等粒變晶 的英文怎麼說
中文拼音 [děnglìbiànjīng]
等粒變晶
英文
homeoblast-
The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated
過程機制為:擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀等軸晶;隨溫度升高和保溫時間延長,等軸晶發生局部熔化,液固界面的曲率過熱使晶粒外形向球狀轉變。Ill 2, xi ' an university of technology 2. at the same holding temperature, when the holding time increased, the equal - area - circle diameter trended to uniform, and the distribution of the roundness approached to gaussian distribution
2 、相同等溫溫度條件下,改變等溫時間,等積圓直徑的分佈隨時間的延長趨向均勻,晶粒球化度接近於正態分佈。3. at the same holding time, when the holding temperature changed, the number of the long equal - area - circle diameter grain increased, and the average of the equal - area - circle diameter lengthened, the average of the roundness heightened
3 、相同保溫時間條件下,改變等溫溫度,等積圓直徑大的晶粒隨溫度的升高而增加,球狀化程度高的晶粒數增多,平均等積圓直徑和平均球化度同時增大。Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest
文摘:在緊束縛近似下,只計及最近鄰的矩陣元,採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響,發現電子能譜發生了移動,化學勢不等於格點原子能級,各格點的電子密度也發生了變化,其中以表面格點的電子密度變化最大。This paper emphasizes the effect of the dissolution of aluminosilicate during diagenesis may provide more radiogenic strontium which would result in a high content of strontium in carbonate rocks. so we should avoid the vein of carbonate and select the samples with less terrigenous clastic, less grain content and lacking calcite cementation collected as analysis samples. the microcrystalline limestone and micro - to fine - crystalline dolomite are rather fairly whole rock samples
作者還強調了成巖過程中由長石等鋁硅酸鹽溶解提供殼源sr所造成的碳酸鹽礦物成巖蝕變可能表現為較高的sr含量;因此,在用全巖樣品進行旨在反映海水組成的各種分析時,應迴避碳酸鹽脈,選擇含陸源碎屑低、顆粒數量少、缺乏方解石膠結物的樣品,微晶灰巖或微?粉晶白雲巖是較為理想的全巖樣品。Aplitic varieties are the rule, with the grain size ranging from medium to pegmatitic.
長英質的變種照例具有中等至偉晶的粒度。The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of
對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增長,碳化層的晶粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程度時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的晶粒取向不明顯,隨著碳化溫度的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生長的碳化層的晶粒取向一致性明顯更好。The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas
對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、生理生化和遺傳學特性進行的比較研究的結果表明,突變株bmb171不形成伴胞晶體,但在個體形態與菌落特徵、對紅黴素等10種抗生素的敏感性、對葡萄糖等19種碳源和谷氨酸等12種氮源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。At the same time because of the insolubility of calcium phosphate, topical extortionate concentration of calcium ions and phosphate ions, the vary of ph value and the effect of osteoblasts and proteins in oregano - bone matrix, the calcium ions and phosphate ions gave birth to crystal nucleus and came into being osteo - salt deposition, furthermore to form mineralized bone. finally, at the host osseous lamella far away the implanting area we found some material granules
藉助于掃描電鏡等測試手段,實驗發現隨著植入時間的延長,材料區域的面積不斷縮小,晶體顆粒間的頸部連接斷開,顆粒的結構和形貌發生了較大的變化,且材料的內部出現了生命元素碳和硫等。Experimental results show that the order of fluoride salt being put in and flux type also influences the phases constitution, morphology, distribution and absorbent rate of ti and b. the experiments on remelting master alloys and al or al alloys at a certain temperature range show that the phases constitution and size have a remarkable heredity
試驗結果表明,不同的氟鹽加入順序和熔劑種類的不同也直接影響著中間合金中化合物的相組成、形態、分佈以及中間合金中ti 、 b的實收率等。在用純鈦顆粒法制備中間合金時,熔煉溫度的改變只能影響tial _ 3晶體的尺寸大小,而無法改變其形態。The microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after five passes. the ferrite matrix is homogeneous grains, average grain size is - 0. 3 m. 2
