Experimental studies on fertilizer - adding amount in eggplant plug seedling production with vermicompost - based media 蚯蚓粪基质及肥料添加量对茄子穴盘育苗影响的试验研究
The price of elasticity of supply measures the responsiveness of quantity supplied of a good to a change in its price 价格供给弹性度量某商品的供给量对其价格改变的反应。
Dynamics of the aboveground biomass yield of the caragana stenophylla - stipa spp . community on desert grassland in mu us sandland 小针茅群落地上生物量对气候因子的动态响应
The relations of recoil mass to output force and recoil force was obtained based on the experiments 摘要在试验的基础上得出手提式电磁铆枪回弹体质量对输出力和后坐力的关系。
Impacts of plastic mulching on water saving and yield increasing of dry land spring soybean and its density effect 土壤不同微生物量对木霉菌定殖的影响和木霉菌生态学习性研究
The results show that liaohe heavy oil can undergo aquathermolysis in steam injection process 考察了在注蒸汽条件下反应温度和催化剂添加量对稠油的粘度和平均分子质量的影响。
Effect of fertilizer application quantity on the yield and the quantity of nitrate of muskmelon cultivated in organic medium 施肥量对有机基质栽培厚皮甜瓜产量及硝酸盐含量的影响
For na4edta , and the effect of ionic strength on the chelating properties of na4edta and na2edta for caso4 was reviewed 考察了含盐量对na _ 4edta和na _ 2edta溶解硫酸钙性能的影响。
Based on the hos , the features of ship - radiated noise are extracted and the three types of ship are classified in this paper 本文主要应用高阶统计量对水中目标进行特征提取及分类识别研究。
Effects of types and applying amount of solid fertilizer on growth , quality and yield of non - heading chinese cabbage under container culture 固体肥种类与施肥量对穴盘小白菜生长及产量品质的影响
