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Catalysts are made by impregnating a porous transition alumina support with an aqueous solution of a copper ammine carbonate complex, draining off any excess of the impregnating solution, and then heating the impregnated support to a temperature above 80 DEG C to decompose the complex thereby depositing a basic copper carbonate compound on the surfaces of the pores of the transition alumina support.

用作例如催化剂的铜/氧化铝组合物,通过用碳酸铜氨配合物的水溶液浸渍一种多孔氧化铝载体,排出任何多余的浸渍液,然后加热所浸渍的载体到80℃以上的温度来分解所述配合物,从而在所述过渡型氧化铝载体的气孔表面沉积一种碱式碳酸铜来制备。

Certain solid-state properties of the drug substance (e.g., polymorphic form or amorphism, solvation or hydration, various types of inclusion complexes, and particle size or surface area) may profoundly affect dissolution and bioavailability from solid dosage forms or suspension drug products.

一些原料药的固态特性(如:多晶型物或无晶型物,溶剂化作用或水合作用,各种包含物复合体,颗粒尺寸或表面面积),可能极大地影响着固态和悬浮态形式的制剂药品的分解的生物药效率。

This phenomenon is supposed to be due to the abundant animalcule and active organic oddment in the surficial sediments and decomposition of organic matter and phosphorus compounds, leading to the dissoluble phosphorus into the pore water.

沈积物和孔隙水中磷的剖面特徵研究表明,表层沈积物和孔隙水中的磷都有明显上升的趋势,是由於沈积物的表层微生物和活性有机碎屑层比较丰富,有机质降解和含磷的有机化合物分解,使溶解性磷酸盐进入孔隙水。

It was found that the tetrahedrally coordinated Ti in the titanosilicate molecular sieve was the main reason to arise H2O2 decomposition as well as the effect of acid centers of the catalyst.

结果表明,分子筛骨架Ti和其拥有的酸性位是造成H2O2在分子筛上分解的主要原因,非骨架Ti对H2O2分解的影响弱于骨架Ti.H2O2的无效分解直接影响反应物的转化效率。

To explore the effects of exogenous nitrogen input on the enzyme activity of Calamagrostis angustifolia during litter decomposition in a freshwater marsh, we supplied dissolved NH4NO3 (N0:0; N1:6 g·m-2·a-1;N2:12 g·m-2·a-1) to field plots on the Sanjiang Plain and determined the enzyme activities of litter decomposition within 160 d using litter bags.

以三江平原沼泽湿地典型湿地植物小叶章枯落物为研究对象,采用分解袋法研究了不同外源氮输入(N1、 N2分别为 6 、12g·m-2·a-1)对小叶章枯落物分解过程酶活性的影响,并设置对照区(N0,0 g· m-2·a-1)进行比较。

In this paper,many achievements of studying on the synthesis,thermal decomposition properties and characteristics of the energetic complexes based on high-energetic compounds containing many nitrogen atoms such as carbohydrazide and 5-nitro-2,4-dihydro-3H-1,2,4-triazol-3-one as well as tetrazole,etc.

概述了以高能多氮直链化合物如碳酰肼,富氮杂环化合物如三唑、四唑类为配体的配合物的合成、热行为以及性能的研究情况,同时简要地从分子或原子结构描述了一些其他多氮含能配体如肼、肼基甲酸甲酯等所形成的配合物的晶体结构以及热分解行为,并对含能配合物的发展方向进行了展望。

The decomposition rates of litters were different significantly in the early stage of the process.

不同森林凋落物分解速率差异显著的产生是在凋落物分解前期形成的。

Part II. Synthesis, characterization and fluorescent properties of rare earthcomplexes of rutin Rare earth complexes of rutin have been synthesized by the reaction of rare earth chloride with rutin in alcohol solution (pH=7~8). The composition and thermal stability of the complexes were characterized by elemental analysis, molar conductivity, thermal analysis, IR, UV.

第二部分:稀土芦丁配合物的合成与表征及其荧光性质以稀土金属氯化物和芦丁为原料,在乙醇溶液中(pH=7~8)合成了6种稀土配合物,通过元素分析、IR、UV、热重-差热分析、摩尔电导率的测定对配合物进行了表征,确定了配合物的组成,分析了配合物的热稳定性和热分解行为。

The results showed an occurrence of phytotoxicity with clear dynamic patterns during Zanthoxylum bungeanum litter decomposition.

应用分解网袋法研究了花椒凋落物分解过程中(0、10、30 d和60 d)酚酸的释放动态及凋落物浸提液对花椒林地土壤化学性质的影响。

The decomposed temperature increases and the glass transition temperature decreases as the molar ratio of MA rises. The copolymer molar containing 30% of MA melts at approximately 188℃, which is significantly lower than the decomposed temperature. This copolymer is melt processable and is a potential material for the manufacture of PAN fibers.

含MA30mol%的共聚物的分解温度为338.8℃,而熔融温度仅为188.8℃,由于第二单体MA的加入,使得共聚物的熔点降低至分解温度之前,这为改性聚丙烯腈的无增塑熔融纺丝提供了可能性。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。