国内精品一区二区三区最新_不卡一区二区在线_另类重口100页在线播放_精品中文字幕一区在线

--- SEARCH ---
WEATHER
CHINA
INTERNATIONAL
BUSINESS
CULTURE
GOVERNMENT
SCI-TECH
ENVIRONMENT
LIFE
PEOPLE
TRAVEL
THIS WEEK
Learning Chinese
Learn to Cook Chinese Dishes
Exchange Rates


Hot Links
China Development Gateway
Chinese Embassies

Chinese, Russian Scientists to Develop Mine Safety Technology
Scientific research institutes in China and Russia have agreed to cooperate in the development of a new technology to prevent gas explosions in coal mines.

The technology is expected to benefit tens of millions of Chinese miners, according to information from an exhibition of high and new technologies, held in Shenyang, capital of northeast China's Liaoning Province, Monday.

Chinese scientists and experts from the Russian Academy of Sciences branch in Siberia would renovate the existing safety technology being used in Russia's coal mines and develop a low-cost technology which could be used in China's coal mines, said Yang Zirong, president of the Resources and Environment College of the Liaoning Engineering Technology University.

The technology would be an information system comprising several sets of equipment with different functions. The system would monitor non-stop the coal mine shafts, examine the content of gas in the air and forecast possible gas leakages, thus preventing explosions.

The technology would be widely applied throughout China's coal mines, Yang said.

Due to technical and other reasons, coal mine accidents have occurred regularly in China. The first half of 2002 saw 2,014 coalmine accidents, claiming 3,393 lives.

Russian expert Boris Gerike said China needed effective safety technology and equipment to develop its mining industry. He expressed the hope that Chinese and Russian scientists would enhance cooperation in this field.

Gerike said no explosions had been reported in the coal mines in Russia's Kuzbass area since the monitoring system, independently developed by Russia, went into use seven years ago.

The two sides will organize exchanges of scholars and researchers to carry out the research program and will cooperate in other scientific research programs.

(Xinhua News Agency September 12, 2002)

 

