Research on the amount of desulfurized gypsum from the coal-burning power plant applied to improve the alkalized soil for paddy rice 脱硫石膏改良碱化土壤种植水稻施用量研究
The forest-steppe ecotone with alkalized grassland in Hulunbeir, which borders the Great Xing an forest region, is one of the most significant ecological barriers in North China. 呼伦贝尔森林-草原交错区属于中大尺度的生态交错带,是我国著名的大兴安岭林区与呼伦贝尔大草原唇齿相依的区域,是我国北方重要的生态屏障。
Techniques of Alkalized Soil Improvement and Rational Fertilization for Rice on Qianjin Farm in Ningxia Province 宁夏前进农场碱化土壤改良及水稻合理施肥技术研究
Study on Measuring the Degree of Alkalized Soils with pNa 用pNa度量土壤碱化程度的初探
The values of pH and the alkalized degree were analyzed and estimated for polyaluminum aqueous solution in this work. The effects of total dissolved aluminum on the limited value of pH and the limited alkalized degree were also discussed. 对聚铝溶液进行了pH值和盐基度的分析和估算,给出了聚铝溶液的极限pH值和极限盐基度与总溶解铝浓度的关系曲线。
It is necessary that the large-sized battery should be alkalized, which is not only the inevitable result of market development, but also the world developing trend. 探讨了我国大型号电池向碱性化发展的必要性,既是市场发展的必然结果,也是世界发展趋势;
Clinical study on the venipuncture pain abatement of alkalized gel of tetracaine hydrochloride 盐酸丁卡因碱化凝胶减轻静脉穿刺疼痛的临床观察
The relation was studied among the pNa, pH, exchangeable sodium, water-soluble sodium, total salt, total alkalinity and cation exchangeable capacity ( CEC) in 14 alkalized soils. 研究了14个不同碱化土壤pNa值同pH、ESP、交换性Na、全盐量、总碱度、CEC之间的关系。
Study on the Alkalized γ-Al_2O_3 Catalyst for its Base Strength Distribution and Catalytic Activity 碱改性γ-Al2O3催化剂表面碱强度分布与COS水解活性的研究
The ecologic action of litter layer in the man agement of alkalized grassland 枯草层在碱化草原治理中的生态作用
Effect of Plowing and Reseeding on Soil Physicochemical Properties and Biological Activities of Alkalized Grassland in Horqin Area 翻耙补播对科尔沁碱化草地土壤理化性质和生物活性的影响
PNa can indirect the degree of alkalized soils and take as the indexes of alkalized soils classification. pNa值可以用来度量土壤碱化程度,作为碱化土壤分类指标之一,也可使碱化土壤研究的测定方法简化。
In comparison with C_3 plants, C_4 forage showed a higher relative growth dominance in the season with high temperature, strong radiation and high precipitation and a higher relative distribution dominance at lower latitudes and salt alkalized region. 与C3植物相比,在高温、强光照和降水量大的季节,C4植物显示其更高的相对生长优势,在纬度较低和盐碱化区域,C4植物具有相对分布优势。C。
Studies of the interrelations between pH and alkalized degree of polyaluminum aqueous solution 聚铝溶液pH值及盐基度的相关性研究
Damp soil had higher contents of organic matter, total N and total P, whereas porous soil was favorable for the accumulation of alkalized N, available P and available K and for the increase of soil urease activity. 湿润土壤有机质、全N和全P含量高,疏松多孔的土壤有利于碱解N、速效P、速效K积累和脲酶活性的增加。
In the past three decades, with the population explosion and overdevelopment of the natural resources, there are many environmental problems, such as water resource scarcity, and alkalized and sandy cultivated land, which restrain the environmentally sustainable development. 近30a来,由于人口剧增和人类对自然资源的过量开发,导致该地区干旱缺水、土地盐碱化和沙化,制约了环境的持续发展。
Taking intensely saline soil as research site object in the area consisting of soda meadow saline soil, alkalized solonchak and meadow alkali soil in the Da'an Paleochannel, the aim to wash salt away from soil by planting rice with the process of irrigating and draining. 在大安古河道苏打草甸盐化土、碱化盐土和草甸碱土复区选择试验田,通过种植水稻,借助周期性的灌水、排水过程,溶洗土壤中的盐分,达到改良盐渍土的目的。
Study on the Performance and the Modification Mechanism of the Alkalized Acid-polymeric Mortar 酸性聚合物碱化的砂浆性能和机理研究
An experimental study on improvement techniques for alkalized meadow grassland in the western Horqin Area 科尔沁西部碱化草甸草地改良配套技术试验研究
Carbonyl sulfide hydrolysis on alkalized y-a_2o_3 catalyst at lower temperature ⅰ. catalyst activity and compensation effect 碱改性γ-Al2O3催化剂上羰基硫的低温水解反应Ⅰ.催化剂活性及补偿效应
Methods The alkalized plasma was extracted by organic solvents. 方法血浆样品碱化后以有机溶剂提取;
Effect of Alkalized Condition on Yield Rates of Total Alkaloids of Flavescent Sophora Root 碱化条件对苦参总碱收率的影响
The solonchak, salinized and alkalized soils with an extensive area represent a significant stress to the plant growth and development. 广泛分布的盐土、盐渍化土和碱化土表现出对植物生长发育的明显胁迫作用;
Techniques for improvement of alkalized grassland in Horqin area 科尔沁碱化草地改良配套技术研究
Adding sugar to the alkalized process, the cocoa powder changed a lot compared to the normal alkalized cocoa powder in color and flavor. 加糖碱化的可可粉色泽和风味与普通碱化粉相比有很大区别。