Analysis f k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟
酸除去二氧化
矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。
Analysis of k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟
酸除去二氧化
矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。
This paper discusses how the silicate bacteria affect potassium releasing from minerals, especially the function mechanism during the interaction between bacterial and minerals ; the paper emphasize the problem such as the utilization of silicate bacteria to release significant amounts of potassium from soil minerals in the karst area, and at the same time the utilization of the silicate bacteria in the agriculture of karst area is discussed
主要探討
矽酸鹽細菌的解鉀作用,以及使難溶性礦物態鉀轉化為速效性鉀的作用機理;同時在研究
矽酸鹽細菌解鉀作用機理問題的基礎上,重點探討了喀斯特環境中利用
矽酸鹽細菌活化土壤中的礦物鉀元素的問題,特別是
矽酸鹽細菌在喀斯特環境中農業上的利用。
The fixing performance of teos / tbb blend sol and the effect of fixing conditions were discussed
討論了正
矽酸乙酯溶膠和鈦
酸丁酯溶膠混合溶膠的固色效果及固色工藝對固色效果的影響。
Rapid chemical analysis, instrumental analysis, trace element determination, microarea analysis and preparation of standard reference materials are involved. 224 references are cited
其中包括化學快速分析、儀器分析、痕量元素分析、微區分析和
矽酸鹽標準質研製。
Adding bleach at the beginning of the wash cycle with the detergent destroys some detergent ingredients ( fwas, enzymes )
使用過氧化氫時最好與偏
矽酸鈉並用,因為可以得到更安定的分解及漂白作用。
Salt is almost always treated with additives ( magnesium carbonate, magnesium oxide, calcium silicate ) to prevent it from absorbing moisture and ensure that it remains free flowing and granular
鹽幾乎總與添加劑(碳
酸鎂、氧化鎂、
矽酸鈣)處理來防止它吸入空氣中的濕氣和保護它仍然隨意的流動和顆粒狀。
Using teos and ti ( obu ) 4, etc. as modifying material, wood samples were nano modified by means of microwave technology, supersonic dispersing method and pressure penetrating method etc
摘要採用納米合成技術,以正
矽酸乙酯、鈦
酸丁酯等作為改性木材的前驅體,結合微波擴孔技術、超聲分散技術、壓力浸漬等方法,對木材進行了改性。
The technologies of silica, alumina, silicon and some fluoride compounds ' extraction from silicate and aluminosilicate rocks with the use of fluoride metallurgy were developed too
隨著氟化物冶金學的應用,從硅
酸鹽和鋁
矽酸鹽巖石中提取硅土、氧化鋁、硅和一些氟化合物的技術也逐漸被開發出來。
Products used for treatment of water intended for human consumption - expanded aluminosilicate
人類生活用水處理用製品.膨脹鋁
矽酸鹽
Calcium silicate fluxes
矽酸鈣焊劑
The development of silicate rock analysis over the last fifty years is reviewed in this paper
摘要評述了
矽酸鹽巖石分析在過去的50年中的主要進展。
Translucent sio2 sols are prepared from teos using nh3 ? h2o as catalyzer, polyelectrolyte / sio2 composite films are fabricated via electrostatic self - assembly multilayer method, and sio2 thin films are formed by heat - treating the polyelectrolyte / sio2 composite films to eliminate the polyelectrolyte and other components in composite films
摘要以氨水為催化劑,通過水解正
矽酸乙酯制備了乳白色二氧化
矽溶膠,採用靜電自組裝薄膜技術制備了聚電解質二氧化
矽復合薄膜,並通過熱處理制備了二氧化
矽薄膜。
Silicate bacteria may have wide uses in agriculture
摘要矽酸鹽細菌在農業生產中具有廣泛的應用前景。