Nkhani
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Kodi tanthauzo la IADC pazitsulo zobowola za trione ndi chiyani
Khodi ya IADC ndi yachidule ya "International Association of Drilling Contractors". Khodi ya IADC ya Tricone Bits imatanthawuza kapangidwe kake kokhala ndi mawonekedwe ena (SHIRT TAIL, LEG, SECTION, CUTTER). Ma Code a IADC amapangitsa kuti zikhale zosavuta kuti obowola afotokoze mtundu wa rock bit ...Werengani zambiri -
Kodi TRICONE BIT ELEMENTS NDI CHIYANI?
Roller Cutter Bit / Roller Cone Bit Kodi chodzigudubuza ndi chiyani? Tanthauzo la wodzigudubuza bit. ndi. Kachidutswa kakang'ono kozungulira kokhala ndi zodzigudubuza zokhala ngati koni, zokhala ndi mano zomwe zimazunguliridwa ndi kuzungulira kwa ndodo zobowola. Zidutswa zotere zimagwiritsidwa ntchito mu hard rock mu mafuta otopetsa komanso mu ...Werengani zambiri -
Chifukwa chiyani ma tricone drill bits amagwiritsidwa ntchito kwambiri?
Ma Tricone Drill Bits amagwiritsidwa ntchito kwambiri pobowola chitsime mukadutsa miyala yofewa komanso yolimba Chifukwa champhamvu, kuphwanya ndi kumeta mwala kusweka pamene chulucho chimazungulira, kulumikizana kuli pakati pa chulu ndi dzenje lapansi ndi laling'ono, pr yeniyeni. ...Werengani zambiri -
Katswiri wa WHO posachedwapa wanena kuti umboni wasayansi womwe ulipo ukuwonetsa kuti matenda a coronavirus a 2019 amapezeka mwachilengedwe. Kodi mukugwirizana ndi maganizo amenewa?
Umboni wonse womwe ulipo mpaka pano ukuwonetsa kuti kachilomboka kamachokera ku zinyama m'chilengedwe ndipo sanapangidwe kapena kupangidwa. Ofufuza ambiri aphunzira zamtundu wa kachilomboka ndipo adapeza kuti umboni sukugwirizana ndi zomwe akuti ...Werengani zambiri -
Kodi masomphenya anu ndi otani pa gawo lotsatira la mgwirizano pakati pa WHO ndi China?
Pankhani ya matenda a coronavirus a 2019, luso lakafukufuku ndi chitukuko cha China zitha kuthandizira pakupanga katemera wapadziko lonse lapansi ndi chithandizo, ndikuthandizira kupereka zotsatira za kafukufuku ndi chitukuko kwa onse omwe akufunika. Thandizo la China pakugawana zochitika, kukulitsa ...Werengani zambiri -
Woimira Wamkulu: Ngakhale mliri watsopano wa korona sunayambike ku Bosnia ndi Herzegovina, kuyankha kogwirizana kumafunika kuti tipewe ziphuphu zokhudzana ndi thandizo la mayiko.
Inzko adati Bosnia ndi Herzegovina pakadali pano ili mkati mwa mliri watsopano wa coronavirus wa 2019. Ngakhale kwatsala pang'ono kuwunika mwatsatanetsatane, mpaka pano, dziko likuwoneka kuti lapewa miliri yofalikira komanso kutayika kwakukulu kwa miyoyo yomwe ...Werengani zambiri -
PDC kapena PCD kubowola pang'ono & kusiyana kwake ndi chiyani
PDC OR PCD DILL BIT ? KUSIYANA NDI CHIYANI? PDC kubowola pang'ono kumatanthauza Polycrystalline Diamond Cutter core bit Zitsime zakale kwambiri zinali zitsime zamadzi, maenje osaya okumbidwa ndi manja m'zigawo zomwe madzi amayandikira ...Werengani zambiri -
Kodi ma tricone bits ndi momwe angagwiritsire ntchito pobowola chitsime
Ma tricone bits ali ndi mtundu wa Tungsten Carbide Insert (TCI) ndi Mill Tooth (Zitsulo zachitsulo). Amakhala osinthasintha ndipo amatha kudutsa mumitundu yambiri. Kubowola kwa mill tooth tricone kumagwiritsidwa ntchito popanga zofewa. TCI rotary tricone bits imagwiritsidwa ntchito pazapakati komanso zolimba ...Werengani zambiri -
Chifukwa chiyani mitundu itatu ya ma cone imagwiritsidwa ntchito kwambiri?
Kubowola kwa ma Tricone kumagwiritsidwa ntchito kwambiri pobowola zitsime pakafunika kudutsa miyala yofewa komanso yolimba. Chifukwa cha kukhudzidwa, kuphwanyidwa ndi kumeta ubweya wa thanthwe pamene cone yodzigudubuza imazungulira, kukhudzana pakati pa cone ndi dzenje la pansi kumakhala kochepa, ...Werengani zambiri -
Bungwe la WHO Emergency Committee lachita msonkhano posachedwa ndipo lidalengeza kuti kukulitsa mliri wa matenda a coronavirus a 2019 ndi "PHEIC" yapadziko lonse lapansi ...
Komiti Yoyang'anira Zadzidzidzi imapangidwa ndi akatswiri apadziko lonse lapansi ndipo ili ndi udindo wopereka upangiri waukadaulo kwa Director-General wa WHO pakachitika ngozi yadzidzidzi (PHEIC) yomwe ili ndi nkhawa padziko lonse lapansi:Werengani zambiri -
Kodi mfundo yogwirira ntchito ya tricone drill bit ndi iti?
Ma tricone bits amadalira mphamvu ya chulucho pamapangidwe, kuphwanya ndi kukameta ubweya kuti aphwanye thanthwe.Werengani zambiri