熱化學處理 的英文怎麼說
中文拼音 [rèhuàxuéchǔlǐ]
熱化學處理
英文
heat chemical treatment-
In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv
理化學研究表明,該病毒為rna病毒,對氯仿、乙醚敏感;胰酶試驗中,經37 、 1小時處理的病毒,仍然能夠在貓源細胞fcwf細胞上生長,並且毒力基本保持不變;耐酸性試驗中,病毒分別在ph5 . 0和ph3 . 0經37作用2小時,毒力僅下降一個滴度;耐熱性試驗中,該病毒在恆定溫度50 ,設定不同時間,從5分鐘到150分鐘,毒力均有不同程度下降,其中, 50作用30分鐘,病毒平均滴度下降2個單位; 50 , 60分鐘, cpe消失;恆定時間1小時,設定不同溫度( 50 - 60 - 70 - 80 ) ,病毒在細胞上完全喪失增殖能力, cpe消失。生物學試驗,利用實驗室現有條件,選擇不同的細胞系對該病毒進行培養,發現該病毒對貓源細胞fcwf最敏感; mdck細胞次之; f81細胞經多次傳代,亦可出現cpe ;而vero細胞則不敏感。血凝試驗表明,該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。The structure evolution and reaction mechanism of silicon - iron composite powders treated at the temperature ranging from 700 c to 1200 c respectively were carefully investigated through xrd, sem, epma, dsc. it was found that the chemical formula, fe + si - fe ( si ) + fe3si ( si ), controls the reaction process, and the reaction mechanism of powder homogenization was clarified
通過利用xrd , sem , epma , dsc等多種測試手段,詳細研究了鐵硅復合粉末帶材在700 1200的熱處理溫度條件下的反應狀況及結構變化,明確了反應過程中的化學方程式: fe + si fe ( si ) + fe _ 3si ( si ) ,並解釋了各個熱處理溫度范圍內,鐵硅粉末均一化的反應機理。The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite
採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。The difference of reactive mechanisminduced the difference of their structure. v _ 2o _ 5 product prepared by melting - cooling showed more notable undefined structure. after heat - treating under300, particle size becomes smaller, and aggregate to globate grain, showesbetter electrochemical performance at low charge - discharge rate
熔融淬冷法合成的樣品其無定型結構更明顯,前驅體經過300熱處理后,材料的粒徑變細,團聚成球狀的顆粒,球狀特徵更顯著,在低倍率下具有較好的電化學性能。Scientific trash - burning treatment has the advantages of jess land occupied, easy choice of location, less time consumption, obvious decrement, complete innocuity and the remaining heat to be recycled for heating
摘要科學焚燒處理垃圾法具有佔地少,場地易選擇,時間短,減量化顯著,無害化徹底以及回收余熱供發電供熱等優點。Influence of heat treatment on intercrystalline corrosion and spalling corrosion of 1420al - li alloy
熱處理對1420鋁鋰合金化學鍍鎳的影響There are the production lines established of intermediate - frequency melting, silicasol shuck, precision casting and metal ceramic, and 250 universal devices suck asvacuum melting electric furnaces, high - temperature and intermediate - temperature heat treatment electric furnaces, digitai - control lathes, milling and drilling machines, coreless millers, spherical surface millers, standing milling machines and so on, lt has established the central measuring roomm physicallab, chemical lab, metallic phase lab, crack detection test lab, seat ring lab, rocker lab and ducgt trestle lab, our esported gas engine valve seat to america was rewarded the second prize in terms of sichuan high - quality product
建有中頻熔煉真空熔煉硅膠溶模精密鑄造粉末冶金生產線。有中頻電爐真空熔練電爐高中溫熱處理電爐數控車床鉆銑床無芯磨外園磨立磨等通用設備250臺套。有中心計量室物理化學金相探傷檢測及座圈搖臂導管臺架實驗室。The dependence of oxygen precipitation and induced - defects in heavily as - doped silicon on heat treatment process was studied by annealing and ig process, chemical etching, scanning electron micrograph ( sem ) and transmission electron microscopy ( tem ). a developed ig technique was suggested and the mechanism of the influence of as on oxygen precipitation formation in heavily as - doped silicon was discussed
