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- This creates mulch on the soil surface. 这可以在土地表面形成覆盖物。
- Hao Cunjiang, Professor, devoted to the research on surface chemistry. 郝存江,教授,主要从事界面化学研究。
- Heinemann Shaw Introduction to Colloid and Surface Chemistry 4th ed. 胶体和表面化学导论第4版。
- American chemist. He won a1932 Nobel Prize for his work in surface chemistry. 朗缪尔,欧文1881-1957美国化学家,以其在表面化学方面的工作而获得1932年的诺贝尔奖
- Principles of Colloid and Surface Chemistry, Marcel Dekker, Inc. 1997. 胶体与表面化学,沈钟、王国庭编著,化学工业出版社,1997年。
- The distance of the water table below the soil surface must be adjusted. 必须调整土壤表面以下水位的距离。
- Nitric acid has much more surface chemistry effects on the low modulus carbon fiber than high modulus one. 硝酸氧化对低模量碳纤维的表面改性远比高模量碳纤维的大。
- P. C. Hiemenz and R. Rajagopalan, “Principles of Colloid and Surface Chemistry,” Third Edition, Revised and Expanded. 陈浩平;“微流体晶片之表面张力与微流道几何尺寸关系分析模拟;”南台科技大学机械工程系硕士论文;2003.
- The surface chemistry for these assays comes from the work of Milan Mrksich of the University of Chicago. 用在这种测定法中的表面化学,是美国芝加哥大学的密克西荷的研究成果。
- The impact of colloid and surface chemistry factors on the reaction is analyzed. Suggestions on process improvements are raised. 分析胶体与表面化学因素对反应的制约,提出了有待改进的工艺环节和改进方向。
- Moddeman W E. Role of Surface Chemistry in the Ignition of Pyrotechnic Materials[A]. 7th International Pyrotechnics Seminar[C]. 1981. 金昌龙;译.;用表面活性剂使燃速长期不变的延期药[R]
- In our experiment desirable results were obtained by covering the soil surface with plant ash and fine sands. 经试验,用草木灰和细砂覆盖地面的方法,造成干燥的生态条件,对控制发生效果显著;
- Herbs, perennial, acaulescent or shortly caulescent, ascending, rosette but rarely closely appressed to soil surface. 多年生草本,无茎或短茎,上升,莲座丛但很少紧密地贴伏于土表。
- Mulches prevent crusting of the soil surface, thus improving the absorption and movement of water into the soil. 覆盖物可以防治土壤表层板结,使水份容易被土壤吸收。
- Fig. 4. Pycnidiospore survival of Didymella bryoniae placed at soil surface, 5, 15, and 30cm below ground at field. 四、在土壤表面、地表下5、15及30公分土壤深度的瓜类蔓枯病菌柄孢子存活情形。
- The structural properties and surface chemistry of the samples with different treatments were characterized by using sorption of nitrogen and Boehm titration , respectively. 实验所选活性炭及相应的表面改性炭使用氮气吸附和Boehm滴定分别进行了结构性质和表面化学表征。
- The study of herbicide deposition on soil surface and wheat stubble in different wheat mulch conditions is conducted. 研究了不同兑水量情况下,除草剂在免耕麦茬土壤表面和麦茬上的沉积规律。
- In this paper was preformed numerical simulation for micro-scale combustor with coun-terflow heat exchanger using both CFD FLUENT and surface chemistry subroutine DETCHEM. 本文联合使用计算流体力学软件FLUENT和可以计算表面反应的化学反应动力学软件DETCHEM对有逆流换热的微尺度燃烧器进行了数值计算。
- Indeed the ecology is destructed continuously and the soil surface nutrition is also washed out. 于自然生态环境中,生态演替和气候转变不断在进行,但速度是相对缓慢的。
- Area of existing vegetation con't. seed to the soil surface where they may compete with the new native grass plantings. 现有植被种子不可落在土壤的表面,因为他们将会与新的天然牧草争夺养分。