oalib

Publish in OALib Journal

ISSN: 2333-9721

APC: Only $99

Submit

Any time

2019 ( 142 )

2018 ( 3709 )

2017 ( 3795 )

2016 ( 4103 )

Custom range...

Search Results: 1 - 10 of 183715 matches for " 陈桂葵 "
All listed articles are free for downloading (OA Articles)
Page 1 /183715
Display every page Item
镉在白骨壤模拟湿地系统中的分布、迁移及净化效应
,
应用生态学报 , 2005,
Abstract: 在温室中建立红树林植物白骨壤模拟湿地系统,分别用正常(c1)、5倍(c5)和10倍(c10)3种人工配置的不同浓度的污水每周定时定量对模拟系统污灌1年,研究重金属cd的分布、迁移以及系统对cd污染的净化效果.结果表明,由人工污水加入系统中的cd主要存留在土壤子系统中(87.67%~96.74%),只有很少部分迁移到植物体和凋落物中,约占总加入量的0.43%~3.23%;白骨壤植物各器官中cd含量在根中最高;模拟系统对污水中cd的净化效果显著,在植物-土壤系统中,正常、5倍和10倍浓度组的净化率分别为90.43%、97.17%和97.06%,在无植物系统中,对应组分别为93.29%、93.10%和90.4%.
锌在红树植物白骨壤-土壤系统中的分布与迁移
,
应用生态学报 , 2007,
Abstract: 河口海湾沉积物中锌的污染已对水生生物构成了潜在的威胁.本研究在温室中建立红树植物白骨壤的模拟湿地系统,分别用不同浓度的人工配置污水和人工海水(对照)每周定时、定量地对模拟湿地系统进行为期1年的污灌试验,研究污水中的重金属锌在红树植物白骨壤-土壤系统中的分布、累积与迁移规律.结果表明,由人工污水加入模拟系统中的锌主要存留在土壤中(大于67%),只有一小部分(1.24%~10.4%)迁移到植物体和凋落物中,即白骨壤-土壤系统对生活污水中的锌具有较强的净化作用.根据物质平衡模型进行的计算表明,土壤子系统中锌的环境容量较大.
污水排放对白骨壤凋落叶的影响
,
生态学杂志 , 2004,
Abstract: ?一年中白骨壤各处理组凋落叶总生物量大小顺序为fw>nw>cl>tw;白骨壤各污水处理组凋落叶含n量和含p量均比对照组稍高,随污水浓度的上升含n量和含p量呈上升趋势;一年中白骨壤植物凋落叶n、p、zn的含量的多少顺序都为:fw>nw≈tw>cl,cd、ni、pb的含量的多少顺序为fw>tw>nw>cl,各处理组凋落叶重金属的含量都以fw最高;各处理组植株元素年归还率平为:n19.1%,p21.3%,cd21.2%,ni21.4%,pb23.3%,zn31.5%,归还量均较低。
白骨壤模拟湿地系统中氮的分配、循环及其净化效应
,
生态学杂志 , 2004,
Abstract: ?在温室中建立红树林植物白骨壤模拟湿地系统,分别用正常、5倍和10倍浓度的人工配置的城市污水每周定时定量对模拟系统污灌2次,用海水作对照,持续1年。研究营养污染物氮在系统中的分配、循环及被净化的效果。结果表明,随污水处理浓度的升高,被更换的潮汐水中的含氮量和土壤含氮量都有较大提高;植物体各部分含氮量的高低顺序排列为叶>茎>根;各处理组植物中氮元素的周转期依次为4.81年、5.81年、4.58年和5.86年;模拟系统对污水中氮的净化效果显著。
白骨壤模拟湿地系统中磷的分配循环及其净化效应
,珠?
生态学报 , 2005,
Abstract: 在温室中建立红树林植物白骨壤模拟湿地系统,分别用正常、5倍和10倍3种不同浓度的人工配置的污水每周定时定量对模拟系统进行污灌1a。研究营养污染物p在系统中的分配、循环及其被净化的效果。结果表明:随污水处理浓度的升高,被更换的潮汐水中的含p量和土壤含p量都有明显提高;植物体各部分含p量的高低顺序排列为:叶>茎>根;在植物-土壤系统中4个组分ca0、ca1、ca5和ca10植物中p元素的周转期依次为4.70a、4.61a、3.80a和5.44a;模拟植物-土壤系统对污水中p的净化效果显著,ca1、ca5和ca10组的净化率分别为81.23%、94.40%和95.63%。
人工污水对白骨壤幼苗生理生态特性的影响
,,黄玉山,谭凤仪
应用生态学报 , 1999,
Abstract: 探讨了3种不同浓度污水对白骨壤幼苗叶片叶绿素含量、过氧化氢酶活性、游离脯氨酸含量、含水量、相对电导率与植株生物量、茎径和茎高生长量等生理生态指标的影响。结果表明,正常浓度和5倍浓度污水对植株无不良影响,并可促进植株生长;10倍浓度污水对植株各生理生态指标有显着影响,但植株最终可维持正常生长。研究表明,白骨壤对污水具有较强的适应性和耐受性。
Phosphorus cycling in a simulated wastewater-affected mangrove(Avicennia marina) wetland system
白骨壤模拟湿地系统中磷的分配循环及其净化效应

