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- Water soluble fluoride in soil 土壤水溶性氟
- The method has been used to determine trace iodine and water soluble phos phorus in soil with satis factory results in the presence of water-soluble... 在水溶性高分子存在下,对土壤中水溶性磷及痕量碘进行了高灵敏度的测定。
- The effect of partially acidulated phosphate rock compound fertilizer and the degeneration mechanism of water soluble phosphate in soil were introduced. 介绍了部分酸化磷矿一步法制复合肥的肥效及水溶磷在土壤中的退化机理。
- Dynamic Change of Water Soluble Organic Carbon in Soil with Different Fertilization under Phyllostachys praecox cv. Prevernalis Stand 不同施肥雷竹林土壤水溶性有机碳动态变化
- An increase in soil water content would decrease their movement. 土壤水分含量的增加将减低它们的移动。
- Research of Dynamic Absorbed Model of Fluoride in Soil of the Aeration Zone 氟化物在包气带中动态吸附模型的试验研究
- Water soluble functional vegetable protein. 水溶性植物功能蛋白。
- Determination of sulphuryl fluoride in air by gas chromatography. 空气中硫酰氟气体浓度的气相色谱法测定。
- This is true whether plants are grown in soil or water. 无论植物种在土里或水里这都是客观事实。
- CHANGES IN COMPOSITION AND CONTENT OF NUTRIENTS AND WATER SOLUBLE SALTS IN SOIL UNDER PLASTIC GREENHOUSE TOMATO CULTIVATION IN RELATION TO FERTILIZATION 大棚栽培番茄不同施肥条件下土壤养分和盐分组成与含量的变化
- Amounts of moisture in soil vary greatly. 土壤中湿度变化很大。
- A water soluble metal antirusting agent was prepared. 制备了一种水溶性金属防锈剂;
- The seed may grow if you plant it in soil. 如果你把这种子种在土里,它可能会生长。
- Methylthymol Blue, tetrasodium salt, water soluble, pure... 询价 甲基百里香酚蓝(四钠盐);
- Their role in soil has not been defined adequately. 它们在土壤中的作用还未充分肯定。
- Formaldehyde is a water soluble and volatilizable pungent gas. 本课题在上海市11家医院病理科环境中,进行了空气中甲醛浓度水平的监测,对116名病理科医师进行了问卷调查和嗅觉功能、肺功能检测。
- A plant that thrives in soil rich in lime. 钙生植物生长于富含石灰质土壤中的植物
- NPS models application in soil erosion simulating. 非点源污染模型在土壤侵蚀模拟中的应用及发展动态
- Objective To study the function of electromagnetic fields on decrease turbidity value and fluoride in drinking water. 摘要目的探讨复合电磁场降低水的浑浊度和除氟功能。
- Most herbicides were degraded and run off in soil. 大部分除草剂在土壤环境中被降解或流失。