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排序方式: 共有116条查询结果,搜索用时 31 毫秒
41.
Siddique Md Abu Bakar Islam Abu Reza Md Towfiqul Hossain Md Saddam Khan Rahat Akbor Md Ahedul Hasanuzzaman Md Sajid Md Wasiq Mamun Mia Md Younus Mallick Javed Rahman M. Safiur Rahman Md Mostafizur Bodrud-Doza Md 《Environmental science and pollution research international》2022,29(6):8577-8596
Environmental Science and Pollution Research - Currently, a well-developed combination of irrigation water quality index (IWQIs) and entropy water quality index (EWQIs) for surface water appraisal... 相似文献
42.
Mazumder Mohammad Abu Jafar Chowdhury Imran Rahman Chowdhury Shakhawat Al-Ahmed Amir 《Environmental science and pollution research international》2022,29(36):54432-54447
Environmental Science and Pollution Research - A solid polymer, poly[(sodium methacrylate)-co-2-(methacryloyloxy)ethyl acetoacetate], p(MAA-co-MEAA) was synthesized and then grafted onto carbon... 相似文献
43.
Tan T.-W. Abu Bakar N. H. H. Abu Bakar M. Abdul Talib N. N. 《Journal of Polymers and the Environment》2022,30(1):179-193
Journal of Polymers and the Environment - The catalytic degradation of chitosan (CS) using halloysite nanotubes-supported lanthanum(III) (HNT-La3+) catalysts have been studied. The HNT-La3+... 相似文献
44.
Ahmad H. Abu Hilal Mohammed Y. Rasheed Entisar A. Al Hihi Saber A. Al Rousan 《Journal of Coastal Conservation》2009,13(4):247-261
The coastal zone management and development plans which include tourism development necessitate among many other management
practices, the extension of the available area of the present natural but narrow, limited and widely eroded beaches by implementing
some type of nourishment practices. The present work is providing information on selected sites as possible sources of suitable
sand, chemical and granulometric characteristics of their sand, and the potential direct and long-term environmental effects
and consequences of its use in any future nourishment practices. Seven sites located within the up-lifted terraces area along
the Jordanian portion of the Gulf of Aqaba, were selected as potential sources or borrow sites for sand that may be used in
any future nourishment projects. Two sites were selected at the northeastern side of Aqaba region to represent sand dunes.
Sand material from these sites were analyzed for their physical characteristics (grain size) as well as their content of heavy
metals, organic carbon, total nitrogen, total phosphorous, and calcium carbonate. Standard methodological techniques were
used during analysis of all constituents. The results were compared with those obtained from the analysis of sand deposits
of six beaches along the Jordanian coastline of the Gulf of Aqaba. Results indicate that sand of the selected borrow sites
has grain size fractions that are suitable for use in beach nourishment. Results of the measured pollution indicators indicate
that their levels in the sand of the potential borrow sites are within or lower than their levels in the marine and coastal
sediments of the Gulf of Aqaba and the Red Sea. These properties, in addition to the wide occurrence and availability of such
sources along the coasts of the Red Sea and the Gulf of Aqaba, suggest that it will be a cheep source of sand for beach extension
and restoration and their use in large amounts in beach nourishment project will not pose major hazards on the quality of
seawater of the Gulf of Aqaba area 相似文献
45.
For decades Malaysia was the world's largest producer of Sn, but now the vast open cast mining operations have left a legacy of some 100,000 ha of what is effectively wasteland, covered with a mosaic of tailings and lagoons. Few plants naturally recolonise these areas. The demand for such land for both urban expansion and agricultural use has presented an urgent need for better characterisation. This study reports on the formation of artificial soils from alluvial Sn mining waste with a focus on the effects of experimental treatments on soil chemistry. Soil organic matter, clay, and pH were manipulated in a controlled environment. Adding both clay tailings and peat enhanced the cation exchange capacity of sand tailings but also reduced the pH. The addition of peat reduced the extractable levels of some elements but increased the availability of Ca and Mg, thus proving beneficial. The use of clay tailings increased the levels of macro and micronutrients but also released Al, As, La, Pb and U. Additionally, the effects of soil mix and mycorrhizal treatments on growth and foliar chemistry were studied. Two plant species were selected: Panicum milicaeum and Pueraria phaseoloides. Different growth patterns were observed with respect to the additions of peat and clay. The results for mycorrhizal treatment (live inoculum or sterile carrier medium) are more complex, but both resulted in improved growth. The use of mycorrhizal fungi could greatly enhance rehabilitation efforts on sand tailings. 相似文献
46.
