除氟作用 的英文怎麼說
中文拼音 [chúfúzuòyòng]
除氟作用
英文
defluorination-
Response surface model of proper dosage and exposure time of a broad spectrum fumigant, sulfuryl fluoride
硫酰氟熏蒸除鼠的投藥劑量與作用時間的響應面模型研究According to the water supply source used the mining area in bai yun, based on the mechanism of coagulation and flocculation, the feasibility of removing fluoride from water with the method of coagulation and filtration is studied through experiment. and several key parameters which affect defluorination are also analyzed. by using polyaluminum chloride ( pac ) as coagulant, the optimum ranges of the operational parameters are obtained
本文根據白雲鄂博礦區飲用水的供水水源，以混凝機理為基礎，通過靜態和動態實驗，對用混凝過濾法除氟的可行性進行了研究，並對影響除氟因素的幾個主要參數進行實驗分析，得出了用堿式氯化鋁作為混凝劑進行實際運行時，參數最佳取值范圍。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。The teflon compensator, may call the corrugated pipe, also called theinflation festival, it may use for to eliminate the pipeline, thevessel either the equipment and so on the expansion and contractionwhich causes because of the climatic change or because otheroriginally thus cause heat expansion or displacement ; as one kind ofslow shaker
聚四氟乙烯補償器，可稱波紋管，又稱膨脹節，它可用來消除管道、容器或設備等因氣候變化而引起的伸縮或因其他原因而導致的熱膨脹或位移；作為一種緩振器。The discriminant functions mentioned above, except for the third one with a too small sample size, can be used in early discrimination of endemic fluorosis caused by exposure to coal burning, or in evaluation for the effectiveness of pharmaceutical therapy, with a power of 95 %
除第三類可能因樣本數太少判別效果稍差外，其他方程式有95 %的把握，可在地氟病區實際用於燃煤型地氟病早期判別、或作為藥物療效考核方法。Of village whether shanxi famous hot spring recuperate township, centre courtyard hot spring well surface temperature 46, includes more than ten kinds of minerals compositions such as radon, fluorine, hydrogen sulfide, silicate, it is tired to relieve, inspire enthusiasm, lubricate efficiency such as the skin, have good physiotherapy function on diabetes, hyperlipemia and many kinds of diseases
頓村又是山西著名的溫泉療養之鄉，中心院內溫泉井出水溫度46 ，含氡氟硫化氫酸鹽等十幾種礦物質成份，具有解除疲勞，振奮精神，潤滑肌膚等功效，對糖尿病高血脂多種疾病有良好的理療作用。In the present work, we have prepared titania thin films on different substrates from a ( nh4 ) 2tif6 aqueous solution upon addition of boric acid by liquid phase deposition ( lpd ) method under the ambient temperature
在本研究工作中，以六氟鈦酸銨和硼酸為原料，用液相沉積法（ lpd ）在不同的基片上制備二氧化鈦薄膜，並用液相甲基橙水溶液的降解脫色和氣相no的光解去除率評價二氧化鈦薄膜的光催化活性。After exposure to weedicide samples for 24h alone, four herbicides ( nc - 302d ( + ), frifluralin, sofit and 2 - ethyl - 4chloro sodium hydration ) can all give rise to the frequencies of mcn and ona ( p < 0. 05, or p < 0. 01 )
精禾草克、氟樂靈、掃?特， 2 -甲- 4氯鈉水劑4種除草劑單獨作用24h所誘發的泥鰍紅細胞微核細胞率間存在顯著差異。分享友人