阻凝作用 的英文怎麼說
中文拼音 [zǔníngzuòyòng]
阻凝作用
英文
anti-coagulant action-
Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center
通過宏觀到微觀的分析,筆者認為,檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子,影響了二水石膏晶體的晶核長大過程;多聚磷酸鈉與鈣形成某種復鹽,對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響;骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附,使二水石膏晶體的成核和長大困難。Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less
其中,螺旋鉆孔壓灌混凝土成樁技術自研製以來,已在多項復合地基工程中進行了應用,較好地解決了軟弱地層成孔困難的問題,適應地質條件范圍廣,成樁速度較快,工期短、工效高;與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較,具有無振動、無污染、無噪音的優點;另外,壓入鉆桿內的混凝土為泵送免振混凝土,因此樁體質量易於保證;與泥漿護壁和干作業成孔工藝相比,螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高,樁的承載性能較好,復合地基的變形較小。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant
沉澱和上清液的不連續十二烷基硫酸鈉聚丙烯酰胺凝膠電泳( sds - page )和高效凝膠排阻層析分析結果表明,還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外,還會形成可溶的蛋白溶菌酶分子二聚體和三聚體,二聚體和三聚體主要是靠分子間二硫鍵的錯配連接而成的;可溶的蛋白溶菌酶分子二聚體之間通過非共價鍵相互作用而形成集聚體沉澱,而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。The stress condition ; overall stability ; effect of filling gravels into the hole of the block of the precast concrete interlocking blocks in the water flow during the flood period as well as the resistance parameters of the blocks are studied through experimental simulation ; in which a comprehensive analysis is made on the mechanical stability and the anti - erosion properties of the blocks, and then the requirement and the safety degree of the gravel filling are given
摘要通過試驗模擬研究了預制混凝土連鎖塊在洪水期水流中的受力狀況、整體穩定性、孔內填充碎石的作用及連鎖塊阻力參數,綜合分析了連鎖塊結構的力學穩定性和抗沖性,給出了碎石填充的要求及安全度。Citric acid, taking the place of hno3, solutes the substance which does not solute in solution, and it acts as the ligand of metallic ionic and the hydrolysis catalyst of si ( oc2h5 ) 4, which reduces the pollution caused by no2 which forms at the decompose process of the hot treatment. by changing the means of calcine of the drier gel, choosing the suitable temperature to burn the gel, the high temperature calcine time is shorted, which solves the question of the long period calcine. so the preparation process of the matrix and composite was finished by using more lower temperature than the traditional solid state reaction and more shorter time than the traditional sol - gel process
結果使基質和復合物的制備在比傳統的固相反應法低得多的溫度下和比常規的溶膠凝膠法短得多的時間里完成;五、對基質及復合物的干凝膠、粉體和燒結體進行了ir 、 dta 、 xrd 、 seni及交流阻抗譜表徵,研究結果表明:在溶膠向凝膠的轉化過程中同時存在著正硅酸乙酯自身的聚合作用和檸檬酸鹽絡合物之間的聚合作用:干凝膠向產物粉體的轉化在400600c之間進行;基質li 。Selection of suitable retarding agent and its addition is particularly important for controlling the setting time of gypsum - based material in a certain rang, meeting the requirement of construction process. though the retarder is widely used, the influence factor, the intrinsic reason that induces the strength drop and retarding mechanism are still studied superficially
盡管石膏緩凝劑的用途廣泛,但是對於它的影響因素、緩凝劑強度降低的內在原因和緩凝劑阻礙石膏水化形成緩凝作用的機理的研究粗淺,認識模糊。The theory of interface of two - phase fluid id used to analyze the role of the interfacial heat transfer resistance in cond ensation process, it shows that the interfacial heat transfer resistance can not be ignored under such a vacuum condition, and the effect on heat transfer process becomes declined with the increasing of vapor pressure
應用兩相界面理論分析了汽液界面熱阻在水平管內低壓蒸汽冷凝過程中所起的作用,發現實驗范圍內汽液界面熱阻不可忽略,且其對冷凝傳熱過程的影響隨蒸汽壓力的增大而減弱。As the content of vermiculite minerals increased, the content of the " intercalated " shape, in which crystal gallery breadth was about of 40nm, also increased. in the curing reaction processing of polybenzoxazine / vermiculite hybrid nanocomposites intercalated with bisphenol a type precursor. according to the content of vermiculite minerals, while different shape of crystal was forming, these crystals were retarding the heat ring - opening polymerization of bisphenol a type precursors in the nanocomposites
通過對雙酚a型ben蛭石納米插層物固化過程的分析:不同蛭石含量的插層物,在形成不同納米分散狀態固化結構的過程中,蛭石晶片對雙酚a型ben的熱開環聚合有明顯不同的阻礙作用,蛭石含量為3的插層物160的凝膠化時間較純樹脂的延長約7min ,活化能高約8kj mol ,固化反應熱晗低約14j g ,使得固化物的固化程度較純樹脂低約10 ,阻礙作用最大,其它含量的次之。The civil retrial system plays an important role in judicial practice as a litigation system, but there are contradictions between the current law of the retrial system and actual effect in the practice, structure form and value orientation, which seriously hinder the progress of the civil retrial system
摘要長期以來,民事再審制度作?一項訴訟制度在司法實踐中發揮著重要的作用,但由於現行再審制度法律條文與實際運行效果之間的矛盾以及其外在結構形式與內在價值取向上的存在矛盾無法得以迅速解決,嚴重地阻凝了民事再審制度改革進程。Moreover, template can be pre - designed according to the size and shape of objective materials. microgels are cross - linked latex particles with narrow size distribution and the inherent steric stability