CHEN Gui-Kui,

生态学报 , 2005,
Abstract: 在温室中建立红树林植物白骨壤模拟湿地系统 ,分别用正常、5倍和 10倍 3种不同浓度的人工配置的污水每周定时定量对模拟系统进行污灌 1a。研究营养污染物 P在系统中的分配、循环及其被净化的效果。结果表明 :随污水处理浓度的升高 ,被更换的潮汐水中的含 P量和土壤含 P量都有明显提高 ;植物体各部分含 P量的高低顺序排列为 :叶 >茎 >根 ;在植物 -土壤系统中4个组分 CA0 、CA1 、CA5和 CA1 0 植物中 P元素的周转期依次为 4 .70 a、4 .6 1a、3.80 a和 5 .4 4 a;模拟植物 -土壤系统对污水中 P的净化效果显著 ,CA1 、CA5和 CA1 0 组的净化率分别为 81.2 3%、94 .4 0 %和 95 .6 3%。
Distribution, migration and purifying effect of cadmium in artificial Avicennia marina wetland system
镉在白骨壤模拟湿地系统中的分布、迁移及净化效应

CHEN Guikui,CHEN Guizhu,

应用生态学报 , 2005,
Abstract: An artificial mangrove Avicennia marina wetland was set up in a greenhouse, and an irrigation experiment with synthetic wastewater was performed to research the behavior of cadmium in the artificial wetland system. The synthetic wastewater C1 had the characteristics and strength similar to normal municipal sewage, while C5 and C10 had the nutrients and heavy metals as five and ten times as those in C1, respectively. The control was of 15 per thousand salinity. All the test wastewater was quantitatively irrigated weakly for a year. The results showed that the cadmium in the synthetic wastewater discharged into the system was mainly stagnated in soil subsystem (87.67%-96.74%), and only a small portion (0.43%-3.23%) migrated into plants and litters. After a year trial, the Cd content in roots was more than that in stems and leaves. The artificial Avicennia marina wetland system did have a significant effect on purifying cadmium in synthetic wastewater, and the purification rate for C1, C5 and C10 was 90.43%, 97.17% and 97.06%, respectively.
Distribution and migration of zinc in Avicennia marina plant;soil system.
锌在红树植物白骨壤-土壤系统中的分布与迁移

CHEN Gui-kui,CHEN Gui-zhu,
,

应用生态学报 , 2007,
Abstract: Zinc is a major anthropogenic contaminant in estuarine ecosystem, and has potential ecotoxicological consequences for aquatic animals and plants. An artificial mangrove wetland was set up in greenhouse to study the distribution and migration of zinc in synthetic wastewater in Avicennia marina plant-soil system. Different concentration synthetic wastewater and 1.5% salinity artificial seawater (control) were discharged into the system in fixed quantity twice a week for a year. The results showed that most part (>67%) of zinc in the artificial wastewater discharged into the system was remained in the soil, and only a small portion (1.24%-10.4%) of it was entered into plant and litter, indicating that this artificial plant-soil system had a stronger purifying effect on the zinc in synthetic wastewater. The calculation with matter balance model indicated that soil subsystem had a higher environmental capacity of bearing zinc.
“一核心五模块”实践教学课程体系构建与创新—以经管类专业核心课程“组织行为学”为例
“A Core and Five Modules” Teaching Course System Construction and Innovation—Economic Management Specialty Core Curriculum “Organizational Behavior” as an Example
 [PDF]


Creative Education Studies (CES) , 2016, DOI: 10.12677/CES.2016.44028
Abstract:
以培养经济管理类学生高技能型人才为目标的“组织行为学”实践性教学体系的构建与创新,是以理论知识培养与动手能力结合起来的创新型实践教学体系。理论与实践教育同步进行:“学中干,干中学”,力求把“知识、能力、素质”的培养融于一体,提高学生实践能力;同时以“构建创新型实践教学体系”为目标,以“一核心五模块”实践教学课程体系的实施为突破口,积极与企业共建教学基地,提高学生认识社会的能力,强化学生实际分析问题、解决问题的能力,效果良好。
To foster economic management students highly skilled personnel for the goal of “Organizational Behavior” Practical Teaching System Construction and Innovation is an innovative practice teaching system based on theoretical knowledge training and ability. Educational theory and practice are simultaneous: “Learning from doing, more doing for learning”, and striving to combine \"knowledge, ability and quality\" training into one, to improve students’ practical ability; at the same time, to “build innovative practice teaching system” as the goal, to make “a core and five modules” Implementation Teaching Course System as a breakthrough, it builds teaching base with the enterprises actively, improves students’ ability to understand the society and strengthens students’ practical ability to analyze and solve problems, having achieving good effect.
Page 1 /183715
Display every page Item


Home
Copyright © 2008-2017 Open Access Library. All rights reserved.