全文获取类型
收费全文 | 211篇 |
免费 | 3篇 |
专业分类
安全科学 | 20篇 |
废物处理 | 27篇 |
环保管理 | 23篇 |
综合类 | 30篇 |
基础理论 | 50篇 |
污染及防治 | 33篇 |
评价与监测 | 17篇 |
社会与环境 | 12篇 |
灾害及防治 | 2篇 |
出版年
2023年 | 2篇 |
2022年 | 2篇 |
2021年 | 3篇 |
2020年 | 4篇 |
2019年 | 4篇 |
2018年 | 4篇 |
2017年 | 2篇 |
2016年 | 8篇 |
2015年 | 7篇 |
2014年 | 9篇 |
2013年 | 15篇 |
2012年 | 11篇 |
2011年 | 12篇 |
2010年 | 10篇 |
2009年 | 15篇 |
2008年 | 10篇 |
2007年 | 13篇 |
2006年 | 8篇 |
2005年 | 6篇 |
2004年 | 5篇 |
2003年 | 11篇 |
2002年 | 11篇 |
2001年 | 9篇 |
1999年 | 3篇 |
1998年 | 2篇 |
1997年 | 1篇 |
1996年 | 1篇 |
1995年 | 4篇 |
1994年 | 7篇 |
1993年 | 2篇 |
1992年 | 3篇 |
1986年 | 1篇 |
1985年 | 1篇 |
1984年 | 1篇 |
1976年 | 1篇 |
1973年 | 1篇 |
1972年 | 1篇 |
1970年 | 2篇 |
1966年 | 1篇 |
1965年 | 1篇 |
排序方式: 共有214条查询结果,搜索用时 859 毫秒
161.
Jinsart W Kaewmanee C Inoue M Hara K Hasegawa S Karita K Tamura K Yano E 《Journal of the Air & Waste Management Association (1995)》2012,62(1):64-71
The aims of this study were to determine the particulate matter with aerodynamic diameters > or = 2.5 microm (PM2.5) and 2.5-10 microm (PM10-2.5) exposure levels of drivers and to analyze the proportion of elemental carbon (EC) and organic carbon (OC) in PM2.5 in Bangkok, Thailand. Four bus routes were selected. Measurements were conducted over 10 days in August (rainy season) 2008 and 8 days in January (dry season) 2009. The mean PM2.5 exposure level of the Tuk-tuk drivers was 86 microg/m3 in August and 198 microg/m3 in January. The mean for the non-air-conditioned bus drivers was 63 microg/m3 in August and 125 microg/m3 in January. The PM2.5 and PM10-2.5 exposure levels of the drivers in January were approximately twice as high as those in August. The proportion of total carbon (TC) in PM2.5 to the PM2.5 level in August (0.97 +/- 0.28 microg/m3) was higher than in January (0.65 +/- 0.13 microg/m3). The proportion of OC in the TC of the PM2.5 in August (0.51 +/- 0.08 microg/m3) was similar to that in January (0.65 +/- 0.07 microg/m3). The TC exposure by PM25 in January (81 +/- 30 microg/m3) remained higher than in August (56-21 microg/m3). The mean level of OC in the PM2.5 was 29 +/- 13 microg/m3 in August and 50 +/- 24 microg/m3 in January. In conclusion, the PM exposure level in Bangkok drivers was higher than that in the general environment, which was already high, and it varied with the seasons and vehicle type. This study also demonstrated that the major component of the PM was carbon, likely derived from vehicles. 相似文献
162.
Makoto Tamura Motoharu Onuki Makiko Sekiyama Keishiro Hara Michinori Uwasu Nobuyuki Tsuji Gakushi Ishimura Noriyuki Tanaka Akihisa Mori Takashi Mino 《Sustainability Science》2018,13(3):849-860
The challenge for sustainability educational programs lies in how to imbue students with the strong motivation necessary to move the world in a more sustainable direction. Five universities in Japan have mutually collaborated in the design and development of a unique curriculum and education system for sustainability science since 2008. Specifically, they have developed a common and remote lecture system called the “Frontier of sustainability science” (FSS). This paper discusses the concepts and challenges of FSS and how it was organized to teach students to actively learn how to work with people of various disciplines to realize interdisciplinarity. 相似文献
163.
