溫下劑 的英文怎麼說
中文拼音 [wēnxiàjì]
溫下劑
英文
purgative recipes of warm nature-
The adduct is isolated by evaporating the solvent and any low-boiling concomitants at low temperatures of the order of about-100 to -20℃.
在-100-20的低溫下,將溶劑和低沸點成分蒸發掉而分離出加合物。Swelling and porosity of the propellant mixture became evident after 6 days at ambient temperature.
在室溫下放置6天後,推進劑混合物呈現膨脹和氣孔。Antifreeze agents are necessary in emulsion polymerizations carried out at low temperatures.
當在低溫下進行乳液聚合時需要加入抗凍劑。At 70c, dissolved time 60min, solvent ratio 125 : 50ml / g, the effect of benzene is best to separating phenanthrene of crude anthracene, phenanthrene content of crude anthracene is increased from 10. 3 % to 41. 7 %. at 120c, dissolved time 80min, the solvent ratio 75 : 30ml / g, the effect of dmf is best to separate carbazole from the compound of anthracene and carbazole, and in the high or common temperature when the compound is separated the solid content may be seen that anthracene content is almost. so, the common temperature is selected in the filtration of the experiment
苯在70 』 c 、溶解時間60min 、溶劑比125 : 5oml / g ,對分離粗蔥中菲的效果最好,可以使粗蔥中菲的含量從10 . 3 %提到41 . 7 % 。 dmf在120 』 c 、溶解時間somin 、溶劑比75 : 30ml / g時,對分離蔥和咔哇混合物中咔哇的效果最好,並且從高溫和低溫下分離后得到固體含量可以看出,在這兩個溫度下過濾得到蔥的含量差不多,因此,本實驗選擇在常溫下過濾。Two pack enamels will harden at room temperature. since the curing reaction stops when the hardener has completed reaction with the base resin, they do not go brittle with age
雙套瓷釉在室溫下也能硬化。硬化劑反應完成時修復反應也停止了,他們不會隨老化變的脆弱。The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted
以提高層合板復合材料的層間斷裂韌性(能量釋放率)為目標,採用中堿玻璃布為增強材料,對疊層后的玻璃布,採用凱芙拉縫合線、改進的鎖型縫合方法、不同的縫合工藝進行了縫合;基體採用的是不飽和樹脂,固化劑為過氧化甲乙酮,促進劑為環烷酸鈷液;在室溫下採用真空輔助rtm ( resigntransfermolding )成型固化方法,製作了不同縫合工藝的玻璃布增強復合材料層合板。If use jinke taed as activators, the application scope of sodium perborate will be widen by improving oxidation even at low temperature
如果相應地應用金科taed作活化劑,則更能在低溫下發揮氧化作用,大大提高了過硼酸鈉的應范圍。Lead hydrogen phosphite superfine powder, lead oxide phosphite hydrate superfine powder and tribasic lead sulfate superfine powder were prepared by micro - liquid - phase synthesis method ( mlps method ) in this paper. at room temperature, acetic acid worked as catalyst, lead oxide and phosphite or sulfate were blended thoroughly, then were ground for tens minutes
本文採用微液相合成法制備了亞磷酸鉛、二鹽基亞磷酸鉛和三鹽基硫酸鉛超細粉末,以氧化鉛和亞磷酸或硫酸為原料,以醋酸為催化劑,在室溫下充分混合、研磨幾十分鐘,乾燥后即可得到產物。Aim of this study was to meet the need for development of tribological parts in pumps. at room temperature tribological properties of different sliding pairs of silicon carbide and alumina - based ceramics were tested using a laboratory tribometer in the ring - on - plate geometry under reciprocating sliding linear contact in different media, such as distilled water, aggressive media and air
本文針對目前泵用摩擦零部件材料發展的需要,在實驗室摩擦磨損試驗機上研究了按環/塊線接觸方式作往復運動條件下的碳化硅和氧化鋁基陶瓷材料摩擦副在水、化學腐蝕性介質作潤滑劑和無潤滑時室溫下的摩擦磨損特性。The composite has excellent performance of water retaining, that the adsorbed water of 85 % is retained after being dried 10 days at the room temperature, and the adsorbed water of 45 % is retained after being dried 24 hours at 60 the factors influencing on water absorbency for the superabsorbent composite such as the kinds and concentration of starch, clay, crosslinker, initiator, the external salt solution and hydrolysis degree are investigated in this paper
