推荐同事 机构合作 中文 繁體中文 English 한국어 日本語 Português Español

美国ACCDON公司旗下品牌

021-33363733,021-34612310

chinasupport@letpub.com

登录 注册 新注册优惠

JH Leu - Applied Mechanics and Materials, 2011 - Trans Tech Publ
... grade diesel was close to that of B20, and the pollution degree was 31.3% and 38.6% respectively.
B100 had the lowest pollution degree, 19.3%. See Fig. 4. Fuel Categories P ollution degree (% )
Fuel Categories P ollution degree (% ) Engine Speed (rpm) P ollution D ...
Related articles - All 2 versions
C Honglei, Z Xiaorong… - Energy Procedia, 2011 - Elsevier
... Selection and peer-review under responsib ility of RIUDS Keywords: Export-oriented economy;
Environment Kuznets Curve ; P ollution Haven Hypothesis; Simult aneous Equat ion Model 1.
Introduction Since the opening-up, China export-orient economy has been developing ...
Related articles
Z Ye-sheng - Journal of Anhui Agricultural Sciences, 2011 - en.cnki.com.cn
... 1, Hu Tinglan, Yang Zhifeng ollution Control, Beijing Normal University, Beijing 100875,
China);Method for ecological benefit assessment of rural land consolidation[J];Transactions
of The Chinese Society of Agricultural Engineering;2004-05. ...
Cached
[PDF] from digitaljournals.orgT Kolladarungkri - Siriraj Medical Journal, 2011 - thailand.digitaljournals.org
Page 1. 29 Siriraj Med J, Volume 62, Number 1, January-February 2010 P ollution
means an undesirable state of the natural environment which has been contaminated
with harmful substances as a consequence of human activities. ...
Related articles - View as HTML
[PDF] from wseas.usV Ciobanu, V Alexandru, SA Borz… - Proceedings of the 12th …, 2011 - wseas.us
... Under 0,5 10 0,6-1,5 9 1,6-3,0 8 3,1-4,0 7 4,1-5,0 6 5,1-6,0 5 6,1-7,0 4 7,1-8,0 3 8,1-9,0 2 Over
9 1 reliability grades Nb ollution index Ip Under 0,10 10 0,11-0,20 9 0,21-0,30 8 0,31-0,40 7
0,41-0,50 6 0,51-0,60 5 0,61-0,70 4 0,71-0,80 3 0,81-0,90 2 Over 0,90 1 ...
Related articles - View as HTML - All 2 versions

联系我们 | 站点地图 | 友情链接 | 授权代理商 | 加入我们

© 2010-2024 中国: LetPub上海    网站备案号:沪ICP备10217908号-1    沪公网安备号:31010402006960 (网站)31010405000484 (蝌蝌APP)

增值电信业务经营许可证:沪B2-20211595    网络文化经营许可证:沪网文[2023]2004-152号

礼翰商务信息咨询(上海)有限公司      办公地址:上海市徐汇区漕溪北路88号圣爱大厦1803室