The theoretic cycle capacity of limno2 is 286 mah g - 1, which has attracted a great deal of people to research. aim at the impurity of limno2 which was synthesized by the predecessor and the phase change during the electrochemical process, we try several methods, including wet moist chemical method, liquid state method, solide state method and liquid dipping method. at the same time, we study the synthesis of limnc > 2 in defferent atmosphere, for example air, argon and nitrogen
Limno _ 2具有286mah ? g ~ ( - 1 )的理論容量,這種高容量材料深受廣大研究者的關注,針對前人合成出的還有少量雜相和在電
化學循環過程中出現相變四川人學碩l :學位論文的問題,我們嘗試了幾種合成方法:
濕化學法、液相法、固相法和溶液浸漬法,並在不同氣氛:空氣、氮氣和氫氣中進行limnoz的合成研究。
Objective to solve the problem of additional airway resistance from oxygen supply tube and humidity liquid dropping tube in trachea pipe for patients with trachea dissection and intubatton along with the fixation of respiration detector
摘要目的:解決氣管切開和氣管插管病人給氧管、
濕化液滴管佔用氣管導管腔,致氣道阻力增加問題;同時解決呼吸監測探頭固定問題。
Standard test method for platinum in reforming catalysts by wet chemistry
濕化學法測定重整催
化劑中鉑的標準試驗方法
The result shows soil masses in surface layer reach saturation more easily under great rainfall intensity and long - lasting rainfall, at the same time, there are big infiltration depth and influence of wetting deformation
結果顯示,降雨強度越大、降雨持續時間越長,非飽和區土體含水率變
化也大,壩坡表層土體較容易達到飽和,並且降雨影響深度也大,對壩坡表面
濕化裂隙的產生及壩坡穩定性影響大。
Limnoa has been synthesized from self - synthesized material y - mn203 by wet moist chemical method under different sinter conditions in argon. the material was analyzed by xrd, sem. it is shown by xrd that material is limno2 single phase in 450 keeping 5h, then in 600 ? sintering 6h in argon
通過xrd物相分析發現:以自制原料y一mnzo3為錳源,在a :氣保護下,採用
濕化學法,在450下,預燒結5h研磨后再於600下燒結6h ,可以合成出單相limnoz 。
Thermodynamic performance experimental study and cooling number calculation of counter - flow spray humidifier in hat cycle
循環逆流式
濕化器的熱力性能實驗研究及冷卻數計算
In order to solve the problem of conglomeration of the nanoparticle and make the nanoparticle disperse evenly in the coatings. in this way, we could succeed in improving the effect of modification. we originally put forward the in - situ sythesising nanoparticle method to modify coatings. through this method, we made use of the technology of the wet chemical method and added the precursor of nanoparticle during the preparation of coatings
在此基礎上,為解決納米粉體的團聚問題,使納米粒子在塗料中有效分散與附聚,以實現納米粒子改性的有效性,原創性地提出了原位生成納米粒子改性塗料制備工藝的新思路:利用
濕化學方法制備納米材料的技術,在常規塗料制備的過程中加入所需引入納米粒子的先驅物,直接在顏填料微粒的表面原位合成相應的納米粒子。
In a word, the climate conditions of temperature increasing, precipitation increasing and evaporation decreasing benefit the climate change to the direction of wet and warm, benefit to decrease the loss of earth ' s surface humidity, benefit the instauration of plant cover, benefit to self - restraint headwaters, and can regulate the circumjacent climate better
總體而言,氣溫升高、降水增多、蒸發減少的氣候條件,有利於氣候向暖
濕化方向轉變,有利於減少地表水分的損失、恢復植被、涵養水源,能更好地調節周邊的氣候。
A different approach, named " two step growth approach " has been applied to fabricate an 8x8 photodiode array in the first time. the micro - processing procedures of this photodiode array including standard photolithography, a number of metallisation, wet - chemical etching and sic2 deposition for insulation were developed in this study
首次採用「兩步法」制備出了新穎的8 8zns肖特基光電二極體陣列,詳細研究並確定了制備該器件的標準光刻、金屬沉積、
濕化學腐蝕、 sio _ 2絕緣層沉積等一系列微電子處理工藝。
Study on wetting breakage of coarse - grained materials in triaxial test
粗粒料三軸
濕化顆粒破碎試驗研究
Apply with a cotton pad or directly to the skin. massage in gently and rinse with water or a cotton pad soaked in grape water
用
化妝棉,或者直接用手指臉上按摩,卸妝後用水清洗,或者用葡萄水浸
濕化妝棉擦掉。
We also put forward the technique of in - situ dispersion to modify coatings. the key of the technique was to add the nanoparticle sol prepared by the wet chemical method into coatings instead of dropping the nanoparticle powder prepared by the technics of filtration and calcinations in the coatings
同時提出在位分散法納米粒子改性塗料的制備技術:直接在塗料中引入採用
濕化學方法制備的納米粒子溶膠,而不是採用外加經過過濾和燒結等工藝制備的納米粉體。
Test study on wet deformation of expansive soil
膨脹土
濕化變形特性的試驗研究
Experimental study of a humidifying process in a counter - flow spray saturator
逆流噴霧式飽和器內
濕化過程的實驗研究
Experimental research on slaking deformation of high fill of wushan municipal sewage treatment plant
巫山縣污水處理廠高填方地基濕化變形試驗研究