全文获取类型
收费全文 | 181篇 |
免费 | 4篇 |
国内免费 | 4篇 |
专业分类
安全科学 | 6篇 |
废物处理 | 4篇 |
环保管理 | 15篇 |
综合类 | 30篇 |
基础理论 | 47篇 |
环境理论 | 1篇 |
污染及防治 | 55篇 |
评价与监测 | 22篇 |
社会与环境 | 9篇 |
出版年
2023年 | 3篇 |
2022年 | 6篇 |
2021年 | 9篇 |
2020年 | 1篇 |
2019年 | 5篇 |
2018年 | 13篇 |
2017年 | 8篇 |
2016年 | 15篇 |
2015年 | 6篇 |
2014年 | 9篇 |
2013年 | 14篇 |
2012年 | 11篇 |
2011年 | 10篇 |
2010年 | 4篇 |
2009年 | 12篇 |
2008年 | 2篇 |
2007年 | 8篇 |
2006年 | 9篇 |
2005年 | 5篇 |
2004年 | 8篇 |
2003年 | 7篇 |
2002年 | 5篇 |
2001年 | 4篇 |
2000年 | 1篇 |
1999年 | 1篇 |
1995年 | 1篇 |
1994年 | 3篇 |
1993年 | 2篇 |
1992年 | 1篇 |
1990年 | 1篇 |
1989年 | 1篇 |
1986年 | 1篇 |
1985年 | 1篇 |
1967年 | 1篇 |
1966年 | 1篇 |
排序方式: 共有189条查询结果,搜索用时 218 毫秒
181.
Lewińska-Preis L Jabłońska M Fabiańska MJ Kita A 《Environmental geochemistry and health》2011,33(6):595-611
Contents of mineral substance, silica, and a range of bioelements and toxic elements (Mg, Na, K, Ca, Ba, Zn, Cr, P Al, Cd,
Mn Cu, Ni, Pb, Sr, Fe) in 38 livers of donors from the Upper Silesia Coal Basin (southern Poland) are presented. Elements
were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES) with the exception of silica that was
estimated colorimetrically. Concentrations, concentration variability, and correlations between selected liver components
determined for the total population are related to donor age, gender, and lesion occurrence. Correlations between particular
elements were found using correlation coefficient values and the Fisher transformation. Mineral substance in the livers lies
in the range 0.40–5.03 wt%. With increasing donor age, mineral-matter content decreases to a minimum for the 40–60 years of
age range. Microbioelement contents show a similar tendency, while microbioelements and toxic elements reach maximum contents
in donors aged 60–80 years. All elements show content decreases in livers from the oldest group (>80 years). Silica contents
increase with age. Variability of element contents is lowest in the older subpopulations. Livers with lesions show lower element
contents and variability. The results are compared to literature data for regions of Poland assumed to be of low pollution
and to data from comparable regions in Japan and Hungary. Up to our knowledge, this paper is the first work describing the
total contents, as distinct from contents of selected elements, of mineral substance in human livers. 相似文献
182.
Franziska Rohr Christian Ulrichs Monika Schreiner Chau Nhi Nguyen Inga Mewis 《Chemoecology》2011,21(3):171-180
Glucosinolates (GSs) are part of a two-component defence system, characteristic for the Brassicales, including the model species
Arabidopsis thaliana (L.) Heynh. The defence activity of GSs is associated with different side chain structures. The AOP genes are central in side-chain modification. AOP2 mediates formation of alkenyl GS from a methylsulfinyl precursor, whereas
AOP3 catalyzes production of hydroxy-alkyl GSs from the same precursor. Although several studies have assessed the role of
GSs in plant defence, the function of specific aliphatic GSs in plant defence is still not clarified. Structural different
GSs may influence insect herbivores differentially. We created a set of plant lines derived of a cross between two A. thaliana accessions, Gie-0 × Sap-0, which dominantly accumulate either 3-methylsulfinylpropyl GS or 3-hydroxypropyl GS. The generalist
Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) and the crucifer-specialist Pieris brassicae (L.) (Lepidoptera: Pieridae) were used as model insects, to study effects of individual aliphatic GSs on lepidopteran herbivores
with a different feeding specialization. However, the experiments revealed that weight gain of S. exigua and P. brassicae third and fourth-larval instars was similar on both chemotypes. But leaf consumption of the generalist was higher on 3-methylsulfinylpropyl-producing
lines with low GS levels (23.2 μmol g−1) than on 3-hydroxypropyl-producing lines that contained a more than twofold higher amount of GSs (60 μmol g−1). In contrast, no differential effects of non-hydroxylated and hydroxylated GSs were found on the specialist P. brassicae. Our study indicates that there is no simple relationship between GS content and insect responses. 相似文献
183.
Grover Madhuri Behl Tapan Sachdeva Monika Bungao Simona Aleya Lotfi Setia Dhruv 《Environmental science and pollution research international》2021,28(15):18893-18907
Environmental Science and Pollution Research - Curcumin is a polyphenolic compound that exhibited good anticancer potential against different types of cancers through its multi-targeted effect like... 相似文献
184.
