Peb cov khoom lag luam

I. Kev Tiv Thaiv thiab Xa Tawm Bio-Tshuaj (1) Cov tshuaj tiv thaiv ua rau muaj teeb meem thiab qhov kub thiab txo lawv cov hauj lwm sai, yog li lawv yuav tsum khaws cia hauv tub yees li 2 txog 5 ° C. Ua tsis tiav kev txhaj tshuaj tiv thaiv xws li khov yog muaj qhov tsis zoo rau qhov ua tau zoo, yog li ntawd lub tub yees ...

Khoom noj khoom haus tsom xam kev nyab xeeb khoom siv ua haujlwm Thermo Kev Tshawb Fawb Lub Neej Kev Tshawb Fawb MS tsis tsuas yog siv lub tshuab ua ke ntev ntev, tab sis tseem txuas ntxiv dua tshiab. Quadrupole huab hwm coj tsom xam ntawm qhov tseeb conjugate hyperboloids uas haum qhov zoo tshaj plaws theoretical hluav taws xob hluav taws xob hauv phau ntawv sau yog siv rau ...

Nyob rau tam sim no, peb cov kev aquaculture kev lag luam tau hloov mus rau hauv cov kev taw qhia tshwj xeeb thiab ntsuas. Cov neeg ua liaj ua teb ib txwm koom nrog cov koom haum tshaj lij. Nrog rau kev txhim kho kev ua lag luam, kev muag khoom thiab kev siv cov tshuaj veterinary tau pib dhau qee qhov kev hloov pauv, uas tau pib muaj kev cuam tshuam p ...