磨變作用 的英文怎麼說
中文拼音 [móbiànzuòyòng]
磨變作用
英文
mylonization-
The concrete with the a 28 days compressive strength of c60 can be produced by using suitably pulverulent coal - fired ash, the higher the quantity of pulverlent coal - fired ash mixed in concrete with 10 % - 20 % is, the higher the strength of concrete is. then, we carry out the studies on the technics properties that reflect the comprehensive properties of concrete. we find that the separating and excreting water of the concrete can be avoided efficiently when the pulverulent coal - fired ash and superplasticizer are used suitably, the higher the quantity ration of coal - fired ash and super plasticizer are, the higher the caving degree of the concrete is
在上述研究基礎上,對摻細化粉煤灰后混凝土的強度變化規律進行了分析研究,在適當配合比及高效減水劑的作用下,摻一定數量的磨細粉煤灰,在28天齡期可以配製出抗壓強度高於c60的粉煤狄高強混凝土;當磨細粉煤灰以10 - - 20不同的摻量分別摻入粉煤灰中時,粉煤灰高強混凝土的強度隨摻量的增大,各齡期強度均逐漸降低;在摻入8硅灰+ 10粉煤灰可使高強混凝土的各齡期強度都有很大增加,當單摻8粉煤灰時,混凝土的後期強度增加較快;粉煤灰混凝土必須加入高效減水劑遼十l彬技術人學碩十學位論文後j 」能達到高強的目的。Wear - resistant and crinkle - resistant high quality buffalo combined with suede as upper. rubber toecap ensures its wearability and unyielding, more protective
採用牛皮與反毛皮的結合,鞋面耐磨,防皺。鞋頭部分採用橡膠材料,耐磨且不易變型,具有保護作用。The unstable solid solution would disintegrate and transform into carbide phases in these systems of sisocso, tisocso and zrsocso, based on the increase of free energy introduced by the effect mechanical alloying. for the system of wsocso, the solid solution had not transformed into tungsten carbides but an amorphous phase, which was different from those systems. the exist of fe in these experiments, which came from the abrasion of ball - milling tool because of the higher hardness of w and w - c solid solution, would induce the crystalline - to - amorphous phase transformation during milling
C50球磨體系中,繼續球磨時,不穩定的固溶體在機械合金化作用下,由於體系能量提高,會發生分解相變,從而可以形成碳化物;對于w扣c50球磨體系, w ? c固溶體具有較高的硬度,磨削不銹鋼質的球磨介質和球磨容器,而引入雜質,其中fe會促使固溶體向非晶相轉變。For example, the shortcomings of the family - owned magnetic material enterprise located in north hot spring town are like theses : firstly, family members occupy the major positions, so blood relationship replace management and this makes the enterprises a mess
家族制管理因其具有心理契約成本低,決策迅速等優勢在民營企業的創業初期曾發揮了不可磨滅的作用,但隨著社會經濟環境的變化,家族制管理的弊端日益明顯並成為民營企業發展壯大的桎梏。The results show that the process of concrete sawing with diamond tools is that the impact of diamond sawblade induces the rupture and break of concrete surface layer during high speed sawing ; cement and carpolite become micro chips by the cutting of diamond grits ; steel fiber and steel wire are broken by plastic deformation or pulled out by forces
結果表明:金剛石鋸片鋸切混凝土的過程表現為高速據切過程中金剛石據片的沖擊引起混凝土表層斷裂破碎,水泥石子等在切削區內層受到金剛石磨粒的微切削作用形成粉屑,以及鋼纖維和鋼絲發生金屬塑性變形斷裂或被拔拉而斷裂的過程。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。Ion objective : to investigate effect of nd : yag laser irradiating root canals on periapical tissue. methods : three minipigs were used in this study, deciduous premolars were opened, pulps were extracted, root canals were enlarged, then irradiated with nd : yag laser 30s and filled conventionally. the changes of periapical tissue were observed after 1, 3, 7 and 15 days. results : after one day, periapical tissue showed enlargement and engorgement of blood vessel and a few of leukocyte, the changes were more serious than in control. after 3 and 7 days, there were minor reactions in periapical tissue and same as the control group. after 15 days, periapical membrance in most specimens was normal. slight inflammatory reaction was found in the test group as same as in control group. conclusion : there was little damage to periapical tissue with the laser irradiation
