Characteristics research of adsorption and desorption of Pb~(2+) on natural peat;
Pb~(2+)在天然泥炭上的吸附特征研究
Effect of peat on heavy metal bioavailability in soil system and flowering Chinese cabbage;
泥炭对菜心-土壤系统中重金属生物有效性的效应研究
Abundance and potential ecological risk of heavy metals in peat of northern Shaanxi;
陕北泥炭中重金属元素丰度及其潜在生态危害
The Studies on the Physical and Chemical Properties and Enzyme Activities of Different Turfs of Hongxing Forestry Bureau in Xiaoxingan Mountain;
小兴安岭红星林业局不同泥炭类型理化性质与酶活性的研究
Through a vast amount of data which the authors collected by field surveying on nine spots distributed in six provinces (cities) of tropic and subtropic zones, the relationship between turf deposits and plant growth, as well as that between microbic decompos-tion and cl.
泥炭是由于植物残体积累大于微生物分解量的结果,两者都与水热条件有密切关系,是特殊水热条件组合长期持续的产物。
Water content of turf in seedling balls was measured in different water immerging depths and retention time.
为了简化现有育苗系统结构,提高灌溉水利用率,基于植物生理设计了温室平地漫灌育苗系统;同时,测试计算了苗钵在不同浸水深度、不同浸水时间时泥炭基质的含水率。
Sphagnum peat is the best on the capacity of purification and herbaceous peat with high organism is on the second place.
重点阐述了用不同类型的泥炭处理含铬废水的效果,论证了净化能力以泥炭藓泥炭为最佳,其次是高有机质的草本泥炭。
Solution pH,oscillation time,modified peat and other conditions of initial concentration were experimented.
为了研究泥炭对重金属离子(Pb2+、Cu2+、Cd2+、Cr6+、Ni2+)吸附率的各种影响因素,依次进行了溶液pH、振荡时间、改性泥炭投加量、溶液初始浓度等条件试验。
A modified peat absorbent with excellent absorbability was prepared using peat as the major raw material.
在静态条件下,研究了改性泥炭对重金属离子Pb2+、Ni2+、Cu2+的吸附性能,着重探讨了改性泥炭去除废水中重金属离子Pb2+、Ni2+、Cu2+的适宜条件,同时对改性泥炭的吸附及解吸再生机理进行了初步分析。
In order to overcome the problems in using the stuff peat to treat wastewater, the sulfuric acid was added to the stuff peat to prepare the modified peat,and then the modified peat was mixed with polyvinylalcohol (PVA) and formaldehyde (37%) to enhance the mechanical intensity of the modified peat.
为克服泥炭利用过程中存在的一些问题 ,对原泥炭进行了改性处理 ,并将改性后的泥炭与树脂结合以增强改性泥炭的机械强度。