Dab tsi yog muaj cov tshuaj tswj hwm?

Cov txheej txheem:

Dab tsi yog muaj cov tshuaj tswj hwm?
Dab tsi yog muaj cov tshuaj tswj hwm?
Anonim

Lub ntsiab lus ntawm kev muaj tshuaj tswj yog muaj nyob rau hauv ib tus neeg muaj tshuaj uas tau tshaj tawm los ntawm lub xeev lossis tsoomfwv txoj cai lij choj kom muag lossis siv yam tsis muaj kws khomob tshuaj.

5 yam tshuaj tswj tau dab tsi?

tsib chav kawm ntawm cov tshuaj yog tshuaj tua kab mob, kev nyuaj siab, stimulants, hallucinogens, thiab anabolic steroids.

Puas muaj cov tshuaj tswj tau ua txhaum cai?

Txawm li cas los xij, txawm li cas los xij, kev muaj yeej yog kev ua txhaum cai, thiab txawm tias me me muaj peev xwm raug them raws li kev ua txhaum cai hauv xeev uas muaj kev cai tswj hwm tshuaj nruj. Thiab nyob rau hauv cov uas muaj kev zam txim ntau dua, thaum cov tshuaj txaus ntshai heev koom nrog, xws li heroin lossis cocaine, kev raug txim txhaum cai yuav muaj.

Ob txoj hauv kev los ua pov thawj muaj cov tshuaj tswj tau dab tsi?

Muaj ob txoj hauv kev kom muaj cov tshuaj tswj tau. Ib tug yog muaj tiag. Lwm tus yog constructive muaj. Cia peb cov kws lij choj tiv thaiv kev ua txhaum cai piav qhia.

Yuav ua li cas yog cov tshuaj tswj hwm?

Mloog cov lus. (kun-TROLD SUB-stunts) Ib yam tshuaj los yog lwm yam tshuaj uas yog tsoomfwv tswj hwm nruj vim tias nws yuav raug tsim txom lossis ua rau muaj kev quav yeeb quav tshuaj. Kev tswj tau siv rau txoj kev tsim khoom, siv, tuav, khaws cia, thiab faib.

Pom zoo:

Nthuav cov khoom
Puas talcum hmoov yaj hauv dej?
Nyeem ntxiv

Puas talcum hmoov yaj hauv dej?

Talc yog xyaum insoluble hauv dej, dilute ntxhia acids, thiab dilute daws ntawm alkali halides thiab alkaline hydroxides. Nws yog soluble hauv kub concentrated phosphoric acid. Vim li cas talcum hmoov tsis yaj hauv dej? Tsim Hauv Tsev.

Vim li cas thiaj siv schlieren photography?
Nyeem ntxiv

Vim li cas thiaj siv schlieren photography?

Schlieren kev yees duab yog txheej txheem pom kev uas yog siv los yees duab cov dej ntws ntawm qhov sib txawv. Tsim los ntawm German physicist lub yim hli ntuj Toepler nyob rau hauv 1864 los kawm supersonic motion, nws yog dav siv nyob rau hauv aeronautical engineering los yees duab cov ntws ntawm huab cua nyob ib ncig ntawm cov khoom.

Yuav rov hais dua email li cas?
Nyeem ntxiv

Yuav rov hais dua email li cas?

Koj tuaj yeem sim: "Kuv tab tom ua raws li hauv qab no" lossis "Ua raws li qhov no [thov / nug / haujlwm]" "Kuv rov qab rau hauv qab no" lossis "Circling rov qab rau ntawm no [thov / nug / assignment]