Hauv kev sib tw niaj hnub no, kev lag luam tas li nrhiav txoj hauv kev los txo cov nqi thiab nce nyiaj ntxiv. Ib thaj chaw uas cov nyiaj seem tseem ceeb tuaj yeem ua tiav yog nyob rau hauv kev tshaj tawm g ...

2023-12-08

Kawm Dua

Hydrogen, ib qhov huv thiab ntau heev kev saib xyuas nyob rau hauv xyoo tsis ntev los no raws li qhov kev daws teeb meem rau lub ntiaj teb loj hlob lub zog thiab ib puag ncig kev nyuaj. Raws li qhov tshwm sim, ...

2023-12-08

Kawm Dua

Compressed nitrogen, tseem hu ua gaseous nitrogen, yog ib yam khoom uas pom ntau cov kev siv thoob plaws ntau yam kev lag luam. Qhov tsis muaj ntxhiab tsw no, cov pa tsis muaj kob tau siv dav rau nws tus lej tshwj xeeb ...

2023-11-30

Kawm Dua

Argon-Hydrogen sib tov tau tau txais cov xim tseem ceeb nyob rau hauv lub tshav teb vuam vim lawv cov khoom ntiag tug thiab ntau cov kev siv. Kab lus no aims los tshawb txog ntau yam khoom ntawm ...

2023-11-30

Kawm Dua

Tuam Tshoj International photovoltaic kev sib tham, raws li ib xyoos ib zaug ntawm Suav photovoltaic kev lag luam, tau ua tiav tau ua tiav rau lub sijhawm. Lub rooj sablaj no tau cog lus los tsim a ...

2023-11-23

Kawm Dua

Cov pa roj carbon dioxide (CO2) yog cov roj ntau ntxiv nrog ntau cov ntawv thov. Nws yog siv ntau yam kev lag luam, suav nrog kev tsim khoom, khoom noj thiab dej haus, thiab kev noj qab haus huv. CO2 kuj tseem yog qhov tseem ceeb rau ...

2023-11-14-14

Kawm Dua

Huazhong yog ib tug thawj coj cov kua pa oxygen hauv Suav teb. Lub tuam txhab tau tsim tsa xyoo 1958 thiab yog lub tsev nyob hauv Wuhan, Hubei xeev. Huazhong muaj keeb kwm ntev ntawm muab cov kua zoo ...

2023-11-14-14

Kawm Dua

Argon carbon carbon dioxide sib tov sib xyaw ua ke, feem ntau yog muaj arco2, yog sib xyaw ntawm Argon roj thiab cov pa roj carbon dioxide. Cov sib tov no tau siv dav hauv ntau yam kev lag luam, suav nrog cov hlau nplaum hlau, kev siv tshuaj ...

2023-11-08

Kawm Dua

Hauv daim teb ntawm kev kho mob thiab kev siv lag luam, qhov tseem ceeb ntawm cov pa tsis tuaj yeem dhau. Oxygen yog qhov tseem ceeb hauv ntau cov txheej txheem, los ntawm kev txhawb nqa combusttion kom txhawb nqa lub neej. Xws li ...

2023-11-01

Kawm Dua

1. Pua pua Cov Tsev Kawm Ntawv Sib Koom Tes Ua Haujlwm los siv cov kev txiav txim siab thiab cov neeg sab laj ntawm cov koom haum Community of Community Party University Grad ...

2023-11-01

Kawm Dua

Cov pa roj nitrogen, cov pa roj tsis muaj ntxhiab tsw, yog qhov muaj txiaj ntsig ntau hauv lub ntiaj teb. Thaum nws yog feem ntau paub txog nws lub luag haujlwm hauv kev txhawb nqa lub neej, Nitrogen tseem ua lub luag haujlwm tseem ceeb hauv ntau yam ...

2023-10-25

Kawm Dua