一本一道久久综合狠狠老_冠希实干阿娇13分钟视频在线_亚洲熟女WWW一区二区三区_国产精品一区二区av

YT-265-3全自(zi)動毛細(xi)管(guan)粘(zhan)度(du)(du)計清(qing)(qing)洗(xi)器適(shi)用(yong)于清(qing)(qing)洗(xi)石(shi)油產(chan)(chan)品試驗用(yong)毛細(xi)管(guan)粘(zhan)度(du)(du)計。可用(yong)來(lai)清(qing)(qing)洗(xi)具有三端口的品氏(shi)、烏氏(shi)、芬氏(shi)、逆流等玻(bo)璃(li)毛細(xi)管(guan)粘(zhan)度(du)(du)計。改變了靠(kao)傳(chuan)統手工(gong)清(qing)(qing)洗(xi)、費時費力且不易(yi)洗(xi)凈的現狀。可廣泛應用(yong)于石(shi)油產(chan)(chan)品生產(chan)(chan)企業、使用(yong)單位、各(ge)(ge)相關院(yuan)校、科研院(yuan)所(suo)實(shi)驗室等使用(yong)各(ge)(ge)類毛細(xi)管(guan)粘(zhan)度(du)(du)計的場合(he)。

稀釋型烏氏粘(zhan)(zhan)(zhan)度(du)計(ji)(ji) 烏氏玻璃粘(zhan)(zhan)(zhan)度(du)計(ji)(ji) 1836是按照GB/T1632.1-2008《塑料 使用(yong)毛細管(guan)粘(zhan)(zhan)(zhan)度(du)計(ji)(ji)測定聚(ju)合物稀溶(rong)液(ye)粘(zhan)(zhan)(zhan)度(du)》標準(zhun)規定制造。與1835烏氏粘(zhan)(zhan)(zhan)度(du)計(ji)(ji)基(ji)本相同(tong)(tong)，*不(bu)同(tong)(tong)的是貯液(ye)球體積增大（約50ml），便(bian)于(yu)在球內稀釋被(bei)測液(ye)體，以便(bian)測試不(bu)同(tong)(tong)濃度(du)液(ye)體的粘(zhan)(zhan)(zhan)度(du)。

銅片腐蝕標準(zhun)比色(se)板卡是ASTM美國腐蝕標準(zhun)色(se)板，ASTM COPPER STRIP CORROSION STANDARDSASTM METHOD D 130/IP 154