變形五道次后,片層狀的珠光體組織演變成了超細的滲碳體顆粒均勻分佈於鐵素體基體的組織,鐵素體基體為均勻的等軸晶,平均晶粒大小為0 . 3 m 。The average of the equal - area - circle diameter was changed from long to short and then to long, to short at last, as a wave. the average of the roundness was changed from low to high and to low again, as para - curve
平均等積圓直徑由大變小再變大再變小,呈波浪狀變化;而晶粒平均球化度則由小變大再變小,呈拋物線狀。Spiral gate is a powder, grain materials, particulate matter and the small volume of material throughput of the main control equipment widely used in the metallurgy, mining, building materials, food, chemical and other industries control the rapid flow changes or cut off
螺旋閘門是一種粉料、晶粒料、顆粒料及小塊物料的流量或輸送量的主要控制設備,廣泛使用在冶金、礦山、建材、糧食、化工等行業控制流量變化或迅速切斷。The factors affecting the in - plane thermal conductivity of thin films discussed include the mass of particles, the well depth, and the lattice constant, etc
從粒子質量、勢阱深度、晶格常數的變化等方面討論了其對薄膜兩種材料的切向導熱系數的影響。The results of pure cu show ecap can produce bulk material of submicrometer level indeed. as the number of passes increases, the initial structure of pure cu has been refined largely. after six passes, i. e. the equivalent true strain of 4 ~ 5, the grain size gradually becomes stable and uniform
對純銅室溫ecap晶粒超細化行為及組織穩定性的研究表明: ecap技術的確能制備出亞微米級的塊體材料,隨著ecap道次的增加,純銅的組織被大大細化, ecap六道次(即等效真應變4 5 )后,晶粒尺寸趨于穩定,硬度基本飽和。The ultra - low carbon steel ( 0. 001 % c ) is subject to a strain of ~ 10 by utilizing equal channel angular pressing of ten passes with route c at room temperature. the grain size is refined to ~ 0. 3m and the resultant steel exhibited the yield strength over 678mpa with a reasonable good elongation of 47. 4 %
本研究成功實現了室溫下超低碳鋼c方式下的ecap變形,累計等效真應變達到10 ,獲得了晶粒尺寸為0 . 3 m超細晶試樣,其屈服強度達678mpa ,是普通熱軋態的兩倍多,並保持高的塑性。3. simpler microstructure and mechanical properties classification criterions have been established. if f1 3. 8, the grains must be large grains ; if 0 f1 < 3. 8, the grains must be medium grains ; if f1 < 0, the grains must be fine grains
由新的表徵變量建立了更簡單明確的顯微結構和力學性能分類準則:當f _ 1 3 . 8 ,則為粗大晶粒組織;當0 f _ 1 3 . 8 ,則為中等晶粒組織;當f _ 1 0 ,則為細晶粒組織。Abstract : the crystal structures obtained by static solidification and vibration solidification were compared. it was showed that, in the case of vibration solidification, the orientation growth of the columnar crystal was not obvious, the equiaxial crystal appeared more early. the grains of both types of crystals were quite fine, hardness in the full section was relatively high, and the hardness distribution was uniform. in the former case, the solute segregation in dendritical austenite more severe, and there were lumps of distortion inclusion
文摘:對球鐵金屬型靜凝固與振動凝固的結晶組織對比表明:後者柱狀晶方向性生長較弱,等軸晶出現較早,且兩者的晶粒均較細,全斷面硬度較高且分佈均勻;前者枝晶奧氏體內溶質偏析大,有畸變夾雜團塊。The key problem of magnesium application is its poor forming ability, so it is very important to find an effective grain refiner for magnesium alloys
實踐證明,細小等軸的晶粒組織能改善其塑性變形能力,因此找到一種實用有效的工藝來細化鎂合金晶粒就顯得非常重要。Abstract : the influence of re - addition way and sintering temperature on such physical and chemical characteristics as the ability of enameling glaze has been investigated in this paper. and the research has shown that the structure of glaze will be transformed from amorphous state into crystalline state and the grains will be refined while the sintering temperature and re content are increased
文摘:本文研究了在瓷釉中加入稀土的方式、燒結溫度對瓷釉的塗搪性等物理性能以及化學性能的影響,並發現,隨著燒結溫度和稀土含量的增加,瓷層結構由非晶態向晶態轉變,晶粒細化。分享友人