Habran Sarah Crespin Pierre Veschkens Mathieu Remy Suzanne 《Environmental science and pollution research international》2020,27(6):5681-5692
Environmental Science and Pollution Research - In response to the Walloon Environment and Health Program, the Scientific Institute of Public Services (ISSeP) developed an integrated approach of... 相似文献
164.
Amber Ronteltap Machiel J. Reinders Suzanne M. van Dijk Sanne Heijting Ivo A. van der Lans Lambertus A. P. Lotz 《Journal of Agricultural and Environmental Ethics》2016,29(4):643-672
New agrifood technologies are often difficult to grasp for the public, which may lead to resistance or even rejection. Insight into which technology features determine public acceptability of the technology could offer guidelines for responsible technology development. This paper systematically assesses the relative importance of specific technology features for consumer response in the agrifood domain in two consecutive studies. Prominent technology features were selected from expert judgment and literature. The effects of these features on consumer evaluation were tested in a consumer study (n = 745). Fictitious technologies were used to avoid any uncontrollable contextual influences that existing new technologies may evoke. Results show that technologies that were seen as more natural and newer were perceived less risky, more beneficial, and were evaluated more positively. Technologies applied to food were judged to be more beneficial, but also more risky than those applied to non-food. Technologies used in the production process were perceived to be less risky and evaluated more positively than those used in the product. Technologies owned by the market leader were perceived to be more beneficial, and evaluated more positively than those that were freely available. In a next study (n = 440), effects of the technology features on consumer response were tested for existing new agrifood technologies. This study replicated the results for perceived naturalness, perceived newness, and place in the production process where the technology is applied. However, in contrast to the first study, we did not find an effect of application area (food versus non-food) and technology ownership. 相似文献
165.
Asian nations are currently facing a number of challenges, including environmental degradation and growing societal inequalities,
in the course of their rapid economic growth and industrialization. Under such conditions, it is of critical importance to
develop appropriate assessment tools with which to comprehensively measure the sustainability status of a region in order
to guide its transformation into a sustainable society. This paper proposes a method of sustainability assessment consisting
of the three components of environment, resource, and socio-economic with aggregated time-series scores. This method can demonstrate
the relative sustainability scores of targeted regions for different time periods, thereby, enabling the comparison of relative
sustainability status for different regions over these periods. We carried out a case study of Chinese provinces for the years
2000 and 2005 using the proposed method and confirmed its applicability as the indicative type of sustainability assessment
at the regional level, while actually investigating the sustainability status and its chronological changes. The results indicated
that aggregate sustainability index scores improved between 2000 and 2005 in most provinces, mainly due to significant improvement
in the scores for the socio-economic component, whereas the scores for the environment component deteriorated in some provinces
over the study period. Our method proves to be effective in analyzing the relative sustainability status among targeted regions
for different time periods in the form of aggregate scores, paving the way for practical applications, such as policy analysis,
in the pursuit of a sustainable society. 相似文献
166.
Application and sensitivity testing of a eutrophication assessment method on coastal systems in the United States and European Union 总被引:5,自引:0,他引:5
The Assessment of Estuarine Trophic Status (ASSETS) screening model has been extended to allow its application to both estuarine and coastal systems. The model, which combines elements of pressure, state and response, was tested on four systems: Maryland Coastal Bays and Long Island Sound in the United States and The Firth of Clyde (Scotland) and Tagus Estuary (Portugal) in the European Union. The overall scores were: Maryland Coastal Bays: Bad; Firth of Clyde: Poor; Tagus Estuary: Good. Long Island Sound was modelled along a timeline, using 1991 data (score: Bad) and 2002 data (score: Moderate). The improvement registered for Long Island Sound is a consequence of the reduction in nutrient loading, and the ASSETS score changed accordingly. The two main areas where developments are needed are (a) In the definition of type-specific ranges for eutrophication parameters, due to the recognition that natural or pristine conditions may vary widely, and the use of a uniform set of thresholds artificially penalizes some systems and potentially leads to misclassification; (b) In the definition and quantification of measures which will result in an improved state through a change in pressures, as well as in the definition of appropriate metrics through which response may be assessed. One possibility is the use of detailed research models where different response scenarios potentially produce changes in pressure and state. These outputs may be used to drive screening models and analyze the suitability of candidate metrics for evaluating management options. 相似文献
167.
