During melting and throughout the crystal growing process the barium acts as a devitrification promoter and creates a layer of devitrified silica on the inside crucible surface in contact with the melt resulting in a lower level of contaminants in the melt and grown crystal.

在熔化以及晶體生長的整個過程中性交配网站，鋇起失透促進劑的作用并且在與熔體接觸的坩堝內(nèi)表面上產(chǎn)生失透二氧化硅層，從而降低了在熔體以及生長的晶體中的污染物量欧美日韩三区二区三区二区。

Glass with added composite nucleating agent will not be devitrified if not heat treated.

加晶核劑而未經(jīng)熱處理的玻璃仍無結(jié)晶相的析出女人张开腿男人猛桶视频。

The influences of foaming and holding time on bubble diameter and the property of devitrified foam glass have been studied.

以廢玻璃為主要原料，用V2O5作為成核劑在线观看国产技师自拍网站免费视频，再加入其它輔助原料制各了微晶泡沫玻璃新黄页在线观看，研究了發(fā)泡溫度，保溫時間對微晶泡沫玻璃泡徑及性能的影響欧美黄色大片久久网频播放。

A fine-grained crystalline ceramic material that was formed as a glass and subsequently devitrified.

玻璃陶瓷：一種晶粒細小的晶體陶瓷材料成人综合网在线播放网站，先制成玻璃，隨后做反玻璃化處理欧美视频欧美性爱。

The influences of foaming and holding time on bubble diameter and the property of devitrified foam glass have been studied.

以廢玻璃為主要原料网站黄色视频a，用V2O5作為成核劑，再加入其它輔助原料制備了微晶泡沫玻璃无码视频亚洲一区，研究了發(fā)泡溫度国产性爱aaa、保溫時間對微晶泡沫玻璃泡徑及性能的影響。

devitrified rhyolite：脫玻流紋巖

devitrification 去玻作用 | devitrified rhyolite 脫玻流紋巖 | devitrified 脫玻的

devitrified：脫玻的

devitrifiedrhyolite脫玻流紋巖 | devitrified脫玻的 | devitrify使失光澤

devitrified：反玻璃化的(晶化的)

crystalline? 晶態(tài)的 | devitrified 反玻璃化的(晶化的) | ductility (可)延(展)性,可鍛性

devitrified glass：失透玻璃

devitrification 失透;反踩毡净粕悠稻镁镁茫化 | devitrified glass 失透玻璃 | devitrite 失透物

devitrified glass：悶光玻璃

devitrification stone ==> 析晶結(jié)石 | devitrified glass ==> 悶光玻璃 | devolution of powers ==> 放權(quán)