For example, a reduction in organic carbon and nutrients, including phosphorus or nitrogen, as may occur in intensively farmed areas, DE creases the fertility of soils.
例如,过度耕种的土地可能发生有机碳和营养的减少,包括磷或氮,降低了土壤的肥力,在农作物密集的地区往往是这样。
The reduction of carboxylic acid is an important reaction in organic chemistry.
羧酸的还原是有机化学中的重要反应。
Light stability, in the presence of organic matter reduction of the vulnerability of black metallic silver.
在有机物存在时易被还原为黑色金属银。
Reduction of azides is an important method to introduce amino group to organic molecules.
叠氮还原是向有机分子中引入氨基的重要方法。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
此外,它除了还原双键以外可以用来还原各种不同的有机化合物,如:硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
This article reviews recent methods used in organic synthesis for the stereoselective reduction of alkynes to Z or E alkenes.
综述了在有机合成领域中,通过炔烃立体选择性还原制备Z-或E-烯烃的近期方法。
The kinetic law and reaction mechanism or electrochemical reduction and the adsorption of unsaturated organic acid on Ir-Rh alloy electrode were systematically studied.
对不饱和有机酸在铱-铑合金电极上的吸附和电化学还原过程的动力学规律和反应机理进行了系统的研究。
The mechanism of organic matrix modifiers were: acting as superficial modifier and complex reagent, creating strong reduction atmosphere after decomposed.
有机基体改进剂的作用机理为:本身表面活性和络合作用,分解产物形成强还原气氛。
The close space relation was kept between uranium and the organic matter of various evolution stages due to the good adsorption and reduction of organic matter.
有机质良好的吸附作用和还原作用使铀与各演化阶段有机质保持着紧密的空间联系。
However, the positive forced aeration could accelerate the moisture content reduction and the organic matter degradation of mixtures of sewage sludge and amendment.
但正压强制通风能加快堆料含水率的降低和有机质的降解。
This paper reviews the deoxygenative reduction and dehalogenative reduction of organic compounds with the low valent tungsten reagents.
本文对低价钨试剂与有机化合物的脱氧、脱卤还原反应作了简要的叙述。
Reduction of naturally occurring organic compounds ultimately leads to improved water quality and healthier specimens.
减少自然产生的有机物,最终导致水质改善和健康的标本。
After biologic reduction zone is developed and biochemical layer is produced fully, organic contaminants can be naturally biodegraded.
只有当生物还原带形成后,生化层才发育成熟,包气带对有机物能进行有效地降解和清除,具有良好的天然降解功能。
Finally measures for risk reduction and accident prevention on organic peroxide's storage, transportation, use, discards were proposed.
提出过氧化物储存、运输、使用、报废等方面的风险消减与事故预防措施。
Water or water used for organic solvent coating, excellent film forming and viscosity, have good barrier, an increase of compressive strength, reduction of debris.
用作水性或含水的有机溶媒包衣,优良的成膜性和粘性,有较好的屏障作用,增加了抗压强度,减少碎片。
Characteristic: Organic matter with nature beautification and excellent reduction of moisture evaporation, also help enhance land ventilation and restrain dust rising.
特性:自然美观的有机物,减少水分蒸发,增加土壤透气性,抑制扬尘。
Thermal reduction is a new alternative recently developed to handle organic sludge derived from waste water treatment processes.
加热分解是近年来用于处置污水处理过程中产生的有机污泥的一种新方法。
The applications of sodium hydrogen telluride in organic synthesis including reduction, de-protection and synthesis of organotelluriumcompounds are summarized with 40 references.
介绍丁碲氢化钠的性质、制备、反应、去保护反应等,并对其在有机合成中的各种应用进展做了综述。附参考文献40篇。
Characteristic: Organic matter with nature beautification and excellent reduction of moisture evaporation, also help enhance land venti...
特性:自然美观的有机物,减少水分蒸发,增加土壤透气性,抑制扬尘。
Characteristic: Organic matter with nature beautification and excellent reduction of moisture evaporation, also help enhance land v...
特性:自然美观的有机物,减少水分蒸发,增加土壤透气性,抑制扬尘。
The results indicated that the organic Mo additives exhibit excellent anti-wear, friction-reduction properties and good extreme pressure property than liquid paraffin.
试验结果表明:两种有机钼添加剂均具有优异的抗磨减摩性能和极好的承载能力。
Schiff base is the Types of organic compounds which contain C-N double bond of the imine or azomethine group characteristics. the early research focus on Amine Schiff base reduction.
席夫碱主要是指含有碳氮双键的亚胺或甲亚胺特性基团的一类有机化合物,早期的研究一般为缩胺类席夫碱。
Use: used as a reduction agent, a catalyst for the production of methyl formate, and organic synthesis of pharmaceutical raw materials.
用途:用作缩合剂,生产甲酸甲酯的催化剂,用于医药原料的有机合成。
Organic acids are the most important intermediate products in anaerobic digestion, from which most CH4 is formed by their further reduction.
有机酸是厌氧消化过程中有机物降解时产生的重要中间产物,大部分CH4气体都是由有机酸的进一步分解而形成的。
There is evidence indicating that reduction of plant cover reduces the availability of organic particles in the atmosphere.
有证据表明,植被减少也减少了大气中有机粒子的存在。
Reduction of organic halides catalyzed by various titanium compounds has been studied.
本文报导了用多种不同的钛催化体系对卤代烃进行还原反应的结果。
Structure of organic macromolecule polymer Teflon (PTFE) and theory of its self-lubricating and friction reduction were described in detail.
详细介绍了有机高分子聚合物聚四氟乙烯(PTFE)的结构特点及它作为自润滑减磨材料的原理。
This paper introduces the method of applying valence in balancing inorganic and organic oxidation-reduction reaction equation.
配平氧化还原反应方程式的原则是:还原剂氧化数升高的数值等于氧化剂氧化数降低的数值。
Moisture content, total N, organic matter decreased 10.6,1.2,18.9, weight reduced 43.6 percentage , the effect of reduction was obvious.
经过一次堆肥,物料的含水率、总氮、有机物分别降了10.6、1.2、18.9个百分点。重量减少了43.6个百分点,减量化效果明显。
Moisture content, total N, organic matter decreased 10.6,1.2,18.9, weight reduced 43.6 percentage , the effect of reduction was obvious.
经过一次堆肥,物料的含水率、总氮、有机物分别降了10.6、1.2、18.9个百分点。重量减少了43.6个百分点,减量化效果明显。
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