Xov xwm
-
Cov haujlwm tshwj xeeb ntawm cov teeb liab tswj qhov system
Lub teeb liab tswj qhov system yog tsim los ntawm txoj kev tsheb ciav hlau teeb liab tswj, txoj kev teeb liab teeb liab teeb pom kev zoo, cov khoom siv kev khiav tsheb khiav, cov khoom siv sib txuas lus, tswj lub computer thiab lwm yam software, uas yog siv rau kev tswj cov teeb liab. Qhov tshwj xeeb ua haujlwm ntawm lub teeb liab tsheb c...Nyeem ntxiv -
Kev loj hlob zeem muag ntawm LED tsheb teeb
Tom qab ntau xyoo ntawm kev txhim kho thev naus laus zis, qhov ua tau zoo ntawm LED tau zoo heev. Vim nws zoo monochromaticity thiab nqaim spectrum, nws muaj peev xwm ncaj qha emit xim pom lub teeb yam tsis tau lim. Nws kuj muaj qhov zoo ntawm qhov ci ntsa iab, kev siv hluav taws xob tsawg, ntev ...Nyeem ntxiv -
Vim li cas hnub ci tsheb teeb muaj qhov zoo?
Niaj hnub no, nrog kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis, ntau yam khoom siv hluav taws xob kuj tau hloov kho tas li. Lawv tsis tsuas yog txawj ntse, tab sis kuj nrhiav kev tiv thaiv ib puag ncig. Ib yam yog qhov tseeb ntawm hnub ci teeb pom kev zoo. Raws li cov khoom tshiab ntawm kev tiv thaiv ib puag ncig thiab kev tu, nws muaj nws cov ...Nyeem ntxiv -
Cov txiaj ntsig ntawm lub hnub ci teeb pom kev zoo thiab lawv qhov kev sim ntau yam
Lub hnub ci teeb pom kev zoo tsuas yog tso siab rau lub zog ntawm lub hnub kom ntseeg tau tias nws siv li qub, thiab nws muaj lub zog cia ua haujlwm, uas tuaj yeem ua kom muaj kev ua haujlwm li qub rau 10-30 hnub. Nyob rau tib lub sijhawm, lub zog uas nws siv yog lub hnub ci zog, thiab tsis tas yuav nteg cov cables nyuaj, yog li nws tau tshem ntawm lub shac ...Nyeem ntxiv -
Lub hauv paus ntsiab lus ua haujlwm ntawm hnub ci teeb pom kev zoo
Hnub ci teeb pom kev zoo yog siv los ntawm lub hnub ci vaj huam sib luag, uas yooj yim rau nruab thiab txav tau yooj yim. Nws muaj feem xyuam rau cov kev sib tshuam uas tau tsim tshiab nrog cov tsheb khiav loj thiab kev xav tau ceev ceev ntawm cov teeb liab tsheb tshiab, thiab tuaj yeem ua tau raws li cov kev xav tau ntawm hluav taws xob thaum muaj xwm ceev, kev txwv fais fab thiab lwm yam tshwm sim ...Nyeem ntxiv -
Kev txhim kho keeb kwm thiab kev ua haujlwm ntawm cov teeb pom kev zoo?
Thaum pib ntawm lub xyoo pua 19th, hauv York City hauv Central England, cov khaub ncaws liab thiab ntsuab sawv cev rau cov poj niam sib txawv. Ntawm lawv, tus poj niam liab txhais tau tias kuv yuav poj niam, thaum tus poj niam ntsuab tseem tsis tau yuav. Tom qab ntawd, cov tsheb sib tsoo feem ntau tshwm sim nyob rau hauv pem hauv ntej ntawm lub parliament tsim ...Nyeem ntxiv -
Cov yam ntxwv tshwj xeeb ntawm cov teeb liab tswj cov kab ke
Lub teeb liab tswj kev tswj yog tsim los ntawm txoj kev tsheb teeb liab tswj, txoj kev teeb liab teeb liab teeb pom kev zoo, cov khoom siv khiav khiav, cov khoom siv sib txuas lus, tswj lub computer thiab lwm yam khoom siv. Nws yog tsim los ntawm software, thiab lwm yam., thiab yog siv rau lub kaw lus ntawm txoj kev tsheb ciav hlau teeb liab contr ...Nyeem ntxiv -
Hnub ci teeb liab teeb muab rau koj nrog tsawg-carbon thiab lub zog txuag kev thauj mus los
Hnub ci teeb liab teeb tau ib txwm yog cov khoom siv thev naus laus zis tshiab. Hnub ci teeb liab teeb tsis cuam tshuam los ntawm huab cua hauv cheeb tsam thiab tuaj yeem siv tau ntev raws li xav tau. Nyob rau tib lub sijhawm, cov teeb pom kev zoo hnub ci teeb pom kev zoo kuj tseem pheej yig heev, txawm tias nyob hauv cov nroog tsis muaj kev tsim kho. Yooj yim installation ib txwm ...Nyeem ntxiv -
Hnub ci teeb liab teeb muab rau koj nrog tsawg-carbon thiab lub zog txuag kev thauj mus los
Nrog ntau thiab ntau tus neeg, ntau thiab ntau tus tswv tsheb. Raws li qee tus neeg tsav tsheb tshiab thiab cov neeg tsav tsheb tsis tsim nyog tau tsoo txoj kev, cov tsheb khiav tau maj mam congested, thiab qee tus neeg tsav tsheb qub tsis txawm twv yuav raug ntaus txoj kev. Qhov no feem ntau yog vim qee cov teeb liab teeb liab yog qhov ua tsis tiav. Rau cov tsav tsheb...Nyeem ntxiv -
Kev soj ntsuam ntawm high-speed pos huab teeb tswj lub tswv yim
Txoj kev nthuav dav muaj cov yam ntxwv ntawm kev ceev ceev, ntws loj, kaw tag nrho, kev hloov pauv tag nrho, thiab lwm yam. Nws yuav tsum tau ua kom lub tsheb yuav tsum tsis txhob qeeb thiab nres arbitrarily. Txawm li cas los xij, thaum huab cua huab cua tshwm sim ntawm txoj kev loj, txoj kev pom kev txo qis, uas tsis tsuas yog txo tus neeg tsav tsheb R ...Nyeem ntxiv -
Qhov zoo ntawm mobile solar tsheb teeb
Lub hnub ci teeb liab lub teeb txawb lub teeb yog lub teeb txawb tau thiab nqa tau lub hnub ci thaum muaj xwm txheej ceev, uas tsis yog yooj yim, txav tau thiab nqa tau, tab sis kuj yog ib puag ncig zoo heev. Nws siv ob txoj kev them nyiaj hnub ci zog thiab roj teeb. Qhov tseem ceeb tshaj, nws yog qhov yooj yim thiab yooj yim rau kev khiav lag luam, thiab lub ...Nyeem ntxiv -
Txheej txheem cej luam ntawm cov teeb pom kev zoo
Qhov kev hais kom ua tsis siv neeg ntawm cov teeb pom kev tsheb yog tus yuam sij kom paub txog kev khiav tsheb kom zoo. Teeb pom kev tsheb yog ib feem tseem ceeb ntawm cov teeb liab tsheb thiab cov lus yooj yim ntawm txoj kev tsheb. Lub teeb tsheb muaj teeb liab (qhia tias tsis muaj tsheb), teeb ntsuab (qhia kev tso cai tsheb), a ...Nyeem ntxiv
