粗苯 的英文怎麼說
中文拼音 [cūběn]-
So benzene and dmf from the some solvents separate crude anthracene
因此，從這些溶劑中選出苯和dmf來進行分離粗蔥。The crude, wet benzoate (118 grams) was dissolved with reflux in 1, 400 ml methanol.
將粗製、濕的苯甲酸酯（118克）迴流著溶於1400毫升甲醇中。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。Steel wire tyre, bias tyre, natural rubber, butylbenzene tyre, butyronitrile tyre, butyl rubber, polybutadience rubber, epdm rubber and fluororubber can be crushed into rubber powder of 3 - 20 meshes and superfine sbr powder of 25 - 80 meshes
可將鋼絲輪胎、斜膠胎、天然膠、丁苯膠、丁晴膠、丁基膠、順丁膠、三元乙丙膠、氟橡膠等廢舊橡膠粉碎成3 - 20目的膠粉， 25 - 80目的粗細膠粉。Cuben recovery processing ; wholesale and retail : hardware ( excluding fire watches ), for electricity, chemical products ( excluding hazardous chemicals ), building materials, steel
粗苯回收加工；批發零售：五金（不含消防器材） ，交電，化工產品（不含化學危險品） ，建築材料，鋼材。Crude tar and crude benzole - terminology ; german version en 12302 : 2000
原焦油和粗苯.術語Crude tar and crude benzole - terminology
粗焦油和粗苯.術語The plant has a designed annual capacity of 1 million tonnes of coke, 36, 000 tonnes of tar, 12, 000 tonnes of benzene and 100, 000 tonnes of methanol
新廠設計每年可生產100萬噸焦炭3 . 6萬噸焦油1 . 2萬噸粗苯及10萬噸甲醇。The obtained data can be used in the simulation of the multistage decompression evaporation crystallization process
所得數據可以用於粗對苯二甲酸多級降壓蒸發結晶過程的模擬。Aminobenzenesulfonic acid super - plasticizer is selected though cement paste test, which be provided with high water - reducing property, low slump loss and good compatibility with cement. according to the request of super high early strength, admixture rf is obtained though tests to compare performances of different accelerators and admixtures. experimental research and analysis are carried out on coarse aggregate ' s grain - size effect and composite aggregate ' s bulk - density to take sensitivity of coarse aggregate into account
通過水泥凈漿試驗比較選擇了減水率高、坍落度損失小、與水泥適應性好的氨基苯磺酸鹽高效減水劑；針對超早強的性能要求，試驗比較了不同早強劑及早強性摻合料的性能表現，研製了早強性能顯著、與高效減水劑和水泥相容性較好的rf摻合料；考慮到修補混凝土對粗集料粒徑的敏感性，對粗集料粒徑效應及混合集料堆積密度進行試驗研究與分析；並對修補混凝土的抗折、抗壓、新老界面粘結強度以及抗凍性等進行了試驗研究。Abstract ： this assay initially discussed the researches and developments of syntheses and reforming of the tetratlycidyletyer of tetraphenol ethane applying to the copper clad laminate and simply explained its principles and functions of uv - ray shield and fluorescence
摘要：本文對四官能環氧樹脂[ 1 ， 1 ， 2 ， 2 ?四（對羥基苯基）乙烷四縮水甘油醚]的合成與改性及在覆銅板中的應用作了初步探討，並對其屏蔽紫外線與產生熒光的機理作用作粗淺的闡述。According to the analysis, such concolusion that seperation efficiency is increasing with pressure dropping can be drawn in ethyl - benzene / styrene packed tower
得出降低操作壓力，有利於提高粗苯乙烯塔分離效率的結論。The structures of phenylethanoid glycosides in plant extract of cistanches deserticola were successfully analyzed and identified by electrospray ionization multi - stage mass spectrometry ( esi - ms ( superscript n ) ) in negative mode, some interesting neutral losses were found, which helped us to confirm the structures of compounds without tedious separation and purification procedures, then the fragmentation mechanisms were explored
摘要採用電噴霧多級串聯質譜技術，對肉蓯蓉藥材粗提物中的苯乙醇苷類化合物的特徵質譜行為進行了系統研究，根據一些特徵的中性碎片丟失，提出了該類化合物的質譜裂解規律。Influence of process parameters on surface roughness in rapid manufacturing for expandable polystyrene pattern
聚苯乙烯快速成形加工參數對表面粗糙度的影響分享友人