查询词典 organic

The feasibility study on degradation of organic phosphorous pesticide by photocatalysis with the existence of dioxide titanium has been introduced in this paper, which signify that 90% COD can be removed and all the organic phosphorous turned into the inorganic provided that COD and organic phosphorous in the influent is 650 mg/L and 19.8 mg/L respectively and the wastewater is irradiated 4 hours with the strength of 375 W mercury arc lamp.

在TiO2粉末的存在下，研究光催化降解有机磷农药废水的可行性。结果表明，CODcr650mg／L，有机磷19.8mg／L的有机磷农药废水在375W中压汞灯照射4h，COD去除率为90％，有机磷将完全转化为无机磷。

Because of their remarkable electric and mechanic features, highly active surface area as well as chemical modifiability, carbon nanotubes are considered to be very useful materials in nano-science and nano-technology, among which the composite materials of carbon nanotube-organic compounds have attention since these materials are bote inorganic and organic features together with the properties of the organic compounds.

在复合薄膜中，氧化了的碳纳米管充当"阴离子膜"，促进电活性物质与电极之间的电子转移。

A considerable attention has focused on hybrid organic–inorganic nanocomposites in recent years. Organic–inorganic hybrids have both the advantages of organic materials, such as light weight, flexibility and good moldability, and inorganic materials, such as high strength, heat stability and chemical resistance.

近年来有机和无机杂化材料受到了广泛的重视和研究，有机和无机杂化材料具有有机材料的质地轻、柔软和可加工性能好以及无机材料的高强、高热稳定性和化学稳定性等特点。

Using organic fertilizers to replace 20～30% chemical fertilizers could reduce more than 30% TN loss in rainfall runoff, seeding-period and field-baking-period drainage, and could decrease 19.43～25.91% leaching loss of TN. In wheat field, using organic fertilizers to reduce 20% chemical fertilizers, in which refined organic fertilizers could reduce 2.59kg/ha leaching loss coefficient of TN, zymolytic pig ordure could increase 2.22kg/ha leaching loss coefficient of TN.

水稻田在增施有机肥而减少20～30％化肥用量的情况下，包括降雨径流、播期和烤田排水的TN流失量可以减少30％以上，TN渗漏淋失可以减少19.43～25.91％；麦田在增施有机肥而减少20％化肥用量的情况下，施用精制有机肥可以减少TN淋失2.59kg／ha，施用发酵的猪粪则增加TN淋失2.22kg／ha；蔬菜轮作试验表明，相同施肥量下，适当使用精制有机肥可以减少TN淋失12.80kg／ha。

Using the basic principle of the color fading of Mn(Na2HP2O7)3, due to oxidizing by oxidizable organic matter at concentrated H2SO4 the effects of different concentrations of organic carbon compounds, colorimetric conditions (temperature, color developing time and colorimetric wave length) and some intervening ions on the colorimetric determination of dissolved organic carbon were systematically studied.

利用紫红色络合物Mn(Na2HP2O7)3在浓H2SO4存在时可氧化有机质使络合物颜色变浅的基本原理，系统研究了不同种类、不同浓度的有机碳化合物、比色测定的条件(温度、显色时间和比色波长)与一些干扰离子对水溶性有机碳比色测定的影响。

Straw application, whether straw mulch or incorporated straw with soil, increased the content of soil labile organic carbon and incorporated straw with soil as more beneficial to the increase of the contents of hot water-extractable carbon, potentially mineralizable carbon acid-extractable carbon, readily oxidizable carbon, particulate organic carbon, and light fraction organic carbon.

表施秸秆和混施秸秆均能使土壤活性有机碳含量增加或显著增加，混施秸秆较表施秸秆更有利于热水提取态碳、可矿化碳、酸提取态碳、易氧化态碳、颗粒有机碳和轻组有机碳含量增加，而可溶性有机碳和微生物生物量碳的变化与秸秆施用方式关系不大。

The acidic composition can be prepared by mixing a monovalent or polyvalent cation and an organic acid in the presence of a strong oxyacid, wherein the resultant acidic composition is less corrosive to a ferrous metal than a solution of a mineral acid having the same acidic pH value as that of the acidic composition, and where in the acid composition is more biocidal than a mixture of the organic acid and a metal salt of the organic acid which mixture has the same acid normality value as that of the acidic composition.

所述酸性组合物可以在一种强羟基酸存在时，通过混合单价或多价阳离子和有机酸来制备，其中与具有相同的酸性pH值的无机酸溶液相比，所形成的酸性组合物对含铁金属的腐蚀性更小，并且与具有相同酸当量值的有机酸与有机酸金属盐的混合物相比，所述的酸组合物具有更强的杀生物作用。

Charge Transfer Material, as the main part of the Charge Transfer Layer of Organic Photoconductor and Organic Electroluminescent Devices, will significantly influence the performance of organic photoconductive devices.

电荷传输材料是有机光导体中电荷传输层的主要组成部分，其性能的优劣将直接影响有机光导体的性能。

Chemical mechanism on formation of secondary organic aerosols involves in photooxidation process of volatile organic compounds and subsequent chemical reaction, which directly lead to increase of ozone concentration and to formation of secondary organic aerosol in troposphere.

二次有机气溶胶形成的化学机理主要涉及到挥发性有机化合物的光氧化过程及其一系列的后续反应，它们导致了对流层中臭氧浓度的增加和二次有机气溶胶的形成。

This thesis consists of four parts as follows: Part I: ReviewThe purpose of the present review is to summarize the organic chemistry of polyvalent iodine compounds regarded as Chlorides, Fluorides, Oxidize reagents in the field of organic synthesis, especially focus on their synthetic application and space structure, there are lots of reaction examples to illustrate the incomparable merits of organic polyvalent iodine compounds in the synthesis of some drugs and natural products.

本论文由以下四部分组成：第一部分：文献综述本部分比较全面地回顾了有机含碘化合物作为氯化、氟化、氧化试剂在精细有机合成中的应用，主要针对含碘试剂的合成及其结构做了比较详细的综述，并且列举了大量反应实例引证了这种类型试剂在药物及天然产物合成方面具备的优势。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。