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.

The thickness of the litter layer under spruce fir was greater, the decomposition intensity was bigger, and the organic matter, total nitrogen, available phosphorus were higher, comparing with that under the pure Larix forest.

云冷杉林的枯枝落叶层的厚度和分解状况优于落叶松纯林，且有机质、全氮、速效磷含量高；

This article discusses the decomposition of energy intensity per GDP reduction by 20% all over the country in the 11th Five-year Plan period, and offers a model for decomposition and a calculation method.

本文针对近期进行的十一五期间单位GDP能耗降低20%的目标分解工作进行探讨，并提出了分解模型及分解计算方法。

Index Decomposition of Energy Intensity Changes:& Evidence from Xinjiang

能源强度变动的指数分解研究&基于新疆数据的实证分析

Effects of cover and no-tillage on soil cellulose-decomposing bacterium population and cellulose decomposition intensity

免耕及覆盖对土壤纤维素分解强度和纤维素分解菌的影响

The optimal decomposition of the intensity modulated mapping matrix for IMRT is studied in this paper.

研究肿瘤放射治疗的调强映射矩阵的最优分解问题。

While inefficient, this anaerobic decomposition can unlock quite a bit of heat.

虽然厌氧分解效率很低，但这个过程仍会释放大量热量。

The Major natural sources of atmospheric methane include enteric fermentation in ruminants and some insects, and the anaerobic decomposition of organic matter in waterlogged soils.

甲烷的主要自然源包括反刍动物和一些昆虫的肠发酵及淹水土壤的有机物的厌氧分解。

The order of the anaerobic decomposition of the sodium dithionite in the alkaline solution is 1.5 order.

在碱性溶液中，连二亚硫酸钠的分解反应级数为1.5级。

These processes are controlled by anaerobic decomposition of soil organic matter and respiration and excretion of rice roots, relating to soil proper-ties as well.

其转化主要受土壤有机质嫌气分解和水稻根系呼吸及分泌作用的制约，并与土壤基本性质密切相关。

The anaerobic decomposition rate of the sodium dithionite in alkaline aqueous solution is reported here.

本文研究了连二亚硫酸钠在碱性溶液中绝氧条件下的分解率。

The mechanism of the palladium complex 40 catalyzed Suzuki cross-coupling reaction was discussed. The cause of decomposition of catalyst and appearance of palladium black were studied.

探讨了cis-Pd（Ph2PCH2COO）2（40）催化Suzuki偶联反应机理及催化剂分解析出钯黑的原因。

The Present Situation and Development of Methanol Decomposition Catalyst

甲醇裂解催化剂的现状及发展

Hydrogen production from methane decomposition and catalyst regeneration by air in a fluidized bed reactor

流化床中甲烷裂解制氢与催化剂再生过程研究

Preparation and properties of binary metal oxide ozone decomposition catalyst

臭氧分解催化剂的制备及性能研究

The profiles of solids and ozone concentrations are measured in a downer reactor with a diameter of 0.09 m and a height of 8.2 m while ozone decomposition catalyst is circulated in the bed.

制备了臭氧分解催化剂，并以它为循环物料在内径0.09m、高度8.2m的下行床中测定了颗粒浓度分布和臭氧浓度分布。

A New Technological Study on Preparation of Barium Nitrate by Double Decomposition

复分解法制硝酸钡新工艺研究

Two main section-evaporation and cooling crystallization was reconstructed in Double Decomposition Reaction Produce KNO3, and production of reconstruction anteroposterior was contrasted.

对复分解法生产硝酸钾工艺中的两个主要工段：蒸发、冷却结晶进行改造，并对改造前后的生产情况进行了对比。

Study on preparation of high purity magnesium hydroxide by double decomposition method

复分解法制备高纯氢氧化镁的研究

Study on the Production Technology of Potassium Nitrate with Double Decomposition Reaction

复分解法生产硝酸钾工艺研究

Analysis of production technology of potassium sulfate by double decomposition

用复分解法生产硫酸钾工艺分析