滲硅 的英文怎麼說
中文拼音 [shènguī]-
The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。The problems can be addressed, in part, through a strongly reactive alloying addition, such as mg, li and so on, and through reinforcement coating. in this paper sicp / al composites and sicp / al - si composites fabricated by the pressureless infiltration method. in order to found out the influence the different quantity of the reactive alloying addition mg si ce on the wetting between sicp and molten metal as well as the properties of mmcs, the behaviors of molten metal, the mechanical properties, micro - structure and the interfacial reactions was investigated respectively
本文通過研究制備sicp al復合材料、 sicp al - si復合材料的過程中,熔融鋁液或鋁硅合金液的浸滲行為、 sic - al 、 sic - al - si之間的界面反應、復合材料的機械性能、微觀結構等,探討了不同量的活性元素mg 、 si 、 ce對sic顆粒與熔融基體之間的潤濕性及復合材料性能的影響。The compound modification of silane wet method and stearic acid dry method modification combine the advantage of individual stearic acid modification and silane modification. the indices are listed as following : wetting contact angle 140, penetration time 200 minutes, oil absorption contents 1. 4, dispersion degree17. 5. on the basis of compound modification, silane and stearic acid cooperation modification simplify the modification craft
試驗研究表明,單一硅烷改性,干法效果優于濕法;硅烷濕法與硬脂酸干法復合改性,結合了硬脂酸、硅烷單獨改性的優勢,改性后的指標分別為:接觸角140度,滲水時間200min ,吸油值31 . 4 ,分散度17 . 5ml ;在復合改性的基礎上,硅烷與硬脂酸復配干法改性,進一步簡化了改性工藝,改性后的指標分別為:接觸角145度,滲水時間220min ,吸油值28 . 2 ,分散度18 . 0ml 。Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates
水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英砂等為基材,摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透,與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應,生成不溶於水的結晶體,堵塞毛細孔道,使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐腐蝕、易施工、對人類無害等特點。Through the research of crosslinking of matrix resin, heating treatment of composite and mixing of different polymer, we draw some conclusions : 1 、 percolation theory can explain the phenomenon of the jump of resistance when the content of cb reach a critical volume ; 2 、 based on ohm conduct theory, abounded to the percolation the wbibull statistical theory and other theory, an adapted theory was obtained to explain the jump of resistance and the other phenomenon ; 3 、 the ntc phenomenon was eliminated by crosslinking the matrix of conductive composite, at the same time the stability of composite was improved
通過對基體樹脂的交聯、復合材料的熱處理、聚合物共混物的研究得出了如下的結論: 1 、滲濾理論能夠很好的解釋導電粒子含量達到某一值時電導率劇增的問題; 2 、在歐姆導電模型的基礎上,綜合應用了weibull統計理論模型,結合原來的體積膨脹等理論,成功的解釋了ptc復合材料在基體材料熔點附近的跳變問題、 ntc現象以及熱循環穩定性等問題; 3 、有機ptc導電復合材料經硅烷交聯以後能夠消除ntc現象,改善了導電復合材料的穩定性能。Carbonizing silica brick
滲碳硅磚Preparation and performance of pdms membranes for pervaporation desulfurization
有機硅膜的制備及其滲透汽化脫硫的研究Effect of nitriding on grain oriented silicon steel bearing aluminum
滲氮對含鋁晶粒取向硅鋼的影響For dagang oilfield, cements mainly is calcite, other and fills are mud, silicate, pyrite and organic matter, at least there are two or three stages. ( 4 ). after studying of cement stratagraphy, cementation - dissolution diagenesis is divided into four zones : phreatic, vadose, deep mixing and deep convection zones
從大港探區的實例出發,認為充填物類型除方解石外,泥質充填也較普遍,同時還有硅質、黃鐵礦、有機質等多種充填類型,充填期次至少2一3期; ( 4 )膠結物地層學研究,將膠結溶蝕成巖作用劃分出四個帶:滲流帶、潛流帶、深部混合帶和深部對流帶。In this paper, the characteristic of ecological distribution of the order aulonoraphidinales has been discussed. the result showed that the characteristic influenced by regional climate and situation is not notable, but the influence from located water body is relatively obvious, the number and quantity of those species is richer in temporary water body, seep water beside lake and marsh, yet less in brook, river, lake and other water body
