Nheyo yedhaimani mulching layer yekuvandudza kugona kwepakeji

1. Kugadzirwa kwedhaimani rakaputirwa nekabhoni

Nheyo yekusanganisa upfu hwesimbi nedhaimani, kudziyisa kusvika patembiricha yakatarwa uye kudzivirira kupisa kwenguva yakati pasi pevacuum. Patembiricha iyi, kumanikidzwa kweutsi hwesimbi kwakakwana kufukidza, uye panguva imwe chete, simbi inonamirwa pamusoro pedhaimani kuti igadzire dhaimani rakaputirwa.

2. Kusarudzwa kwesimbi yakafukidzwa

Kuti dhaimani isimbi yakasimba uye yakavimbika, uye kuti tinzwisise zviri nani pesvedzero yemusanganiswa wejira pasimba rejira, simbi inofanira kusarudzwa. Tinoziva kuti dhaimani imhando yeC, uye lattice yayo itetrahedron yakajairika, saka musimboti wekufukidza musanganiswa wesimbi ndeyekuti simbi ine hukama hwakanaka nekabhoni. Nenzira iyi, pasi pemamwe mamiriro, kudyidzana kwemakemikari kunoitika panzvimbo inopindirana, zvichigadzira chisungo chemakemikari chakasimba, uye membrane yeMe-C inoumbwa. Dzidziso yekupinda nekunamatira muhurongwa hwedhaimani-simbi inoratidza kuti kudyidzana kwemakemikari kunoitika chete kana chisungo chichishanda AW> 0 uye chasvika pakukosha kwakati. Zvinhu zvesimbi zvepfupi zveboka B zviri patafura yeperiodic, zvakaita seCu, Sn, Ag, Zn, Ge, nezvimwewo zvine hukama husina kunaka hweC uye basa rekunamatira rakaderera, uye zvisungo zvinoumbwa mabhondi emolecular asina kusimba uye haafanirwe kusarudzwa; simbi dzinoshanduka dziri mutafura refu yeperiodic, dzakadai seTi, V, Cr, Mn, Fe, nezvimwewo, dzine basa guru rekunamatira nehurongwa hweC. Simba rekubatana kweC nesimbi dzinoshanduka rinowedzera nehuwandu hwemaerekitironi e d layer, saka Ti neCr zvakakodzera kufukidza simbi.

3. Kuedza rambi

Pakupisa kwe8500C, dhaimani haigone kusvika pasimba remahara remaatomu ecarbon activated pamusoro pedhaimani neupfu hwesimbi kuti igadzire simbi carbide, uye kanenge 9000C kuti iwane simba rinodiwa pakuumbwa kwesimbi carbide. Zvisinei, kana tembiricha yakanyanya, ichakonzera kurasikirwa kwekupisa kwedhaimani. Tichifunga nezvesimba rekukanganisa kwekuyera tembiricha nezvimwe zvinhu, tembiricha yekuyedza coating inoiswa pa9500C. Sezvatinoona kubva pahukama huripo pakati penguva yekudzivirira nekumhanya kwekuita (pazasi),? Mushure mekusvika pasimba remahara rekugadzirwa kwesimbi carbide, reaction inokurumidza, uye nekugadzirwa kwecarbide, reaction rate ichadzikira zvishoma nezvishoma. Hapana mubvunzo kuti nekuwedzerwa kwenguva yekudzivirira, huwandu uye mhando ye layer zvichavandudzika, asi mushure memaminitsi makumi matanhatu, mhando ye layer haikanganisike zvakanyanya, saka tinoisa nguva yekudzivirira seawa imwe; kana vacuum yakakwira, zviri nani, asi zvakaganhurirwa nemamiriro ekuyedza, tinowanzo shandisa 10-3mmHg.

Nheyo yekuvandudza kugona kwepakeji

Mhedzisiro yekuedza inoratidza kuti muviri wemwana uri mudumbu wakasimba kupfuura dhaimani rakaputirwa kupfuura dhaimani risina kuputirwa. Chikonzero chekugona kwakasimba kwemuviri wemwana uri mudumbu kudhaimani rakaputirwa ndechekuti, pachangu, pane zvikanganiso zvepamusoro uye zvidimbu zvidiki pamusoro kana mukati medhaimani rekugadzira risina kuputirwa. Nekuda kwekuvapo kwezvidimbu izvi zvidiki, simba redhaimani rinoderera, kune rumwe rutivi, chinhu cheC chedhaimani hachiwanzo pindirana nezvikamu zvemuviri wemwana. Nokudaro, muviri wetayi wedhaimani risina kuputirwa ingori package yemechanical extrusion, uye rudzi urwu rwepakeji isina simba zvakanyanya. Kana mutoro wapera, zvidimbu zvidiki zviri pamusoro apa zvinotungamira kuhuwandu hwekushushikana, zvichikonzera kudzikira kwekugona kwepakeji. Nyaya yedhaimani rakanyanya kuzara yakasiyana, nekuda kwekuputirwa kwefirimu resimbi, zvikanganiso zvedhaimani nezvidimbu zvidiki zvinozadzwa, kune rumwe rutivi, simba redhaimani rakaputirwa rinowedzerwa, kune rumwe rutivi, rakazadzwa nezvidimbu zvidiki, hapasisina chiitiko chekushushikana. Zvinonyanya kukosha ndezvekuti kupinda kwesimbi yakasungirirwa mumuviri wetayi kunoshandurwa kuita kabhoni pamusoro pedhaimani. Kupinda kwemakemikari. Mugumisiro wacho ndewekuti simbi yakasungirirwa pakona yekunyorovesa dhaimani kubva pane anopfuura 100 o kusvika pasi pe500, simbi yakavandudza zvikuru simbi yakasungirirwa pakunyorovesa dhaimani, zvichiita kuti muviri wetayi wepakeji yedhaimani yakavharirwa yakaiswa nepakeji yekutanga yekuwedzera mupakeji yekubatanidza, kureva chisungo chedhaimani nemuviri wetayi, nokudaro zvichivandudza zvikuru muviri wemwana asati aberekwa.

Kugona kuisa pasuru. Panguva imwe chete, tinotendawo kuti zvimwe zvinhu zvakaita sema parameter ekupinza, saizi yedhaimani yakaputirwa, giredhi, saizi yemuviri wemwana wemwana nezvimwewo zvine simba rakati rekuisa pasuru. Kumanikidzwa kwakakodzera kwekupinza kunogona kuwedzera huwandu hwekudzvanya uye kunatsiridza kuoma kwemuviri wemwana wemwana. Kupisa kwakakodzera kwekupinza uye nguva yekuputira zvinogona kukurudzira maitiro emakemikari ekupisa kwakanyanya kwemuviri wetayi nesimbi yakaputirwa nedhaimani, kuitira kuti pasuru yekubatanidza igare yakasimba, giredhi redhaimani rakanaka, chimiro chekristaro chakafanana, chikamu chakafanana chinonyungudika, uye seti yepasuru iri nani.

Kutorwa kubva kuLiu Xiaohui