熔點液的 的英文怎麼說
中文拼音 [róngdiǎnyède]
熔點液的
英文
mucolytic-
By the methods of epn ( electronic probing needle ) 、 sem and xed, the formation mechanisms of the wear - resistant composite layer are studied, the results indicated that, molten iron has infiltrated into the alloying layer under capillary action. this caused ht powder, whose fusion point is low relatively, to be surperheated and formed a surface composite layer
利用電子顯微鏡及x射線衍射等試驗方法,研究了復合層形成機理,研究表明,復合層是在毛細力作用下,鐵液被吸入合金層中,致使低熔點ht粉過熱熔化而形成的,並與母材是冶金結合。The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium
測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上,通過改進單參數margules方程並引入新的變量溫度,達到了將此方程用於固液平衡計算的目的。This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically
本文初選出部分有機相變貯能材料,採用步冷曲線法測定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇體系共11組體系的二元固液相平衡關系,繪制了這11組體系的t - x相圖,測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定;並對18烷-羧酸系列進行了熱力學理論預測。Rapid growth of “ mother dendrites ” in a given location of a melt at just below the liquidus temperature, that growth being the result of rapid heat extraction from the melt, or from recalescence
在特定的熔點,以低於液相線的溫度快速生成「母晶枝」 ,這是使熔融金屬或復輝快速散熱的結果。5, both melting point ( tm ) and isotropization temperature ( tj ) of all the three series compounds change regularly with the carbon numbers of the end alkoxy group increased. there is a gradual increase in smectic phase length and in the smectic - nemetic transition temperature. at the same time there is a gradual decrease in nemetic phase length
五,三個類型化合物16ia至16id 、 16ila至16lid 、 17ia至17id 、 17ila至17lid 、 18ia至18id和18ila至18lid的熔點和液晶態的清亮點均化合物分子中末端烷氧基增大逐漸降低;近晶相的溫度范圍和近晶相一向列相轉變溫度逐漸增大,而向列相的溫度范圍遞減。2, upon heating to their respective melting temperature, all the compounds above went to liquid crystal phase. the typical chiral smectic c phase lined texture and finger print texture, smectic fan texture and broken fan shaped texture, nematic schlieren texture schlieren texture and ball grandle texture, paramorphosis texture can be observed
實驗結果表明:一,化合物2 、 4 、 16 、 17和18均具有熱致液晶性;二,以上化合物加熱至各自的熔點以上都能形成液晶態,在液晶態可以觀察到新的席夫堿型液晶冠醚的合成與表徵手性近晶c相的層線織構和指紋織構。Strong negative 8 eu shows the granites are high evolved granite. ( 6 ) the tetrad effect of ree and the obvious fractionation between k - rb, y - ho, zr - hf, nb - ta, and sr - eu in the dajishan granites indicate that, the aqueous fluid pays an important role in the evolution of the granites, as well as indicate that there exist enough interaction between peraluminous melt and aqueous magmatic fluid. furthermore the fluorine played a very important role in this process
( 6 )大吉山花崗巖類稀士元素具有「四重效應」配分的特點以及微量元素對kjrb 、 y / ho 、 zr艦f以及nb / ta發生明顯分異,暗示在花崗巖巖漿的演化過程中,經歷了充分的流體一熔體作用,同時分異出大量富含f 、 w等礦化劑元素和成礦元素的熱液流體,致使鎢礦的形成。Water has higher melting point, boiling point, heat of vaporization, heat of fusion and surface tension than comparable hydrides such as hydrogen suiphide or ammonia or most liquids
與氫硫化物、氨水或其他大多數的液體相比,水具有較高的熔點、沸點、蒸發比熱、熔解熱和表面張力。The tm and tj of the compounds 17 ii synthesized from the higher tm amdb15c5 is higher than those of compounds 171. it was found that the changes of the liquid crystal phase have corresponding relationship to the photos of all three series of compounds separately
還發現由熔點高的二氨基二苯並15冠5合成的化合物17ii的熔點和液晶態的清亮點高於山熔點低的二氨基二苯並15冠5合成的化合物171的熔點和液晶態的清亮點。The introduction of lateral rods firstly induced the decrease of crystallization ability, which resulted in the descent of melting points. further increasing the lateral rods centent resulted in the increase of polymers " melting points. but it was interesting that the solvability was enhanced all the time
