Cov txheej txheem:
Video: Yuav ua li cas koj paug cov zis rau kev kuaj tshuaj?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tshuaj lom neeg dag
- Qee tus neeg sawv cev tshaj plaws uas tau ntxiv rau hauv cov qauv tso zis muaj xws li tshuaj dawb, tshuaj pleev qhov muag, xab npum tes, vinegar, ntsev, thiab kua txiv qaub.
- Cov tshuaj no tuaj yeem zais tau yooj yim hauv cov vials me me thiab feem ntau yog ntxiv rau cov qauv thaum cov tib neeg tab tom sim tshuaj xyuas yam tsis muaj kev saib xyuas.
Hais txog qhov no, koj ua li cas rau kev kuaj tshuaj?
Cov tshuaj tua kab mob
- Qee tus neeg sawv cev tshaj plaws uas tau ntxiv rau hauv cov qauv tso zis muaj xws li tshuaj dawb, tshuaj pleev qhov muag, xab npum tes, vinegar, ntsev, thiab kua txiv qaub.
- Cov tshuaj no tuaj yeem zais tau yooj yim hauv cov vials me me thiab feem ntau yog ntxiv rau cov qauv thaum tib neeg tau txais qhov ntsuas tsis tau saib xyuas.
Tsis tas li ntawd, koj yuav hloov cov zis li cas rau kev kuaj tshuaj? Hloov pauv : Ib tug tuaj koom hloov a zis hnoos qeev nrog txiv qaub, dej qab zib, haus dej kis las, dej, lossis lwm tus zis . Lwm qhov kev xaiv nrov rau hloov yog hmoov zis , uas pub sib tov nrog dej.
Ib sab saum toj no, koj yuav sau cov zis kuaj li cas?
Kev kuaj zis yuav tsum muaj tsawg kawg yog 30 mL ntawm zis (45 mL rau US Department of Transportation lossis DOT sau ) sau nyob rau hauv tus kheej ntawm chav dej. Tus neeg sau sau sau qauv nyob rau hauv ib lub raj mis uas kaw nrog tamper-evident daim kab xev.
Koj puas tuaj yeem siv quav dev mus xeem tshuaj?
Aub tso zis tau yuav hloov rau xeem dhau kev kuaj tshuaj . The lab yuav tam sim ntawd chij no. Txoj kev xav yog tias labs yuav tsis lees paub tias lawv poob ib qho piv txwv, yog li lawv yuav tshaj tawm koj xeem as negative thiab koj 'd tau ntiav lawm.
Pom zoo:
Qhov sib txawv ntawm kev ntsuas t rau kev kuaj ywj pheej thiab t kuaj rau cov piv txwv nyob li cas?
Kev kuaj tus kheej t-test sib piv ob pawg neeg ywj pheej ntawm kev soj ntsuam lossis ntsuas ntawm ib tus yam ntxwv. Kev kuaj tus kheej t-test yog qhov nruab nrab ntawm cov ncauj lus sib piv rau cov piv txwv t-test, uas yog siv thaum txoj kev tshawb fawb cuam tshuam nrog kev ntsuas dua (piv txwv li, pretest vs
Puas yog cov kab lis kev cai tso zis yuav tsum tau kuaj thawj cov zis thaum sawv ntxov?
Thawj qhov pov thawj qhov hnoos qeev: Tus neeg mob tau muab lub raj tso zis tso rau hauv tsev thiab qhia kom khaws cov qauv zis thaum thawj zaug nws tso zis thaum sawv ntxov. Vim tias cov zis tsis ruaj khov, cov hnoos qeev yuav tsum raug xa rov qab mus rau chav kuaj hauv ib (1) teev ntawm kev sau
Koj yuav txheeb xyuas cov kua paug li cas?
Thawj qhov kev ntsuam xyuas ntawm cov phev tsis huv siv lub teeb ci Lub teeb mercury sab hauv ua rau lub teeb pom kev loj ntawm UV (320-400 nm) thiab pom pom lub teeb (400-700 nm) uas pom pom cov pa phem nyob hauv ib hnub. Wavelengths tuaj yeem xaiv los ntawm txoj haujlwm lim hloov tau
Dab tsi yog qhov sib txawv ntawm cov tshuaj yuav tshuaj thiab cov lus nug ntawm cov tshuaj hauv khw muag tshuaj?
Cov tshuaj yuav yog cov tshuaj uas xav kom kws kho mob sau tseg kom muab faib tawm. Hauv lub txee, cov tshuaj yog cov tshuaj zoo li Advil lossis Tylenol uas koj tsis xav tau kws kho mob sau tseg los yuav. Qhov sib txawv tseem ceeb ntawm ob yog tias koj yuav tsum muaj daim ntawv yuav tshuaj tshuaj yog tias nws yog tshuaj yuav tshuaj
Puas yog cov paug hauv cov zis qhia tias yog mob qog noj ntshav?
Txawm hais tias tus kab mob muaj cov kua paug hauv cov zis 98-99% ntawm lub sijhawm, nws tsis yog vim li cas. Cov qog nqaij hlav lossis qog nqaij hlav ntawm lub zais zis lossis lub raum feem ntau muaj thaj tsam ntawm qhov mob nyob ib puag ncig cov qog thiab yog li yuav muaj cov qe dawb ntau ntxiv hauv cov zis