該超吸水性復合材料在室溫下乾燥10天後的保水率為85 ,在60 2條件下加熱24小時后的保水率為45 。本文較詳盡地探討了超吸水性復合材料的合成條件,並系統地研究了影響超吸水復合材料吸水倍率的各種因素。例如:粘土的種類及粘土的用量、澱粉的種類及澱粉的用量、交聯劑的用量、引發劑的用量、水解度(氫氧化鈉的用量) 、水解時間、外部鹽溶液的種類及濃度等條件。While still not evidenced in our experiment, liquid - phase doping of ammonium molybdate solution has been broadly agreed to be able to significantly increase the yield of swnts. we have developed another doping method, solid - phase doping of metal molybdenum at elevated temperature, and discovered that sol - gel prepared catalyst with such doping can be used to grow multi - wall carbon nanotube bundles in a very large scale
對催化劑進行摻鉬處理表明,它可顯著提高催化劑催化裂解甲烷合成納米碳管的能力:作者在高溫下進行了催化劑摻入金屬鉬的實驗,得到了一種性能優異的催化劑,以此制備的多壁納米碳管的呈束狀分佈,所得的粗產物與催化劑之間的重量比達15倍以上。A differential fixed - bed reactor was employed to study the reaction between iron blast furnace slag ( bfs ) / hydrated lime ( hl ) sorbent and so2 under conditions similar to those in the bag filters of a spray - drying flue gas desulfurization system
摘要本研究以微分固定床反應器,在模擬噴霧乾燥除硫系統中的袋式過濾器的條件下,探討爐石/氫氧化鈣吸收劑與二氧化硫于低溫下之反應動力學模式。In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4Under alkaline conditions, one mole of taed reacts with two moles of the perhydroxyl anion to form one mole of daed and two moles of peracetate anion. its by - product daed is non - toxic, non - sensitizing, and biodegrades into carbon dioxide, water, ammonia and nitrate
在水堿性條件下, 1摩爾taed與2摩爾全氫化氧化物陰離子反應生成1摩爾daed和2摩爾過乙酸陰離子,過乙酸陰離子可促使漂白劑在低溫下發生作用並且也可抗微生物。Textile floor coverings - burning behavior - tablet test at ambient temperature
鋪地紡織品燃燒性能在室溫下片劑試驗The sulfur content in iron ores was determined by coulometry. under the actionof catalyst, the sulfur in iron ores was released in the way of so2 at hightemperature. h2so3 was titrated by iodine formed in the process ofelectrolytic action. the method has the characteristics of high accuracy and largemeasurement range
採用庫侖滴定法測定鐵礦石中的硫含量,利用智能測硫儀,在催化劑作用下,使鐵礦石中的硫在高溫下以so2形式釋放出來,用電解生成的碘滴定h2so3 ,該方法準確度好,測量范圍寬。The results showed that hydrothermal cracking occurred while injecting steam, and the catalyst had catalytic activity for hydrothermal cracking of heavy oil at higher temperature ; viscosity and average molecular weight of heavy oil was thus lowered
實驗結果表明,在注入蒸汽的條件下,遼河稠油可以發生水熱裂解反應,高溫下催化劑對水熱裂解反應具有催化作用。Test method for strength properties of adhesives in shear by tension loading at elevated temperatures metal - to - metal
高溫下用拉力負荷法測定金屬之間膠粘劑剪切強度的試驗方法On this condition, based on the experimental results gotten by the microwave absorption dielectric - spectrum measure technique, the photographic process at room temperature in agcl cubic microcrystals doped with k4fe ( cn ) 6 is simulated. through the optimization of simulating parameters, not only the cross - section and trap depth of the shallow electron trap induced by the dopant, but also the optimal doping amount is obtained
在此基礎上,以微波吸收介電譜檢測技術的實驗結果為依據,對摻有k _ 4fe ( cn ) _ 6的agcl立方體微晶在室溫下的曝光過程進行了模擬,通過調節模擬參數,不但計算出由摻雜劑引入的淺電子陷阱的俘獲截面和陷阱深度,而且得到了這種摻雜乳劑的最佳摻雜濃度。Simultaneously how to reduce the quantity consumed by the system of refrigerating is also a forward question for study in thermal - physical engineering. at the basis of analyzing thoroughly the stirling - cycle, the thesis puts forward a new refrigerating cycle in house - hold refrigerator, which adopts the two - state, two - component working fluid
本文在對stirling循環深入分析的基礎上,利用其定溫吸熱、放熱的優點,同時採用相變工質作為製冷劑,利用其在低溫下氣化吸熱製冷單位質量工質的製冷量大的特點,提出了採用雙相雙組份工作介質的新型家用冰箱的製冷循環。分享友人