目的:觀察激光在根管內照射后對根尖周組織的作用.方法:選3隻小型豬,全麻下將乳前磨牙開髓、抽髓,根管擴大后,激光照射30秒,做常規根管充填.對照組為常規根管充填. 1天、 3天、 7天和15天後觀察根尖周組織的變化.結果:激光照射后1天,根周膜血管充血、輕度炎癥,對照組只有根尖周膜充血.激光組組織反應比對照組稍重.激光照射后3天和7天,少數病例根周組織有輕度的刺激與對照組的病理表現相近.激光照射后15天部分標本根周膜正常,部分標本有輕度炎癥反應,與對照組結果基本相似.結論:本激光照射條件對根尖周組織沒有明顯損傷作用,可供臨床應用時參考On the base of milling ball interaction during milling process, the powder height of each collision can be calculated. if the impact of milling ball takes as hertz elastic collision, the maximum real strain and the maximum tangential strain are obtained as follows, e, . , ln [ h, / ( h0 ? vrcos6 / 2 ) ] = vrsin6 / h0 ? / q, t2rt2 / 2om ~ h, j where s, p, v are maximum real strain, the maximum tangential strain, friction coefficient and the velocity of milling ball
對球磨過程中磨球相互作用作了一些假設后,可以計算出每次碰撞所獲得粉末體高度值;將磨球的碰撞作為hertz彈性碰撞,碰撞時的速度分解為法向速度和切向速度得出粉末的最大真應變和最大切應變為湖南大學材料物理與化學專業碩士論文r 。The commonly seen gold - carrying minerals in hard - to - leach gold ores - pyrite and arsonpyrite were used in the experiment. through sweep electron microscope ( sem ) and energy dispersive x - ray spectrometer ( edx ), the change law of the shape and appearance characteristics of the gold - carrying minerals under the mechanical activation function of drum grinding and other activation function were studied so as to provide a reliable basis for the study on the mechanism of the effect of mechanical activiation on the intensification of leaching process
採用難浸金礦常見的載金礦物? ?黃鐵礦和毒砂做試驗,通過掃描電鏡( sem )和x射線能譜儀( edx )研究了在滾筒磨的機械活化作用和不同的活化條件下載金礦物形貌特徵的變化規律,為弄清機械活化作用強化浸出過程的機理提供了可靠的研究依據。Electromagnetic heat is generated from the coils that are transmitted with high frequency electric currents, when magnetic metal cookware is used, high magnetic frequencies are generated, thereby creating huge volumes of whirling fluids, which is transformed from electric power into heat power
電磁爐具熱源的產生是利用高頻電流通過一組線圈,形成高頻交變磁場,磁場的磁力線穿過鐵磁材料的金屬鍋,作用於鍋體內的粒子,使其劇烈運動、磨擦,即時產生極高的溫度場,將電能轉化成熱能。The boundary of ferrite has been clarified and fined by adding re into crsomo. the intergranular corrosion induced by solution chromium decreasing can be restrained for nb, v, ti combing carbon in the steel. the wear resistance of stainless steel can be increased for the precipitation of microalloyed carbides
其中,稀土能夠凈化鐵索體晶界,並起到變質劑的作用,細化鐵素體晶粒,改善不銹鋼的韌性;鈮、釩、鈦能夠與鋼中的碳結合,減少固溶鉻的損失,從而避免晶間腐蝕,同時細小微合金碳化物的沉澱析出可提高不銹鋼的耐磨性。The infrared analysis show that the a small quantity of transition of crystal form from a into y of nylon and its composites happen during dry friction because of the high temperature and strong sheering strength
紅外分析顯示在干摩擦磨損過程中,磨損表面在高溫及強剪切力的作用下,發生了少量晶型到晶型的轉變。The paper validates and perfects the traditional wear theory by using the ferrography, at the same time, combining the practice, mechanical embedded minor particles, scoring, plastic distortion, shaping effect and fatigue effect are analyzed and the results show that the vehicle ' s malfunction can be predicted
