Experimental results show that a soil substrate containing waste crumb rubber with a small grain diameter has the best average water retaining capacity and stronger water retaining capacity.
实验结果表明含废胶粒径小的土壤基质的平均保水力最好，具有较强的水分维持能力。
Soil enzyme activity was mostly affected by substrate concentration.
土壤酶活性主要受底物浓度变化的影响。
The cucumber plant of 1/500 with soil culture and 1/1000 with substrate culture obtained the higher plant height, leaf area, leaf number and content of dry matter than other treatments markedly.
土壤栽培和基质栽培黄瓜分别以1/500浓度和1/1000浓度处理植株干物质的积累、株高、叶片数和叶面积均显著高于其它处理。
Substrate can consist of potting soil without chemicals, cypress bark or crushed coconut fiber.
垫材可以采用不含化学品的盆栽土壤，桧树皮或椰砖土。
Effect of ethanol concentration on the soil invertase activity and effect of different substrate (saccharose) concentrations on the relationship between invertase activity and ethanol were studied.
研究了不同浓度乙醇对土壤转化酶活性的影响以及不同底物(蔗糖)浓度对乙醇与转化酶活性关系的影响。
To achieve rapid moisture detection of culture media, dielectric type EC-5 soil moisture sensor was used to make adaptive test with substrate in different proportions.
为实现栽培基质水分快速检测，在不同配比的基质中采用电介质型EC - 5土壤水分传感器进行了适应性测试。
Coatings deposited by arc - sprayed zinc, aluminum on the steel substrate are proven to have sufficient corrosion resistance in the atmosphere, freshwater, seawater and soil environments.
电弧喷涂锌、铝制备涂层，广泛用于钢铁构件耐大气、淡水、海水和土壤环境的长效附腐。
The physical and chemical properties of soil and substrate are different, so the moisture sensors can not be used directly for measuring the substrate moisture due to the great errors.
土壤与基质的理化特性相差较大，土壤水分传感器测定基质含水率时有较大误差，不能直接用于基质含水率测定。
The density of the Pinus tree-belt at the dune site should be paid special attention to because soil water holding capacity was poorer at this substrate;
由于沙丘土壤的保水性差，即使在夏秋雨季也不能有效保持水分，因此，沙丘油松林带应注意密度控制。
The method is also easy and fast, sensitive and reliable. The method can be applied to the polycyclic aromatic hydrocarbon analysis of soil and substrate sludge samples.
采用本发明的方法去除速度快，效果好，方法简单，快速，灵敏，可靠，可用于土壤及底泥样品中多环芳烃的分析。
The method is also easy and fast, sensitive and reliable. The method can be applied to the polycyclic aromatic hydrocarbon analysis of soil and substrate sludge samples.
采用本发明的方法去除速度快，效果好，方法简单，快速，灵敏，可靠，可用于土壤及底泥样品中多环芳烃的分析。
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