Largest Coal Producer Vows to Close All Illegal Mines
North China Closes Over 1,000 Mines
Safety Before Profits, Supervisors Say
Meeting Held to Improve Work Safety
Little Chance of Survival for Trapped Miners in Jilin
China, Russia Kick off Active Cooperation in Civil Aviation Technology
China, Russia Cooperate to Bolster High-tech Development
Russia, China Sign First New Friendship Treaty in Half a Century
Print This Page
|
Email This Page
About Us SiteMap Feedback
Copyright © China Internet Information Center. All Rights Reserved
E-mail: webmaster@china.org.cn Tel: 86-10-68326688
国内精品一区二区三区最新_不卡一区二区在线_另类重口100页在线播放_精品中文字幕一区在线
国产精选一区二区三区| 欧美在线看片a免费观看| 国产成人精品三级麻豆| 国产麻豆精品视频| 国产大陆精品国产| 99视频在线精品| 色综合激情久久| 欧美日韩一区二区三区不卡| 欧美日韩精品一区二区三区| 欧美福利视频一区| 精品福利一区二区三区 | 日本一区二区视频在线观看| 欧美韩国一区二区| 亚洲欧美一区二区三区极速播放| 亚洲精品免费看| 三级在线观看一区二区| 久久99精品视频| 丰满亚洲少妇av| 在线观看亚洲精品视频| 91精品国产色综合久久不卡蜜臀| 精品黑人一区二区三区久久 | 日韩精品电影在线观看| 韩国av一区二区| 99视频有精品| 555夜色666亚洲国产免| 久久久久久亚洲综合影院红桃| 国产精品伦理一区二区| 一区av在线播放| 国内一区二区在线| 91福利国产精品| 欧美成人猛片aaaaaaa| 国产精品人妖ts系列视频| 一区二区三区高清在线| 久久99热这里只有精品| 97se亚洲国产综合自在线观| 91精品国产免费久久综合| 国产日韩一级二级三级| 亚洲一区二区三区国产| 国产精品白丝jk黑袜喷水| 91成人在线精品| 精品国产电影一区二区| 亚洲精品福利视频网站| 国产又黄又大久久| 欧美性大战xxxxx久久久| 国产亚洲精品资源在线26u| 亚洲制服丝袜av| 国产精选一区二区三区| 欧美美女激情18p| 中文字幕综合网| 精品制服美女久久| 精品污污网站免费看| 国产精品色婷婷久久58| 日本va欧美va瓶| 色狠狠综合天天综合综合| 久久综合九色综合97婷婷女人| 亚洲永久免费视频| 成人免费视频播放| 精品久久久久久久久久久院品网| 一区二区三区中文字幕| 国产成人午夜视频| 日韩精品一区二区三区三区免费| 亚洲综合另类小说| 99久久久国产精品| 国产亚洲精品久| 精品亚洲aⅴ乱码一区二区三区| 91成人在线免费观看| 国产精品久久三| 国产精品中文有码| 欧美成人vr18sexvr| 五月激情综合网| 在线看一区二区| 亚洲天堂成人在线观看| 国产成人福利片| 久久久亚洲精品一区二区三区 | 制服丝袜激情欧洲亚洲| 亚洲综合一区在线| 91亚洲精品久久久蜜桃网站| 久久精品人人爽人人爽| 精品影视av免费| 日韩欧美一区二区在线视频| 亚洲v中文字幕| 欧美三级日韩在线| 亚洲一区二区三区影院| 91片黄在线观看| 亚洲情趣在线观看| 色综合久久久久网| 亚洲精选在线视频| 91国产丝袜在线播放| 一区二区三区在线观看网站| 99久久99久久精品免费观看 | 另类小说色综合网站| 91.com视频| 麻豆高清免费国产一区| 日韩亚洲欧美综合| 另类小说欧美激情| 久久婷婷色综合| 国产传媒日韩欧美成人| 日本一区二区视频在线观看| 粉嫩久久99精品久久久久久夜 | 久久精品久久久精品美女| 日韩欧美一二三四区| 麻豆视频一区二区| 久久免费看少妇高潮| 国产精品一品二品| 国产精品女人毛片| 91麻豆成人久久精品二区三区| 亚洲乱码国产乱码精品精98午夜| 91福利精品视频| 日本亚洲视频在线| 精品国产精品一区二区夜夜嗨| 国产精品亚洲第一| 亚洲欧美在线另类| 欧美四级电影在线观看| 日本vs亚洲vs韩国一区三区| 欧美xxxx老人做受| 福利一区在线观看| 一区二区三区四区不卡在线| 欧美日韩免费一区二区三区 | 欧美精品欧美精品系列| 久久精品免费观看| 国产精品亲子乱子伦xxxx裸| 91啪在线观看| 日韩精品91亚洲二区在线观看| 精品国产青草久久久久福利| 国产经典欧美精品| 一区二区三区精品在线| 欧美一区二区视频在线观看2022 | 久久日韩精品一区二区五区| 成人理论电影网| 亚洲第一二三四区| 久久综合九色综合97婷婷女人| 99久久综合精品| 天堂成人免费av电影一区| 26uuu国产一区二区三区| 99精品久久免费看蜜臀剧情介绍| 亚洲成av人片一区二区| 久久综合成人精品亚洲另类欧美 | 91无套直看片红桃| 奇米综合一区二区三区精品视频| 久久久久国产精品麻豆ai换脸| 91免费看片在线观看| 日本一不卡视频| 综合久久国产九一剧情麻豆| 欧美一区二区性放荡片| 成av人片一区二区| 蜜臀精品久久久久久蜜臀 | 国产乱对白刺激视频不卡| 一区二区三区中文在线观看| 欧美精品一区二区三区四区| 色婷婷国产精品久久包臀| 精品亚洲免费视频| 亚洲一区视频在线观看视频| 久久综合色综合88| 欧美日韩精品一区二区三区四区 | 国产精品国产三级国产普通话99| 欧美精品久久99久久在免费线| 丰满放荡岳乱妇91ww| 美腿丝袜亚洲三区| 一区二区理论电影在线观看| 久久精品无码一区二区三区| 欧美撒尿777hd撒尿| 成人av网站在线| 韩国一区二区在线观看| 午夜电影久久久| 亚洲精品视频自拍| 国产欧美一区二区精品忘忧草 | 一区二区三区美女| 中文字幕av一区二区三区高| 欧美一区二区免费| 欧美色大人视频| 色综合久久久久综合体| 成人精品鲁一区一区二区| 精品一区二区日韩| 日本午夜一区二区| 亚洲一区二区三区影院| 中文字幕视频一区二区三区久| 欧美精品一区二区久久久| 日韩一区二区在线观看视频| 欧美亚洲一区二区在线观看| 精品视频1区2区3区| 一区二区三区在线视频免费| 中文字幕二三区不卡| 久久蜜桃av一区二区天堂| 欧美一区二区三区男人的天堂| 欧美在线高清视频| 在线视频欧美精品| 色88888久久久久久影院按摩| a4yy欧美一区二区三区| 成人av高清在线| 18欧美乱大交hd1984| 亚洲国产成人自拍| 国产性做久久久久久| 亚洲一区二区三区国产| 一区二区三区在线视频播放| 亚洲欧美偷拍另类a∨色屁股| 国产精品视频免费| 亚洲欧美在线高清| 一区二区三区中文字幕电影 | 日韩精品国产欧美| 美女网站色91|