47.
Hassimi Abu Hasan Siti Rozaimah Sheikh Abdullah Siti Kartom Kamarudin Noorhisham Tan Kofli 《Process Safety and Environmental Protection》2013,91(5):415-422
The biological aerated filter (BAF) system, a new alternative in drinking water treatment, was designed to remove NH4+–N and Mn2+ simultaneously. This study aimed to control the aeration time in the BAF system for simultaneous NH4+–N and Mn2+ removal to achieve the Malaysian effluent quality regulation for drinking water. The experiment was conducted under four strategies of S1, S2, S3 and S4. The results demonstrated that acceptable levels of NH4+–N and Mn2+ were achieved over a 6 h aeration period (S1), producing effluent concentrations of 0.7 mg/L (93.2% removal) and 0.08 mg/L (79.6% removal), respectively. At the initial treatment of S1 and S2, the dissolved oxygen (DO) level rapidly increased until it reached a saturated concentration (6.8 mg/L DO) after 2 h period. Automatic on–off aeration time to maintain 3 mg/L DO set point (S4) resulted with a good effluent quality of NH4+–N and Mn2+ compared with the 2 mg/L DO set point (S3) which did not meet the regulated standard limits. Through the automatic on–off aeration time, the saturated and excessive DO levels in the BAF system can be avoided consequently reduce the wastage of energy and electrical consumption for simultaneous NH4+–N and Mn2+ removal from drinking water treatment. 相似文献
48.
Sakaa Bachir Elbeltagi Ahmed Boudibi Samir Chaffaï Hicham Islam Abu Reza Md. Towfiqul Kulimushi Luc Cimusa Choudhari Pandurang Hani Azzedine Brouziyne Youssef Wong Yong Jie 《Environmental science and pollution research international》2022,29(32):48491-48508
Environmental Science and Pollution Research - The water quality index is one of the prominent general indicators to assess and classify surface water quality, which plays a critical role in river... 相似文献
49.
Mallick Javed Talukdar Swapan Almesfer Mohammed K. Alsubih Majed Ahmed Mohd. Islam Abu Reza Md. Towfiqul 《Environmental science and pollution research international》2022,29(17):25112-25137
Environmental Science and Pollution Research - In Saudi Arabia, identifying homogenous zones based on rainfall patterns is critical for ensuring a predictable and stable water resource and... 相似文献
50.
M. Abdul Mujeebu M.Z. Abdullah M.Z. Abu Bakar A.A. Mohamad R.M.N. Muhad M.K. Abdullah 《Journal of environmental management》2009
The rapid advances in technology and improved living standard of the society necessitate abundant use of fossil fuels which poses two major challenges to any nation. One is fast depletion of fossil fuel resources; the other is environmental pollution. The porous medium combustion (PMC) has proved to be one of the technically and economically feasible options to tackle the aforesaid problems to a remarkable extent. PMC has interesting advantages compared with free flame combustion due to the higher burning rates, the increased power dynamic range, the extension of the lean flammability limits, and the low emissions of pollutants. This article provides a comprehensive picture of the global scenario of research and developments in PMC and its applications that enable a researcher to decide the direction of further investigation. The works published so far in this area are reviewed, classified according to their objectives and presented in an organized manner with general conclusions. A separate section is devoted for the numerical modeling of PMC. 相似文献