Kev sim tshuaj los ntawm kev sib tsoo cov plaub hau

Sib piv nrog cov zis, ntshav thiab lwm yam ntaub ntawv, qhov tseem ceeb tshaj plaws ntawm cov plaub hau kuaj yog tias lawv ntev cov sij hawm rov qab siv tshuaj thiab muaj peev xwm khawb cov ntaub ntawv tshuaj rau lub sij hawm ntev zog. Cov plaub hau ntawm ob peb lub npib ntawm centimeters kuj tseem tuaj yeem cuam tshuam txog kev siv tshuaj yeeb nyob hauv ob peb xyoos. .

Kev kuaj cov plaub hau muaj ntau cov kev ua tau zoo:

1. Sampling yooj yim thiab txiav tau txhua sij hawm thiab nyob qhov twg;

2, nws tsis yog yooj yim rau adulterate, cov plaub hau yog yooj yim mus ntses, tab sis cov zis yuav ua piv txwv ua dej haus xws li tshuaj yej;

3, tsis cuam tshuam rau tus kheej ntiag tug ntawm cov neeg ua haujlwm sau cia, thiab cov zis sau cia yuav tsum tau saib xyuas hauv tsev kawm ntawv;

4, yooj yim cia, cov plaub hau tuaj yeem muab cia rau hauv chav sov, thiab tso zis, ntshav thiab lwm yam khoom siv feem ntau yuav tsum tau qis-txias khov cia.