Na'urar da aka tsara ruwa

Na'urar da aka tsara ruwa

Ana amfani da na'urar iyaka ta hannu (Casagrande) don tantance danshi abun ciki a wanne yumbu ƙasa ya wuce daga filastik zuwa ƙasa. Na'urorin sun ƙunshi tsarin daidaitawa da cam da cam, mai busa ƙaho da ruwan gunkin tagulla wanda ya dace a gindi.

Ana amfani da nau'in murfin kwano mai iyaka na mita don auna iyakar ruwa na ƙasa. Kayan aiki ne da ake amfani da shi don ƙira da gini don rarraba nau'ikan ƙasa, ƙididdige daidaito na dabi'a da index na dabi'a.

Tsarin gwaji

1. Sanya samfurin ƙasa a cikin tasa mai narkewa, ƙara 15 zuwa 20 ml na ruwa mai narkewa, sai a haɗa 1 zuwa 3 ml na ruwa kowane lokaci, kuma haɗa sosai da hanyar da ke sama. duka.

2. Lokacin da kayan ƙasa an haɗu da isasshen ruwan sha don isa ga daidaito, ya yi daidai da buƙatar sauke sau 30 zuwa 35 don haɗuwa. Sanya wani yanki na yumbu manna a cikin kwano a saman inda tasa ya shafi farantin. Yi amfani da wuka na ƙasa da ƙasa don latsa ƙasa manna a wani tsari, kula don danna shi kamar 'yan lokuta kaɗan, da kuma hana blisters daga zama gauraye a cikin ƙasa manna. Yi amfani da wuka-ƙasa mai daidaitawa don santsi a farfajiya na ƙasa manna, da kuma m ɓangare na ƙasa manna shine 1 cm lokacin farin ciki. An dawo da wuce haddi kasar a cikin kwano mai ruwa, da kuma manna a cikin kwano an yanka tare da diamita tare da yine daga cikin mai bi. An tsara hanyar da aka ayyana, an ƙayyade ramin. Don hana tsoratar da tsagi ko mashin ƙasa zamewa a cikin kwano, aƙalla stakes shida daga gaba an ba da damar maye gurbin ɗaya da aka ba da izini har zuwa lokacin ƙarshe. Muhimman lamba tare da kasan tasa ya kamata a jefa a matsayin 'yan lokuta kamar yadda zai yiwu.

3. Juya abin da ya shafi f a saurin tawaye 2 a sakan na biyu don sanya farantin ƙasa ya tabawa a kasan tsagi game da 1/2 mm). Yi rikodin adadin hits da ake buƙata don tsawon inch 1/2 na tsinkaye na tsagi na ƙasa.

4. Yanke wani yanki na ƙasa perpendicular zuwa gangara daga ƙasa gefen zuwa gefe na yankan yankan wuka, sanya shi a cikin rufaffiyar suttura, saka shi a cikin rufaffiyar akwatin, yana sanya shi a cikin akwatin da ya dace da shi, yana da nauyi da kuma hada shi. Rikodin. Gasa zuwa kullun nauyi a 230 ° / F (110 ° ± 5 °). Nan da nan bayan sanyaya da kafin tsotse a cikin adsorbed ruwa, auna nauyi. Yi rikodin asarar nauyi bayan bushewa kamar yadda ruwa nauyi.

5. Matsar da sauran kayan ƙasa a cikin tasa zuwa ga mantarwa tasa. Wanke da bushe tasa da growo, kuma sake saukar da tasa don gwaji na gaba.

6. Yi amfani da kayan ƙasa sun koma ga ƙwanƙwaran da ke motsa ruwa don ƙara ruwa don ƙara yawan ruwa na ƙasa, kuma aƙalla ƙarin gwaje-gwaje da yawa bisa ga hanyar da ke sama. Manufar shine don samun samfuran ƙasa na daidaitattun abubuwa, kuma adadin sauke da ake buƙata don yin abubuwan haɗin ƙasa na ƙasa yana ƙaruwa sama da sau 25. Yawan raguna da aka samu ya kamata ya kasance tsakanin 15 zuwa 350, kuma ana aiwatar da samfurin kasar gona da kullun daga busasshiyar ƙasa zuwa gaji a cikin gwajin.

7. Lissafi

A lissafin abun cikin ruwa na ƙasa, wanda aka bayyana a matsayin kilowa na busassun ƙasa mai nauyi;

WN = (ruwa mai nauyi × bushe ƙasa nauyi) × 100

8. Zirin filastik mai gudana

Yi mãkirci 'fitilar filastik' a kan takarda mai ɗaci; Yana wakiltar alaƙar tsakanin abun ciki na ruwa da yawan tasa saukad da. Theauki abun cikin ruwa kamar yadda ABSCISsa da amfani da sikelin lissafi, da kuma amfani da adadin faduwa kamar yadda aka tsara da amfani da sikelin larithmic. Tsarin filastik mai gudana shine layin madaidaiciya, wanda ya kamata ya wuce cikin maki uku ko sama da haka.

9.

A kan kwarara kwana, an sami abun ciki na ruwa a saukad da ruwa 25 a matsayin iyakar ruwa na ƙasa, kuma ƙimar an zagaye zuwa lamba.

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