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Re: [Viet-Khsv: 4253] Re: Help, help help!!!
Ca'm o+n ta^'t ca? dda~ giu'p Cu+o+`ng.
Ba^.n qua', ma~i to+'i nay mo+'i tra? lo+`i Cu+o+`ng ddu+o+.c.
At 2:02 AM 97.3.15 -0800, cuongnguyen wrote:
>Chao ca nha,
>Chao Anh Toan
>
>Cuong xin chan thanh cam on Anh Ca, Anh VuNguyenTha`nh, Anh TLthanh,
>ba.n So+? va- Anh Toa-n (toan@usa.net) da giu'p cho Cuong nhung tin tuc
>co gia tri de Cuong chuan bi cho cai Presentation sap toi. Tuy vay Cuong
>van con co' mot so^' thac mac muon hoi them, phien cac Anh giu'p no^'t.
>
>1. Anh Tha`nh co' no'i la- khi' gi- do' trong tu? la.nh thi do' la- khi'
>Freon. Nhung hi-nh nhu la co' hai loai freon thi- pha?i vi khi o VN ca'i
>tu? la.nh nha Cuong no' bi. do- gas va phai di nap lai. Khi den cua hang
>thi- nguoi ta hoi la thich loai gas na-o, freon 11 va freon 22 moi loai
>moi tie^-n. Vay thi- chu'ng kha'c nhau die^?m gi- va- loai na-o la-m
>thu?ng Ozone layer??? Co-n voi tu? la.nh thi cha'c la loai nao da(t hon
>thi tot hon :-))
>
Ca'i na`y la` CFC. Anh Tua^'n Pha.m dda~ tra? lo+`i.
>2. Do+n vi. do a'nh sa'ng thuong la- Lux, va^.y thi co-n co' don vi. nao
>kha'c kho^ng??? Do+n vi. do UV co' pha?i la- Lux kho^ng??? Ca'c den UV
>thuong co' kha? nang pha't ra bao nhieu don vi.???
Co' ra^'t nhie^`u ddo+n vi:
1. Pho^? bie^'n nha^'t: W/m^2
2. 1 Eistein: =18.37x10^4 J=43.91 Kcal
3. 1 erg/s=0.0000001W
4. 1giga cal/cm^2=4.185J/cm^2=1ly (langley)
5. 1 giga cal =3.50x10^{-9} Angstrom
>
>
>
>Phu Cuong in Ghent
Cu+o+`ng ne^n ddo.c the^m cuo^'n
*************************
Climate Change, the IPCC Impacts Assesment,
World Meteorological Organization/United Nations Environmental Programme,
International panel on Climate Change.
Edited by W.J. McG Tegart, G.W. Sheldon and D.C. Grififths,
Australian Government Publishing Service, Canberra, 1990.
************************
Co' ra^'t nhie^`u a?nh hu+o+?ng to+'i Vie^.t nam. Ve^'n dde^` quan tro.ng nha^'t
la` vo+'i vie^.c ta(ng nhie^'.t ddo^. kho^ng khi' le^n tu+` 1.2^oC to+'i
4^oC (du+.
ddoa'n va`o na(m 2050), mu+.c nu+o+'c bie^?n se~ da^ng le^n tu+` 30cm to+'i
50 cm. Bo+` bie^?n cu?a ta se~ bi. xo'i lo+? nhie^`u ho+n, nhie^`u vu`ng se~
bi. nga^.p. DDa(.c bie^.t, va^'n dde^` xa^m nha^.p ma(.n va`o ddo^`ng ba(`ng
so^ng Cu+?u Long va` ddo^`ng ba(`ng so^ng Ho^`ng se~ ma.nh ho+n nhie^`u.
Ba.n ne^n nho+' la` hie^.n ta.i. do chua phe`n va` ma(.n, ta.i ra^'t
nhie^`u vu`ng
o+? DBSCL pha?i du+. tru+~ nu+o+'c cho tra^u bo` uo^'ng va`o mu`a kho^.
Lu~ lu.t o+? ddo^`ng ba(`ng so^ng Cu+? Long, vo^'n dda~ nghie^m tro.ng, se~
ca`ng nghie^m tro.ng ho+n. Thie^.t ha.i ve^` cu?a ca?i se~ la` ra^'t lo+'n.
Ca.