Sophie M. E. Marsh Michael Hoffmann Neil D. Burgess Thomas M. Brooks Daniel W. S. Challender Patricia J. Cremona Craig Hilton-Taylor Flore Lafaye de Micheaux Gabriela Lichtenstein Dilys Roe Monika Böhm 《Conservation biology》2022,36(2):e13844
Unsustainable exploitation of wild species represents a serious threat to biodiversity and to the livelihoods of local communities and Indigenous peoples. However, managed, sustainable use has the potential to forestall extinctions, aid recovery, and meet human needs. We analyzed species-level data for 30,923 species from 13 taxonomic groups on the International Union for Conservation of Nature Red List of Threatened Species to investigate patterns of intentional biological resource use. Forty percent of species (10,098 of 25,009 species from 10 data-sufficient taxonomic groups) were used. The main purposes of use were pets, display animals, horticulture, and human consumption. Intentional use is currently contributing to elevated extinction risk for 28–29% of threatened or near threatened (NT) species (2752–2848 of 9753 species). Intentional use also affected 16% of all species used (1597–1631 of 10,098). However, 72% of used species (7291 of 10,098) were least concern, of which nearly half (3469) also had stable or improving population trends. The remainder were not documented as threatened by biological resource use, including at least 172 threatened or NT species with stable or improving populations. About one-third of species that had use documented as a threat had no targeted species management actions to directly address this threat. To improve use-related red-list data, we suggest small amendments to the relevant classification schemes and required supporting documentation. Our findings on the prevalence of sustainable and unsustainable use, and variation across taxa, can inform international policy making, including the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services, the Convention on Biological Diversity, and the Convention on International Trade in Endangered Species. 相似文献
185.
Tuulik Varje-Riin Kumm Monika Tuulik Viiu Veraksitš Alar Päll Taavi 《Environmental geochemistry and health》2022,44(7):2101-2110
Environmental Geochemistry and Health - The effects of bath therapy are complex and result from a unique interaction between the aquatic environment and the human body functions. The effect of bath... 相似文献
186.
Ford CI Walter M Northcott GL Di HJ Cameron KC Trower T 《Journal of environmental quality》2007,36(6):1749-1759
This study was conducted to improve the ability of indigenous New Zealand white-rot fungi to remove pentachlorophenol (PCP) from contaminated field soil. The effects of different bioaugmentation conditions on PCP removal and extracellular enzyme expression were measured in the laboratory. The conditions were fungal growth substrate and co-substrate composition, culture age, and Tween 80 addition to the contaminated soil. The fungi used were Trametes versicolor isolate HR131 and Trametes sp. isolate HR577. Maximum PCP removal was 70% after 7 wk from a 1043 mg kg(-1) PCP-contaminated soil inoculated with an 11-d-old fungal culture of T. versicolor isolate HR131. There was minimal production of undesirable pentachloroanisole by the fungi. Tween 80 addition had no affect on PCP removal. Poplar sawdust was more suitable as a fungal growth substrate and a co-substrate amendment for PCP removal and extracellular enzyme expression than the locally available pine and fir sawdust. Pentachlorophenol removal was not necessarily correlated with extracellular enzyme expression. The research results demonstrate that PCP biodegradation was affected by inoculum culture age, by the presence of a co-substrate amendment, and by growth substrate composition after white-rot fungal bioaugmentation into PCP-contaminated field soils. 相似文献
187.
The influence of the polymers' properties on the solid-phase extraction recovery was studied. Different porous copolymers were used: di(methacryloyloxymethyl)naphtalene-divinylbenzene with ester functional groups (DMN-DVB), 4,4'-bis(maleimido)diphenylmethane-divinylbenzene with imide functional groups (BM-DVB), p,p'-dihydroxydiphenylmethane diglycidyl methacrylic ester-divinylbenzene (MEMDE-DVB) and p,p'-dihydroxydiphenylpropane diglycidyl methacrylic ester-divinylbenzene (MEDDE-DVB) with ester end hydroxyl functional groups. The extraction properties of new synthesized polymeric sorbents were compared with these of two commercial polymeric sorbents: styrene-divinylbenzene (SDB-1) and styrene-divinylbenzene with modified surface (StrataX). These sorbents were used in the SPE of phenol and hydroquinone from water samples. 相似文献
188.
Osińska Adriana Korzeniewska Ewa Korzeniowska-Kowal Agnieszka Wzorek Anna Harnisz Monika Jachimowicz Piotr Buta-Hubeny Martyna Zieliński Wiktor 《Environmental science and pollution research international》2023,30(5):11572-11583
Environmental Science and Pollution Research - Escherichia coli bacteria are an essential indicator in evaluations of environmental pollution, which is why they must be correctly identified. This... 相似文献
189.
Antil Monika Singh Surinder Bhagat Mamta Vilvas Vishal Sundaramurthy Suresh 《Environmental science and pollution research international》2022,29(48):72279-72293
Environmental Science and Pollution Research - The objective of this study deals with column optimization of adsorption-based on removal of arsenite ion using rice husk. The parameters affecting... 相似文献