本文通過化學腐蝕、光學顯微鏡、掃描電鏡( sem ) 、透射電境( tem )等分析技術,對重摻砷硅單晶在單步退火工藝和內吸雜退火工藝中氧沉澱及誘生缺陷的形態,形核與熱處理溫度、時間的關系等進行了研究。The temperature effect which has been calculated is taken as " thermal load " forced on the body, then such thermal stress is settled as general elasticity mechanics question ; secondly, the thermal stress is taken as " surface force " forced on the body, and the new system stiffness is formed which include the extra stiffness matrix, then it changes the nature frequency of the structure
首先,這篇論文介紹溫度場和熱應力場的有限元方法,建立了三維熱傳導模型計算有溫度場產生的熱應力,計算熱應力時運用了一種轉化思維:將溫度處理為「溫度載荷」 ,這樣就能用彈性力學問題的處理方法來求解熱應力。其次,將熱應力作為結構的「面內力」 ,而面內力產生附加的幾何剛度矩陣,改變了結構的剛度,影響了結構的固有頻率。The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind
研究結果表明, ( a )熱處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。Surface states and the topmost surface atoms of the batio3 thin films have been analyzed by x - ray photoelectron spectroscopy ( xps ) and angle - resolved x - ray photoelectron spectroscopy ( arxps ). the results show that the as - grown batio3 thin films have an enriched - bao nonstoichiometric surface layer which can be removed by ar + ion sputtering, and the atomic ratio of ba to ti decreases with increasing the depth of ar + ion sputtering
用x射線光電子能譜技術( xps )和角分辨x射線光電子能譜技術( arxps )研究了薄膜的表面化學態以及最頂層原子種類和分佈狀況,結果顯示在熱處理過程中薄膜表面形成一層富含bao的非計量鈦氧化物層,並且鋇-鈦原子濃度比隨著探測深度的增大而逐漸減小。Study on the wear resistance of three carburizing structural steel after different chemico - thermal treatment
三種滲碳結構鋼經不同化學熱處理后耐磨性的研究Gaas crystal is a kind of iii - v group compound semiconductor material with good electrical performance. the semiconductor devices and integrated circuit ( ic ) fabricated on gaas substrate have such advantages of hign - speed information processing that they have drawn the researcher ' s attention
Gaas晶體是一種電學性能優越的-族化合物半導體材料,以其為襯底製作的半導體器件及集成電路,由於具有信息處理速度快等優點而受到青睞,成為近年來研究的熱點。The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program
針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。Test method for physical - chemical properties of electrical carbon product. transverse strength
電炭製品熱處理化學性能試驗方法.抗折強度However, seed dormancy can be broken by a variety of physical treatment such as mechanical, temperature, stratification, hot and dry storage, radiation, ultrasonic waves, magnetic field etc
物理方法包括機械處理、溫度處理、低溫層積、干藏和乾熱處理、射線、超聲波處理和電場、磁場處理;化學處理包括激素處理、無機化學藥劑處理和有機化學藥物處理。It is natural graphite as outstanding films phosphorus chemical processing, heat treatment, the non - pressure processing from any binder pure graphite products
它是由天然磷片石墨經特出化學處理、熱處理、壓力加工而成的不含任何粘結劑的純石墨製品。Study on remains property of heavy metal in the bottom ashes from the pyrolysis and incineration of sludge
污泥熱化學處理過程中重金屬在底灰中的殘留特性研究The interior pipes of whirlpool baths that are not filtered or chemically treated, and non - maintained hot tubs, are prime areas for potentially infectious microbes to congregate and grow, moyes noted
莫耶斯博士指出,未經過濾或未經化學處理的渦流浴缸內管和非持續性熱按摩浴缸,是潛在傳染性微生物聚集和孳生的主要地方。分享友人