文章作者將鐵譜磨粒分析技術運用在汽車維修行業,驗證和完善了傳統磨損理論,並結合實踐,對微凸體機械嵌合、膠合,塑料變形及刨削作用和疲勞作用進行了分析,證明汽車機械故障可以預測,且可以防止重大事故的發生。There exist large stress, intensive scratch, damage and pollution of ion in wafer process, so it is necessary to improve mechanism of slicing and lapping by changing single mechanical function to equilibrium chemical and mechanical function for small damage and low stress. reducing damage and stress and enhancing quality and efficiency of product result in a base of followed process so as to improve wafer process and enhance finished product ratio of whole wafer process
目前加工過程中存在應力過大,造成表面劃傷嚴重,容易產生破損,離子沾污的問題,因而必須改善切削、研磨機理,把單一的機械作用變為均勻穩定的化學機械作用,以達到淺損傷、低應力的目的,有效的減少破損層和應力的累積,提高產品質量和加工的效率。Wear - resistant and cinkle - resistant nubuck as upper. mesh is breathable, lightweight, ripstop and wear - resistant. rubber toecap is wear - resistant, unyielding and protective. laser carved design on upper
採用優質牛皮,耐磨,防皺。鞋面網布採用透氣性好,輕量化、抗撕裂、耐磨材料。鞋頭部分採用橡膠材料,耐磨且不易變型,具有保護作用。鞋身採用激光雕刻工藝。The crystal pvc was crashed by jet - mill to prepare nanocrystal pvc. the crash, degradation and the change of morphology and crystalline structure changes of pvc was studied by ftir, sem, dsc, tem
用氣流磨對結晶pvc進行粉碎,制備了納米晶pvc ,研究了在高速氣流作用下pvc的破碎降解、顆粒形態和微晶結構變化。The crystal pvc is crashed by jet - mill to prepare nanocrystal pvc. the crash, degradation and the change of morphology and crystalline structure changes of pvc is studied by ftir, sem, dsc, tem. the self - plasticization of nanocrystal pvc is studied, too
用氣流磨對結晶pvc進行粉碎,制備了納米晶pvc ,研究了在高速氣流作用下pvc的破碎降解、顆粒形態和微晶結構變化,研究了納米晶pvc對pvc的增塑作用。The performance of hydraulic transmission fluid no. 8, hyper automatic transmission fluid ( atf ), continuously variable transmission fluid ( cvtf ) were compared. the compared results are the reference of chosing the right fluid in cvt. the mechanism of znddp additive how effects on the performance of cvtf is investigated by x - ray photoelectron spectroscopy ( xps )
( 4 )研究了cvt對油品的品質需求,並進行了8號液力傳動油、 atf油和cvtf油的理化指標和摩擦性能對比測試,實驗結果為cvt變速器油的選用提供了參考;用x -射線光電子能譜儀對znddp添加劑的作用機理進行了研究,通過四球磨斑實驗,驗證了znddp添加劑對自動變速器油的改性作用,為國內cvtf的研製指明了方向。In this paper, the microstructure changes of polypropylene induced by a complex combination of shearing, compression, stretching and friction actions during single pan - milling or co - milling with iron, uhmwpe and waste tire rubber chips ( wtr ) were studied and the stress induced effects were revealed. the structure and morphological development of iron particulates and wtr during pan - milling and co - milling with polypropylene were also characterized. the properties of pp / fe, pp / wtr and pp / wtr / fe composites prepared through pan - milling techniques were investigated
本文利用磨盤型力化學反應器對被碾磨材料施加強大的剪切、環向應力、擠壓、拉伸和摩擦作用,研究聚丙烯碾磨和共碾磨粉碎過程微觀形態結構和性能的變化,以及聚合物在碾磨過程中呈現的力化學現象,並將其應用拓展至金屬、橡膠等體系,研究碾磨粉碎在聚丙烯鐵超微粉體的制備、高交聯密度彈性材料廢舊輪胎橡膠( wtr )的超微粉碎,以及pp fe , pp wtr材料的性能與碾磨作用的關系。The process and mechanisms of slipping, exfoliation to layered graphite and compounding with polypropylene ( pp ) on nano - scale were systemically studied. the effects of shearing force field offered by pan - milling and confined environment of the exfoliated graphite on the microstructure of polypropylene, the electrical and thermal conductivities of the nanocomposites were also investigated. based on the experimental results, a modified electrical conductive model as well as thermal conductive model for polymer - based composites was proposed
利用層狀無機物(如石墨)的弱層間結構和聚合物的粘彈性特點,在磨盤碾磨剪切力場作用下,通過摩擦和拉伸形變錯位、擠壓嵌合、拉伸滑移、剪切剝離與粉碎和混合分散等過程,實現層狀無機物層間剝離和與聚合物的納米復合。分享友人