長江
- “長江十年禁漁期”保護(hù)水中物種
《中華人民共和國長江保護(hù)法》開始實(shí)施,并開始實(shí)行為期十年的長江禁漁計(jì)劃,這對整個(gè)長江流域生態(tài)恢復(fù)具有重大意義。如今“長江大保護(hù)”已經(jīng)成為共識,也許未來,我們會看到越來越繁榮的長江生態(tài)。針對嚴(yán)峻的環(huán)保形勢,把修復(fù)長江生態(tài)環(huán)境擺在壓倒性位置,實(shí)施以“共抓大保護(hù)、不搞大開發(fā)”為核心理念的“長江大保護(hù)”逐漸成為各界共識,國家推行長江大保護(hù)的堅(jiān)定決心充分彰顯。長江白鱘沒能趕上“長江十年禁漁期”的良辰?!?span id="syggg00" class="hl">長江十年禁漁”只是一個(gè)開始,在未來的日子里,我們能否通過自身力量
方圓 2022年15期2022-09-08
- REVIEW ON MATHEMATICAL ANALYSIS OF SOME TWO-PHASE FLOW MODELS?
ng ZHU(朱長江)?1.School of Mathematics,South China University of Technology,Guangzhou 510641,China2.School of Mathematics and Center for Nonlinear Studies,Northwest University,Xi’an 710127,ChinaE-mail:mahywen@scut.edu.cn;leiyao@nwu.e
- A Two-step Design Method for Shaft Work Targeting on Low-temperature Process*
jiang (孫長江)and YUAN Xigang (袁希鋼)School of Chemical Engineering and Technology, Tianjin University, Tianjin 30007, ChinaBeijing Risun Chemical Technologies Institute Company Limited, Beijing 00070, ChinaA Two-step Design Method for