Xov xwm

Lub sijhawm nthuav tawm: Lub Ib Hlis 21-23, 2018
Qhov chaw: Dubai International Exhibition Center
Exhibition voj voog: ib xyoos ib zaug
Sp...

1. Cov lus qhia los ntawm cov kws tshaj lij tua hluav taws: Tsis txhob siv lub tshuab tua hluav taws tua hluav taws ncaj qha rau tus neeg tua hluav...

Qhov hnyav molecular ntawm carbon dioxide yog 44, thiab molecular hnyav ntawm huab cua yog 29, yog li carbon dioxide yuav ntws downwards nyob rau h...

Yuav siv lub tshuab tua hluav taws yooj yim li cas (1) Portable: Thaum siv, tus kov ntawm lub tshuab tua hluav taws los yog lub tshuab tua hluav ta...

Kev phom sij ntawm tsev neeg hluav taws kub yog qhov zoo, thiab qhov kev tshuaj xyuas tshwj xeeb yog raws li hauv qab no: Thaum lub sij hawm tus tx...

Muaj lus hais tias cov tshuaj tua hluav taws tsuas yog khaws cia hauv chav tsev kub xwb, puas yog? Tab sis cov hluav taws tua hluav taws tuaj yeem ...

Ib, Cov Lus Qhia los ntawm cov kws tshaj lij hluav taws xob: Tsis txhob siv lub tshuab tua hluav taws los tshuaj tsuag ncaj qha rau tus neeg tua hl...

Lub hauv paus ntsiab lus ntawm kev tshawb nrhiav hluav taws yog siv lub ntsiab lus tseem ceeb los teb cov ntaub ntawv hluav taws zoo xws li hluav t...

Lub ntiaj teb thawj lub tshuab tua hluav taws tau yug los. Xyoo 1834, qhov hluav taws kub hauv London yuav luag tag nrho lub tsev qub qub ntawm Wes...

Feem ntau, qhov hluav taws kub tua hluav taws yuav tsis ua rau tawg. Txawm li cas los xij, lub sijhawm ntev ntawm lub tshuab tua hluav taws rau lub...

Lub hauv paus ntsiab lus ntawm txhua txoj kev tua hluav taws yog tshuaj tsuag tus neeg tua hluav taws ncaj qha rau ntawm cov khoom siv hluav taws k...

Yuav ua li cas xaiv cov khoom siv tua hluav taws rau ntau hom hluav taws kub? 1. Txhawm rau tiv thaiv cov hluav taws kub hauv chav kawm A, uas yog,...