168.
Scott Forbes Barb Glassey Suzanne Thornton Lisa Earle 《Behavioral ecology and sociobiology》2001,50(1):37-44
More than a half century ago, the British ornithologist David Lack suggested that parent birds may use brood reduction to track uncertain food, a process facilitated by the asynchronous hatching of their young. Lack sketched the logic of asymmetric sibling rivalry: the phenotypic handicap imposed upon last-hatched marginal offspring renders their growth and survival conditional upon uncertain ecological conditions while buffering first-hatched core offspring from the inimical effects of overcrowding during periods of stringency. Though subjected to numerous indirect tests in short-term studies, the central prediction of Lack's hypothesis - that parents use marginal offspring to track unpredictable brood-rearing conditions and thus achieve a secondary adjustment of clutch size - has never been tested directly. Here we present the results of a 7-year study of marsh-nesting red-winged blackbirds (Agelaius phoeniceus) showing that (1) brood size tracks interannual variability in growth and survival of nestlings, (2) the growth and mortality of marginal but not core offspring is contingent upon stochastic environmental conditions (mean air temperature) during brood rearing, (3) the mortality of marginal but not core offspring is strongly affected by developmental uncertainty in the form of both experimental and natural alterations of brood size, (4) the phenotypic handicap of hatching asynchrony buffers core offspring from poor growth conditions, but (5) its effects upon marginal nestlings are reversible when growth conditions are favourable and especially when brood size is reduced either experimentally or via hatching failure. The presence of marginal offspring ensures that blackbird parents are not left with a too small brood when brood-rearing conditions are favourable. Parents create two castes of progeny: marginal offspring that are strongly affected by both ecological and developmental stochasticity, and core offspring that are not. 相似文献
169.
Makoto Uchino Yoshiya Tanaka Yukio Ando Toshiro Yonehara Akio Hara Isao Mishima 《Journal of environmental science and health. Part. B》2013,48(5):699-715
Abstract To elucidate the neurologic features of chronic Minamata disease, and the incidence of complications with aging, we studied 80 patients with documented Minamata disease (organic mercury poisoning) from 1986 to 1994 (mean age: 63 years). Of the cardinal neurologic findings, sensory impairment was seen with highest frequency in 98.8% of patients limited to the extremities in 86.3%. Impairment of lower extremity coordination was observed in 60%, constriction of the visual field in 51.9%, and retrocochlear hearing loss in 41%. To assess age‐related complications, patients were separated into three groups by age: Group I (10 to 39 years); Group II (40 to 69 years); Group III (≥7 0 years). The incidences of hypertension and cerebrovascular diseases, organic ophthalmologic disorders (including cataracts), presbyacusis, and cervical spondylosis deformans increased significantly with age. Compared with a preceding survey (1981 to 1985, 171 patients, mean age: 63.5 years), the incidences of complicated hypertension and cataracts had decreased, whereas those of cerebrovascular disease and retinitis pigmentosa remained unchanged. The incidences of abnormal brain computed tomography (CT), presbyacusis, cervical spondylosis deformans, and positive tests for urine sugar also increased. The incidences of these complications other than retinitis pigmentosa were similar to those in the general population. These results accurately reflect the recent epidemiological disease tendencies in Japan toward a decreased incidence of hypertension and an increased incidence of diabetes. 相似文献
170.