixing the two reactants together, pentyl ammonium stearate was created and it formed acid-salt structure with the stearic acid remained.
合成了2种助焊活性剂23-二溴丁二酸和环烷基胺氢溴酸盐,制备了ES系列活性助焊剂。
Two active agents for soldering, 23 Dibromosuccinic acid and cycloalkanamine hydrobromide were synthesized. A series of ES active soldering fluxes were prepared.
利用分子内复配思想,根据缓蚀剂结构与效能关系设计、合成了一种杂环胺有机羧酸盐类气相缓蚀剂YC-1。
A novel heterocyclic amine organic-salt vapor phase inhibitor, named YC-1 was designed and synthesized based on the relationship between the structure and effect of inhibitor.
在蔬菜腌渍发酵中会产生亚硝酸盐,食品中亚硝酸盐含量测定国家标准是盐酸萘乙二胺法。
In the fermentation of pickled vegetables it would produce nitrite, and the national standard for the determination of nitrite content in food is hydrochloride naphthodiamide.
方法用盐酸萘乙二胺法检测样品中的亚硝酸盐。
Methods The nitrite was detected from samples by N-Naphthylethylenediamine Dihydrochloride.
例如,酸处理破坏谷氨酸盐和天冬酰胺酸,而碱处理破坏胱氨酸、丝氨酸和苏氨酸,并产生赖氨酞胺丙氨酸和D -氨基酸。
For example, acidic treatments destroy glutamine and asparagine, whereas alkaline treatments destroy cystine, serine and threonine, and produce lysinoalanine and D-amino acids.
用阶梯扫描伏安法研究了钴—亚硝酸盐—乙二胺体系在静汞电极上的催化波,用以测定土壤和植物中的微量钴。
The polarographic catalytic wave of Cobalt in Ethylene Diamine-Nitrite solution has been applied to determine trace Cobalt in soil and plant by staircase voltammetry on static mercury drop electrode.
除亚硝酸盐和叠氮化合物外,其它胺类和氨基酸在较低浓度时不干扰此反应。
A small amount of aminoacid and other typology amine, except nitrides and azides, will not interfere with the reaction when their concentrations are low.
目的:探讨澳洲茄胺盐酸盐(SBHL)对环磷酰胺处理小鼠免疫功能的影响。
Objective:To explore improving impact of Sdosodine Hydrochlorida(SBHL) on immune fuction in mice treated with cyclophosphamide(CTX).
结果表明,有机硅酸盐有一定的缓蚀性能,其中,胺丙基硅酸钠和聚醚有机二硅酸钠的缓蚀效果比硅酸钠好。
The effect of v -arninopropyl sodium silicate and poly ether-bearing organ di-sodium silicate is better than sodium silicate.
研究结果表明,环己基二炔氧甲基胺膦酸盐在盐酸介质中的缓蚀机理为覆盖效应。
The results show that n, Ndipropynoxy methyl amine trimethyl phosphonate possesses high inhibiting efficiency and geometric blocking effect.
研究了以十六胺和三氧化硫脲为原料制备十六胍亚硫酸盐的方法。
The preparation methods of hexadecylguanidium sulfite from hexadecylamine and aminoiminomethanesulfonic acid was studied.
目的制备左沙丁胺醇盐酸盐,并对拆分后得到的S-沙丁胺醇进行外消旋化。
OBJECTIVE To prepare levalbuterol hydrochloride and make S-salbuterol racemized after the resolution.
再将有机胺的盐酸盐与乙炔反应,在非汞催化剂的作用下生成氯乙烯。
The amine hydrochloride is subsequently reacted with acetylene in the presence of mercury free catalysts to produce vinyl chloride.
并对最新开发的红色磷化、专用无渣磷化、无含亚硝酸盐促进剂(含硫酸羟胺)磷化申请了专利。
And the latest development of the red phosphating, special no residue phosphating, no free of nitrites promoting agents including sulfuric acid amine phosphating applied for patent.
用三氧化硫脲和十二胺为原料合成了重十二胍亚硫酸盐 。
Dodecyl guanidine hydrogen sulfite has been synthesized from dodecyl amine and aminoiminomethanesulfonic acid.
许多亚硝酸盐检测试剂的效力受到胺干扰造成有毒亚硝酸盐没有被发现。
Many nitrite test kits have the potency to suffer from amine interference resulting in toxic nitrite not being detected.
许多亚硝酸盐检测试剂的效力受到胺干扰造成有毒亚硝酸盐没有被发现。
Many nitrite test kits have the potency to suffer from amine interference resulting in toxic nitrite not being detected.
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