ammonium

The results indicated that nitrobacteria, which were isolated from the high available nutrient content soil, had great ability of ammonium nitrogen transformation; the ammonium nitrogen transformation nitrobacteria may be survival in such soils. 2.

即速效养分含量较高土壤中的硝化细菌对铵氮的转化能力强，该土壤中可能生存着对铵氮转化能力强的硝化细菌。

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Thermal and thermo oxidative degradation of polystyrene modified with ammonium polyphosphate, ammonium sulfate and zeolite Y was studied during the compounding process and the thermal treatment, based on molar mass and its distribution.

基于体积排除色谱实验结果，详细分析了聚磷酸铵、硫酸铵、合成分子筛Y改性的聚苯乙烯在塑化混合过程和热降解过程中分子量及其分布的变化规律。

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Water-soluble single-walled carbon nanotubes were prepared by successive ammonium persulfate oxidation and ammonium sulfamate chemical modification.

通过过二硫酸铵氧化和氨基磺酸铵化学修饰两个步骤,制备了在水中有较大溶解度的单壁碳纳米管.

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According to the different contents both silicon tetrafluoride and hydrogen fluoride in production of phosphate fertilizer, they are absorbed with ammonium fluoride and/ or ammonia to obtain high concentration solution of ammonium fluosilicate, which is ammoniated and separated.

依据磷肥生产排出含氟废气中的四氟化硅和氟化氢含量的不同，以氟化铵和/或氨进行吸收，得到高浓度的氟硅酸铵溶液。

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Impurities have an important effect on the heat stability of ammonium nitrate.

杂质对硝酸铵的热稳定性有着极其重要的影响.

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An improved technology for synthesis of glycine from ammonium monochloroacetic acid and ammonium bicarbonate was studied.

提出了用氯乙酸铵和碳酸氢铵为原料合成甘氨酸的工艺.

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An HPLC method was used to analyze monosultap ammonium.

采用高效液相色谱法分析杀虫单铵.

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Like tertiary ammonium, quaternary ammonium salt has accelerating effect on curing of acid anhydride/ epoxy resin system and has a certain degree of latent tendency.

本文研究了季铵盐对酸酐/环氧树脂体系的促进作用.结果表明，这种季铵盐与叔胺一样可作为酸酐/环氧树脂固化体系的促进剂，且具有一定的潜伏性。

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Heteropoly quaternary ammonium was synthesized by P-Mo-V heteropoly acid with tetrabutyl ammonium bromide, and was then characterized by FTIR and XRD. Results showed the Keggin structure of heteropoly anion had not collapsed and had combined with quaternary ammonium.

以自制的P-Mo-V三元杂多酸为反应物，采用复分解反应合成了杂多季铵盐，并用FTIR和XRD对其进行了表征，证明杂多阴离子的Keggin结构没有损坏并与季铵离子成功化合。

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Ammonium chloride vaporizes on heating, and sublimes back to a solid on cooling.

氯化铵受热蒸发, 升华,冷却还原为固体.

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Introduce process calculation, process flow sheet, equipment erection and effect of production application of screw plate heat exchanger used in ammonium chloride production in double decomposition reaction production of potassium nitride and ammonium chloride process.

介绍复分解法生产硝酸钾与氯化铵工艺中，螺旋板换热器应用于氯化铵生产的工艺计算，工艺流程，设备安装及生产应用效果。

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The study on the ION-ENCHANGE method producing low k and Na ammonium chloride from ammonium potassium chloride

离子交换法从氯化钾铵中生产低钾钠氯化铵方法的研究

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Agricultural potassium nitrate and ammonium chloride are produced double decomposition from potassium chloride and ammonium nitrate.

用氯化钾与硝酸铵为原料,采用复分解法生产农用硝酸钾与氯化铵.

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The usual counter-ions are sodium, potassium and ammonium.

反 离子通常是钠, 钾和铵.

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The results indicate that ammonium ferric sulfate is possessed of good catalysis.

结果表明,硫酸铁铵具有良好的催化作用.

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The ammonium chloride is neutralized by vaporizing and thickening from mother liquors.

而吸附钼后剩下的母液蒸发、浓缩、结晶出氯化铵,可用作农用化肥.

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Ammonium carbonate decomposes to ammonium and bicarbonate.

碳酸铵进一步分解为铵离子和碳酸氢根离子.

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Alumium powder is placed in a saturated solution of ammonium perchlorate in water.

铝粉放在过氯酸铵的饱和溶液中.

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More ammonium sulphate solution is being recovered in the process of distilling oil shale.

在提炼油页岩的过程中回收的硫酸铵液比过去多了.

《简明英汉词典》

But ammonium fertilization may have to be increased.

不过铵态肥料是应该增施的.

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It is compatible with ammonium compounds.

它可与氨化合物混用.

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Ammonium chloride under thermal dissociation forms ammonia and hydrogen chloride gases.

氯化铵在热力分解作用下形成氨和氯化氢气体.

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Main products of the Joint Chemical concentrated nitric acid and ammonium nitrate.

联合化工主营产品为浓硝酸和硝酸铵.

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Insoluble in water but soluble in hot ammonium acetate.

不溶于水,能溶于热的醋酸铵.

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JFC is put into ammonium chloride and crystal aluminum chloride hardening liquid, the quantity addition of octanol ranges from 0.05% to 0.10% quantity of ammonium chloride and aluminum chloride, Surface coating and cast quality of shell have a famous effect.

把表面活性剂JFC加入到氯化铵、结晶氯化铝硬化液中，JFC加入量为氯化铵、氯化铝溶液质量的0.05%~0.10%，型壳的表面涂层和铸件质量得到满意的效果。

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More ammonium sulphate solution is being recovered in the process of distilling shale oil.

在提炼油页岩的过程中回收的硫酸氨液比过去多了.

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Ammonium Molybdate is also called Ammonium Tetramolybdate ( ATM ) according to the formula.

钼酸 铵 按其分子式又可称为四钼酸铵.

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Thermal and thermo-oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated acid were studied.

讨论了硝酸铵 、 硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响.

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Aluminum phosphate was prepared by solid-phase synthesis in three different templates ( organic ammonium) with aluminum chloride and ammonium dihydric phosphate at 180 ℃ for 2 h, and was characterized by XRD, IR, chemical analysis and ICPS.

用3种模板采用固相合成方法，以氯化铝和磷酸二氢铵为原料合成了磷酸铝，产物经XRD，IR，化学分析和ICPS表征。

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Ammonium Copper Quaternary ( ACQ) is a novel wood preservative. DDAC, copper sulfate pentahydrate, ammonium hydroxide or ethanolamine were used to synthesize three different kinds of ACQ ( type A, type B, and type D).

利用二甲基二癸基氯化铵（DDAC）、五水合硫酸铜、氨水或乙醇胺合成3种不同的氨溶烷基铜铵（ACQ，包括A型、B型、D型）。

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