橫向液晶基元的引入首先導致聚合物結晶能力的下降,熔點降低;進一步增加橫向液晶基元的含量,聚合物的結晶能力又逐漸增加,熔點升高,但是,聚合物的溶解性始終變好。The cast characteristics of investment casting for aluminum alloy is introduced. technology of investment casting for aluminum alloy in conventional plaster mold and ceramic mold and modification, refining technique of cast aluminum alloy as well as filtration purification of liquid aluminum alloy are studied
介紹了鋁合金熔模鑄造的特點,鋁合金熔模鑄造常用的石膏型熔模鑄造和陶瓷型熔模鑄造工藝,鑄造鋁合金的精煉、變質、細化工藝和鋁合金液的過濾凈化技術。As well - known, there is an induced current on the surface when metal material is in the high frequency electromagnetic field, since tending to skin heating effect to make the temperature of metal material surface go up promptly, surface beginning melt when temperature reaches the melting point of metal, metal material is heated up continuously by surface to core till the metal droplet of melting
自懸浮定向流技術制備金屬納米微粒與一般的蒸發冷凝法有所不同,其原理是:金屬材料在高頻電磁場中產生表面感生電流,由於趨膚加熱效應使得金屬材料表面的溫度迅速升高,當溫度達到金屬的熔點時表面開始熔化,通過熱傳導作用金屬材料由表面到芯部不斷加熱直至熔化成金屬液滴。The influence of the temperature of durene solution, the height from airway nozzle to liquid level, the temperature and feed rate of air on the vapor phase concentration of durene were studied with the self - made adjustor
摘要利用自製的高熔點物料氣相濃度調控儀,研究了均四甲苯溶液的溫度、導氣管管口距離均四甲苯液面的高度、空氣進氣溫度和進料量等對均四甲苯氣相濃度的影響。The compounds with symmetric structure and different size crown ether rings, 16 and 18, have higher tm and tj than those of the compounds 17 with the asymmetric structure. the tm and ti of compounds 18 is higher than the compounds 16
含有對稱結構和不同大小冠醚環的化合物, 16和18 ,它們的熔點和液晶態的清亮點高於含有不對稱冠醚環的化合物17 ,且化合物18的熔點和液晶態的清亮點也高於化合物16的熔點和清亮點。High performance liquid chromatography ( hplc ) analysis shows that the purity of the synthesized product could amount to 98. 6 % and the total yield rate was 42. 5 % with the melting point of 161 ~ 164
運用高效液相色譜儀對合成的勞拉西泮進行了定性和純度分析,純度可達98 . 6 % ,熔點為161 ~ 164 ,反應總收率為42 . 5 % 。With the increase of the end - group ' s volume, the melting points and clearing points followed the same trend while the stability of liquid crystalline states became worse
隨著末端基脂肪鏈體積的增大,熔點和清亮點具有同樣的變化趨勢,液晶態的穩定性變差。The microstructure observation in the microfissures suggests the liquation microcrack results from grain boundary liquation by constitutional liquation of mc carbides and formation of continuous and or semi - continuous low melting liquid films, however, the occurrence of the solid state microcracks can be attributed to the effect of ultrafast transit thermal shock introduced by high energy electron beam
液化裂紋起源於mc碳化物的組份液化而形成的晶界連續或半連續的低熔點共晶液化膜,固相裂紋形成的則是高能電子束流的快速瞬態熱沖擊效應的直接結果。The liquid crystalline field of the polymers could be well kept at room temperature and the initial decomposition temperature of all the polymers was higher than the clearing point
所有聚合物的熔點都非常低,表明合成的一系列液晶聚合物非常容易進入液晶態,並且液晶場能夠很好地保存到室溫。The result of the xrd, sem and tem analysis show that the densification process was controlled by the mechanical of liquid phase sintering with the addition of mgo and ce02 as the sintering aid. the mgo - ceo2 would react with the sio2 which was on the surface of the silicon nitride particles to from silicate liquid phase to accelerate the densification
通過xrd 、 sem 、 tem等測試結果表明,由於同時添加了mgo和ceo _ 2作為助燒劑,其緻密化過程為液相燒結,由燒結助劑和si _ 3n _ 4表面的sio _ 2反應形成低熔點的硅酸鹽相,促進燒結緻密化,冷卻后,在晶界形成玻璃體。The tm and tj of compounds 18 ii and 16 ii which have the trans conformation is higher than those of compounds 18 i and 16 i having cis conformation
化合物16和18中,反式構型的化合物16ii和isll的熔點和液晶態的清亮點均高於順式構型的化合物161和isi 。分享友人