微凝膠是一種交聯型的膠乳粒子,它具有較窄的尺寸分佈和空間位阻作用。The result of co - immunoprecipetation showed that hsf - hsp70 complex existed in cytoplasmic extract. gel mobility shift assay was used to study the affect of hsp70 on the activity of hsf. these results provide evidence for negative regulation role of hsp70 in plant
本文實驗用免疫共沉澱法在細胞提取液中檢測到了hsp70與hsf復合體的存在,並通過凝膠阻滯分析法研究了hsp70對hsf的dna結合活性的影響,在植物中為hsp70的負調節作用提供了支持證據。On the basis of construction technique of large diameter bored hollow pile of prestressing force concrete, through simulation test, this paper simulates the interaction of pile with side mediator and pile with end mediator respectively under different conditions of injected cement paste, analyses the changing regularity of ultimate skin friction in different depths and different mediators, and also studies the changing regularity of end resistance in different end mediators
本文在對大直徑鉆埋預應力混凝土空心樁的施工工藝分析研究的基礎上,通過室內模擬試驗,分別模擬樁與樁側、樁端介質不同注漿情況下的相互作用性狀,分析了樁側介質變化時不同深度處樁側極限摩阻力的變化規律和樁端介質變化時樁端承載力的變化規律。The results of the bearing bending experiment show that the steel plates can be combined with original beams by the construction gum, which makes the steel plates bearing bending together with original beams. at the same time the gluing steel plates enclose tensed concrete, improve the capability of resisting tension and limit the crack in the concrete
抗彎試驗結果表明:由於加固鋼板通過結構膠與原梁相結合形成組合構件,使鋼板與原梁一起參與受彎作用;同時,所粘鋼板包住受拉混凝土,改善了混凝土的抗拉性能,阻止並限制了混凝土中裂縫的發展。These results indicated that lectins present in the skin mucus of amphioxus and defend amphioxus from the invasion of pathogene
這些結果表明,在文昌魚的體表粘液中存在著凝集素,在機體免疫中起到阻礙外源異物和微生物入侵的第一道屏障的作用。Some conclusions are drawn : the compressive strength and flexural strength of cubic specimens of steel fibre reinforced concrete increase with the dosage of steel fibre ; without change of dosage of steel fibre, the elastic modulus of steel fibre reinforced concrete increases with the concrete age ; steel fibre reinforced concrete is of obvious function in cracking resistance, but there is no obvious function in avoidance of cracking ; for both common concrete and steel fibre reinforced concrete, the variation of the internal temperature is different from that of the external temperature before the initial set of concrete, and the internal strain of both two kinds of concrete is great, and, in general, the variation of strain of common concrete is much greater than that of the steel fibre reinforced concrete ; after the initial set of concrete, the variation of the internal temperature of both two kinds of concrete is similar to that of the external temperature, and the variation of the internal strain is relatively small
結果表明:鋼纖維混凝土立方體的杭壓強度、抗彎強度隨著鋼纖維摻量的增加而增大;在鋼纖維摻量不變的情況下,鋼纖維混凝土的抗壓彈性模量會隨著齡期的增加而提高;鋼纖維對混凝土的阻裂作用很明顯,而對混凝土起裂的限製作用不明顯;在混凝土初凝之前,無論是普通混凝土還是鋼纖維混凝土,內部溫度的變化規律與外界溫度的變化規律不同,並且此階段混凝土內部應變的變幅很大,普通混凝土應變的變幅要比鋼纖維混凝土應變的變幅大得多;在混凝土初凝之後,無論是普通混凝土還是鋼纖維混凝土,內部溫度的變化規律與外界溫度的變化規律相同,並且此階段混凝土內部應變的變幅很小。The steel - fibre reinforced concrete ( sfrc ) is a new kind of multiply - composite material, and the short steel fibres are distributed disorderly in the concrete. the main function of the short steel fibres is to hinder the expandance of inner microscopic and macroscopic cracks in the concrete. therefore, sfrc is used extensively in building highway and airport pavement. with the extensive applyment of sfrc, the experiment and research of it has been concerned and valued by the scholars of internal and overseas
鋼纖維混凝土是在普通混凝土中摻入亂向分佈的短鋼纖維所形成的一種新型的多相復合材料,其中亂向分佈的短鋼纖維主要作用是阻礙混凝土內部微裂紋的擴展和阻滯宏觀裂縫的發生和發展。因此,在修築公路路面和機場道面中得到廣泛的應用。隨著鋼纖維混凝土這種新型復合材料的廣泛應用,對鋼纖維混凝土的試驗與研究也日益受到國內外學者的關注和重視。But be the concrete to transform the stipulation ( repress, bar ) function, then want the companion to living to pull in response to the dint with pull to adapt to changes
混凝土隨著溫度、濕度的變化要伴生脹縮變形。而當混凝土的收縮變形受到約束(抑制、阻礙)作用時,則要伴生拉應力和拉應變。It has good practical and academic value for research of interfacial bonding between shaped synthetic macro - fiber and matrix. for concrete consisting of hardened cement, aggregates, pore and micro - cracks of different sizes, reinforcing effects of only one type of fiber are limited, however,
由於混凝土自身是多相、多組分、多尺度層次的非均質結構特性,單一纖維增強作用是有限的,混雜纖維能在不同結構和不同性能層次上逐級阻裂與強化,達到取長補短的作用。Experimental results indicate that the reinforcing frps can be combined with original beams by construction gum, which makes the frps bearing bending together with original beams. at the same time the frps enclose tensed concrete, improve the capability of resisting tension and limit the crack in the concrete
試驗結果表明,加固纖維與原梁相結合形成組合構件,使纖維布與原梁一起參與受彎作用;同時,所粘纖維布包住受拉混凝土,改善了混凝土的抗拉性能,阻止或限值了混凝土中裂縫的發展。分享友人