The fractionation procedures, mineralization of soil organic sulphur as well as the transformation and bio availability of added sulfur in soil were all discussed.
明确了土壤有机硫形态的分级方法、有机硫的矿化及其影响因素以及外源无机硫和有机硫在土壤中的转化及生物有效性。
The validity and availability of phosphorus in sandy soil was systematically studied using chemical analysis, bio - adsorption test and biological diagnoses.
应用化学分析、吸附试验和生物诊断方法，系统研究了风沙土磷的有效性和利用率。
Incubation and pot experiments were carried out to study the effects of organic manures on soil organic phosphorus fractions and their bio-availability.
通过培养与盆栽试验，研究了有机肥料对土壤有机磷组分及其生物有效性的影响。
Root exudates could activate heavy metals in soil, and enhance their bio-availability by dissolving, chelating, deoxidizing, decrease migration of heavy metals by fixating and inactivating.
根系分泌物可通过溶解、螯合、还原等作用活化土壤重金属，提高重金属的植物有效性，或固定和钝化重金属，降低重金属的移动性。
The relatively high bio-availability of mercury in the sediments indicated certain potential hazard to the mangrove ecosystem.
沉积物中汞的生物有效性较高，对红树林生态系统存在一定的潜在危害。
The synergy effect of the interaction of nutrients and environmental factors is the key to increase the nitrogen nutrient bio-availability, reduce nitrogen losses in a specific Cultivation mode.
充分发挥水稻生产中水氮耦合效应是提高氮肥利用率，实现节本增效和降低环境污染风险的有效途径。
Surface sediments were sampled from the mangrove wetland in Quanzhou Bay to study the distribution, speciation, and bio-availability of mercury in the sediments.
采集了泉州湾红树林湿地表层沉积物样品，测定了沉积物中不同形态汞的含量，研究了汞的分布特征、赋存形态及其生物有效性。
New thermoplastic elastic SEBS has the excellent properties of bio-availability, non-toxic, being green and easy to process. These excellent features make it good for medical infusion hose material.
新型热塑性弹性体sebs具有生物相容性优良、无毒、环保及易加工等特点，正是用于制作输液器软管材料的极佳选择。
Tessier's sequential extraction procedure for the speciation was adopted to study speciation and bio-availability of Cu in soil of Dexing Copper Mine.
采用Tessier连续逐级形态提取方法，研究了德兴铜矿土壤中铜存在的化学形态和生物可利用性。
Tessier's sequential extraction procedure for the speciation was adopted to study speciation and bio-availability of Cu in soil of Dexing Copper Mine.
采用Tessier连续逐级形态提取方法，研究了德兴铜矿土壤中铜存在的化学形态和生物可利用性。
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