Dab tsi yog lub ntsiab lus ntawm daim tawv nqaij?

Video: Dab tsi yog lub ntsiab lus ntawm daim tawv nqaij?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

Tsis zoo tawv nqaij turgor tshwm sim nrog ntuav, raws plab, lossis ua npaws. Cov tawv nqaij yog qeeb heev kom rov qab mus rau qhov qub, lossis qhov tawv nqaij "tsev pheebsuab" thaum lub sijhawm kuaj xyuas. Qhov no tuaj yeem qhia pom lub cev qhuav dej hnyav uas xav tau kev kho sai. Koj tau txo tawv nqaij turgor thiab tsis tuaj yeem nce koj cov kua dej ntau ntxiv (piv txwv li, vim ntuav).

Ib yam li ntawd, koj yuav piav qhia daim tawv nqaij li cas?

Daim tawv nqaij turgor hais txog qhov elasticity ntawm koj tawv nqaij . Thaum koj rub lub tawv nqaij ntawm koj txhais caj npab, piv txwv li, nws yuav tsum rov qab mus rau qhov chaw nrog thib ob lossis ob. Muaj kev txom nyem daim tawv nqaij turgor txhais tau tias nws yuav siv sij hawm ntev dua rau koj tawv nqaij rov qab mus rau nws txoj haujlwm li qub. Nws feem ntau siv los ua txoj hauv kev los tshuaj xyuas lub cev qhuav dej.

Qhov thib ob, daim tawv nqaij turgor yog dab tsi thiab nws raug tshuaj xyuas li cas? Cov kev soj ntsuam ntawm daim tawv nqaij turgor tau siv hauv tsev kho mob txhawm rau txiav txim siab txog qhov lub cev qhuav dej, lossis poob dej, hauv lub cev. Kev ntsuas yog ua los ntawm pinching ib feem ntawm tawv nqaij (feem ntau nyob tom qab ntawm tes) ntawm ob tug ntiv tes kom nws tsa tau ob peb feeb.

Ib yam li ntawd, dab tsi yog tsis tawm tsam?

Tenting a ntawm yog hais txog kev npog ntawm nrog lub ntsej muag muag los npog lossis tawv nqaij hla qhov qhib. Ib ntawm yog lub qhov drilled rau hauv PCB uas tso cai rau ntau txheej ntawm PCB kom txuas nrog ib leeg. A tsis yog tented via tsuas yog ib qho ntawm uas tsis tau them nrog cov txheej txheem soldermask.

Lub sij hawm turgor ntawm daim tawv nqaij yog dab tsi?

A lub sijhawm turgor ntawm 1.5 vib nas this lossis tsawg dua tau pom tias qhia tau tias tsawg dua 50-mL/kg tsis txaus lossis ntawm a li qub menyuam mos; 1.5 mus rau 3.0 vib nas this qhia tias qhov tsis txaus ntawm 50 thiab 100 mL / kg, thiab ntau dua 3 vib nas this qhia tias qhov tsis txaus ntawm ntau tshaj 100 mL / kg.

Pom zoo:

Dab tsi yog txheej txheej sab saum toj ntawm daim tawv nqaij nyob ib sab ntawm daim tawv nqaij?

Lub dermis txuas cov epidermis mus rau hypodermis, thiab muab lub zog thiab kev ywj pheej vim muaj cov collagen thiab elastin fibers. Nws tsuas muaj ob txheej: txheej txheej papillary nrog papillae uas nthuav mus rau hauv daim tawv nqaij thiab qis dua, txheej txheej reticular uas muaj cov ntaub so ntswg sib txuas xoob

Dab tsi yog qhov txawv ntawm daim tawv nqaij thiab daim tawv nqaij daim ntawv xeem?

Qauv: Sib sib zog nqus ntawm daim tawv nqaij; connective ntaub so ntswg muaj li ntawm ob txheej. Muaj nuj nqi: Muaj lub luag haujlwm rau cov txheej txheem muaj zog thiab yoog raws ntawm daim tawv nqaij; lub epidermis pauv cov pa roj, cov khoom noj, thiab cov khoom pov tseg nrog cov hlab ntsha hauv lub dermis

Puas yog lo lus dav dav txhais tau tias yog mob ntawm daim tawv nqaij lossis pob khaus uas tuaj yeem muaj ntau yam ua rau nws yog ib qho cim ntawm ntau hom tawv nqaij tsis xws luag?

Dermatitis yog lo lus dav dav uas piav txog kev ua rau tawv nqaij. Dermatitis yog ib yam mob uas muaj ntau yam ua rau thiab tshwm sim ntau yam. Nws feem ntau yog khaus, tawv nqaij qhuav los yog pob khaus ntawm daim tawv nqaij o, reddened

Npaum li cas ntawm daim tawv nqaij thiab daim tawv nqaij?

txog 2 hli Ua raws li qhov no hauv kev txiav txim siab, tuab npaum li cas ntawm cov epidermis nyob tom qab? Dermis thiab subcutaneous rog Nws yog tuab (nruab nrab 1 txog 4 hli) tshaj li daim tawv nqaij uas yog hais txog nyias li daim ntawv.