1、鍍(du)(du)層(ceng)厚度的(de)測試方法(fa)有哪些(xie)?鍍(du)(du)層(ceng)是指(zhi)為(wei)了好看或儲藏而涂(tu)在某(mou)(mou)些(xie)物品上的(de)金屬表面涂(tu)上一(yi)層(ceng)塑料,或者一(yi)層(ceng)稀薄(bo)的(de)金屬或為(wei)仿造某(mou)(mou)種貴重金屬,在普通金屬的(de)表面鍍(du)(du)上這(zhe)種貴重金屬的(de)薄(bo)層(ceng)。復合(he)鍍(du)(du)層(ceng)的(de)制(zhi)備是在鍍(du)(du)液中加入一(yi)...
1、什么是快速溫(wen)變(bian)試(shi)驗(yan)(yan)?溫(wen)度(du)沖擊試(shi)驗(yan)(yan)的定義(yi)?什么是溫(wen)濕度(du)交(jiao)變(bian)試(shi)驗(yan)(yan)?快速溫(wen)變(bian)試(shi)驗(yan)(yan)過程是以常溫(wen)→低(di)溫(wen)→低(di)溫(wen)停留→高(gao)溫(wen)→高(gao)溫(wen)停留→常溫(wen)作為一個(ge)循環,溫(wen)度(du)循環試(shi)驗(yan)(yan)的嚴苛(ke)程度(du)是以高(gao)/低(di)溫(wen)度(du)范(fan)圍、停留時間(jian)以及循環數(shu)...
1、什么是中(zhong)性(xing)鹽(yan)霧(wu)試(shi)(shi)驗(yan)(yan)?進行中(zhong)性(xing)鹽(yan)霧(wu)試(shi)(shi)驗(yan)(yan)的意義?鹽(yan)霧(wu)試(shi)(shi)驗(yan)(yan)是一種主(zhu)要利用鹽(yan)霧(wu)試(shi)(shi)驗(yan)(yan)設備所(suo)創(chuang)造(zao)的人工(gong)模(mo)擬(ni)鹽(yan)霧(wu)環境(jing)條件來考(kao)核產品(pin)或金屬(shu)材料耐腐蝕(shi)性(xing)能的環境(jing)試(shi)(shi)驗(yan)(yan)。中(zhong)性(xing)鹽(yan)霧(wu)試(shi)(shi)驗(yan)(yan)英(ying)文名稱(cheng)Neutral Salt Spray test,簡(jian)稱(cheng)...
1、什么是(shi)(shi)交變濕(shi)(shi)熱試(shi)(shi)(shi)驗(yan)(yan)?濕(shi)(shi)熱測(ce)試(shi)(shi)(shi)是(shi)(shi)產(chan)品三(san)防(防潮(chao)、防霉、防鹽(yan)霧(wu))試(shi)(shi)(shi)驗(yan)(yan)之(zhi)一,被廣泛用于電(dian)子(zi)電(dian)工技術(shu)領域。根(gen)據產(chan)品的受(shou)潮(chao)機理和吸(xi)濕(shi)(shi)方式選擇(ze)濕(shi)(shi)熱試(shi)(shi)(shi)驗(yan)(yan)方法。產(chan)品是(shi)(shi)以吸(xi)附或吸(xi)收水分(fen)后而受(shou)潮(chao)的,一般(ban)應(ying)采用恒定(ding)濕(shi)(shi)熱試(shi)(shi)(shi)...
1、什么是高(gao)(gao)溫(wen)(wen)測(ce)試?高(gao)(gao)溫(wen)(wen)測(ce)試的(de)意義?在熱環境下暴(bao)露的(de)可降解塑(su)(su)料可能(neng)發(fa)生多種物理和(he)化學變(bian)(bian)化。暴(bao)露時(shi)間的(de)長短(duan)(duan)和(he)溫(wen)(wen)度(du)的(de)高(gao)(gao)低決定了發(fa)生變(bian)(bian)化的(de)程度(du)和(he)類(lei)型。高(gao)(gao)溫(wen)(wen)短(duan)(duan)暴(bao)露周期通(tong)常就足以(yi)縮短(duan)(duan)可氧化降解塑(su)(su)塑(su)(su)料的(de)誘導期,這個...
渦(wo)輪(lun)葉(xie)片 一、概述渦(wo)輪(lun)葉(xie)片也稱動葉(xie)片,是渦(wo)輪(lun)發動機(ji)中工作(zuo)條件最(zui)惡劣的部(bu)件,又是最(zui)重(zhong)要的轉(zhuan)動部(bu)件。在航空發動機(ji)熱端部(bu)件中,渦(wo)輪(lun)葉(xie)片承(cheng)受(shou)發動機(ji)起動、停(ting)車循環(huan)的高(gao)(gao)溫燃氣沖刷(shua)、溫度交變,轉(zhuan)子葉(xie)片受(shou)高(gao)(gao)轉(zhuan)速下...
Machinelearning in materials informatics: recent applicationsand prospectsRampi Ramprasad,Rohit Batra, Ghanshyam Pilania, et, alnpj ComputationalMaterials (2017) 3:54doi:10.1038/s41524-017-0056-5摘(zhai)要得...
國(guo)(guo)家新材料產業發(fa)展戰略咨詢委員會(National Advisory Committee on New Materials Industry Development Strategy, NACMIDS)由國(guo)(guo)家科學(xue)技(ji)術部(bu)于2001年8月批準成(cheng)立(國(guo)(guo)科高(gao)字【2001】116號),其定位是獨...
Copyright ? 2017-2024 江蘇隱石實驗科技有限公司 All Rights Reserved 技術支持: