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- soil basic nitrogen supply 基础供氮量
- The effects of basic nitrogen supply capacity(BNC)of different texture soils(sandy soil,loam soil and clay soil)on potential rice yield(PRY)in Jiangsu Province were studied at 196 experiment plots in 11 counties with 19 different rice varieties. 以近年来江苏省广泛种植的19个不同基因型水稻品种为材料,在11个县市区196个田块进行试验,研究江苏省不同类型土壤基础供氮能力对水稻产量的影响。
- Effects of basic nitrogen supply capacity of different texture soils on rice yield in Jiangsu Province 江苏省不同类型土壤基础供氮能力对水稻产量的影响
- The basic nitrogen compounds include pyridines and quinolines. 碱性氮化物包括吡啶和喹啉。
- Nitrogen supply largely controls the growth and fruiting of most plants. 氮的供应密切地关系到绝大多数植物的生长与结果。
- The total soil nitrogen supply in the habitats, its distribution and the interactions between the two factors all significantly influenced dry matter productions of Z. japonica clones. 结果表明,生境中土壤氮素资源的总体水平、分布格局以及二者间的相互作用均显著影响结缕草克隆的干物质生产量。
- Where it is necessary, tests of volatile basic nitrogen (VBN) or braising and steaming may be made. 是否有出血、淤血等,必要时进行挥发性盐基氮、蒸煮试验。
- This agent can selectively remove basic nitrogen compounds from coker gas oil and the refined oil yield is over 97%. 该工艺采用研制的脱氮用精制剂,该精制剂为一种酸性络合剂,能选择性脱除焦化蜡油中的碱性氮化物,精制后油的收率97%25以上。
- Effects of Light Condition and Nitrogen Supply on Carbon -Nitrogen Metabolism of Poa pratensis L. 光氮互作对草地早熟禾碳氮代谢的影响。
- The catalytic dewaxing (CDW) of lube oil fractions with shape selective zeolite catalyst before and after the removal of basic nitrogen was compared. 本文比较了润滑油馏分脱除碱性氮化物前后的催化降凝效果(采用择形分子筛崔化剂)。
- A process for removing basic nitrogen compounds(BNC) from RFCC diesel oil was studied by adsorption using modified activated carbon. 用改性活性炭吸附脱除RFCC柴油中的碱性氮化物。
- Shen L X, Wei Y P, Wang P, Yi Z X, Zhang H F, Lan L W.Effect of nitrogen supply of early kernel development and yield in summer maize (Zea mays L.). 申丽霞;魏亚萍;王璞;易镇邪;张红芳;兰林旺.;施氮对夏玉米顶部籽粒早期发育及产量的影响
- Abstract: Removal of basic nitrogen compounds (BNC) from RFCC LCO was studied in lab using a denitrogenation agent WH-2. 摘要: 在实验室用WH-2 脱氮剂脱除RFCC 柴油中的碱性氮化物。
- The test results show that60%of the total nitrogen, 50% of the basic nitrogen and 80% of the mercaptan sulfur in the LCO can beremoved. 试验结果表明,重油催化裂化的轻柴油经乙醇溶剂精制后可脱除约60%25的总氮,50%25的碱性氮和80%25的硫酸硫,经储存试验,结果表明,精制后的柴油储存安定性有显著的提高。
- Response of Different Types of Rice Plants to the Basic Soil Nitrogen Supply 不同类型水稻品种对稻田土壤基础供氮量的响应
- A study was conducted to examine the influence of night-time warming on leaf photosynthetic capacity of Cinnamomum burmanni under different levels of nitrogen supply. 研究了不同氮供应的条件下夜间变暖对荫香叶片光合能力的影响。
- We studied the zinc adsorption properties on some soils sampled from Fengyang county,and discussed the relationship between the adsorption character and soil basic properties. 研究了凤阳县几种土壤吸附锌的性能,讨论了这几种土壤对锌的吸附性能与它们的理化性质的关系。
- Adding heteropolyacid to extracted acetic acid can separated the basic nitrogen compounds from acetic acid.So acetic acid can be recycled as extractant. 在抽提后的乙酸中加入杂多酸可使乙酸中的碱氮分离出来,乙酸可以循环使用。
- A study on the kinetics of removing basic nitrogen compounds (BNC) from RFCC diesel oil by adsorption using modified activated carbon in room temperature. 摘要 室温下对改性活性炭吸附RFCC柴油中碱性氮化物的动力学进行了研究。
- The results also indicated that the color of the fourth LFT was mainly affected by NSDB among the top 4 leaves and was lighter than the third LFT when nitrogen supply was insufficient for the need. 研究证实顶 4叶叶色受氮素供需差的影响最大 ,当土壤供氮不能满足库需氮时 ,顶 4叶叶色浅于顶 3叶