發現管殼縫目硅藻的分佈受區域氣候、地理位置等的影響並不顯著,而受所處水體的小環境的影響較為明顯,在臨時性水體以及湖邊滲出水、沼澤中管殼縫目硅藻的種類多,數量也多;而在溪流、河水、湖水等水體中種類和數量都很少。Based on orthogonal experimental avenue, dmm is manufactured by local po, sa, and phosphorus slag flying ash, yellow slag and ect. and formulate optimum mixture program and production technology requirement ; on basis of jcj70 - 90, physical mechanics property is quizzed, adopting chemical analysis, xrd, sem and so on, discuss composition and structure. the researchable result is that mixture program of dmm : a3b2cl ( cement 403 m2 / kg, phosphorus slag357 m2 / kg, activated agent 2 % ), after the condition of c / s1 : 4, adopting ordinary portland cement
採用正交試樣方法,用本地生產的普通硅酸鹽水泥、硫鋁酸鹽水泥、磷渣、粉煤灰、黃砂等原料配製抗滲干拌砂漿,確定最佳的配料方案和生產技術要求;按jcj70 ? 90 《建築砂漿基本性能測試方法》測定砂漿的各項物理力學性能;運用化學分析、 x衍射儀、掃描電鏡等測試手段,檢測配製砂漿的組成和結構。6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures
系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數,分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響,並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測,為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。Study on pretreatment of landfill leachates using polysilicate ferrite
聚硅酸鐵預處理垃圾滲瀝液的研究This paper relates a study of using automated gel permeation chromatography ( gpc ) to clean soil sample extracts with an average recovery of spiked blank samples of about 79. 0 %, far better than the common florisil method
將該凈化方法應用於實際土樣的凈化,並和佛羅里硅土凈化方法相比較,經凝膠滲透色譜凈化的20種有機氯農藥空白加標的平均回收率為79 . 0 % ,比佛羅里硅土凈化的空白加標平均回收率高14 . 9 % ,且凝膠滲透色譜的凈化效率較好。Two - addition technique of flying ash and silica fume can meliorate durability of concrete ; air - entraining admixture possesses anti - freezing, descending ice point, and improving workability, and thereof it should be used in concrete. but controlling its dosage is very important to avoid strength loss
發現粉煤灰和硅灰的雙摻技術能夠顯著改善混凝土的耐久性能,引氣劑具備防凍抗凍、抗滲及提高負溫混凝土工作性的優點,在負溫混凝土中應該加大使用范圍,但必須控制其摻量,確保強度損失較小。In order to improve pvp hydrogel material ' s mechanism and penetrability, gamma - ( methylacryloyl - oxy ) propyl - trimethoxysilane ( trademark ) was choosed to modify polyvinyl - pyrrolidone ( pvp ) hydrogels. the synthesis and capability of organic silicon modified pvp hydrogel contact lens material was mainly studied in this article
為了克服水凝膠材料的這些缺點,本文進行有機硅改性pvp水凝膠接觸透鏡材料的合成及性能研究,用有機硅提高水凝膠材料的機械強度的同時提高材料的滲透性能。Aluminum infiltrated silicon carbide composite exhibits excellent properties such as high thermal conductivity, low coefficient of thermal expansion ( cte ), high modulus and low density, therefore it has extensive potential applications in electronic packaging
鋁滲碳化硅復合材料具有高導熱、低膨脹、高模量、低密度等優異的綜合性能,在電子封裝領域具有廣闊的應用前景。In this paper, finite element software ansys is used to simulate the thermal conductivity and pressureless infiltration technique is used to produce aluminum infiltrated silicon carbide composite with high volume fraction of sic. the influence of interfacial thickness and temperature on thermal conductivity and cte have been investigated and analysed
本文採用有限元軟體ansys對鋁滲碳化硅復合材料的有效熱導率進行了數值模擬,用無壓浸滲法制備了高體積分數的鋁滲碳化硅復合材料,研究了界面層厚度和溫度等對鋁滲碳化硅復合材料的熱導率和熱膨脹系數的影響,並進行了分析。Waterless urinal is made of ceramic material, and uses nanometer anti - bacteria glaze as its surface, which can prevent the penetration and retaining of urine, eliminate the odor and avoid the growth of bacteria
免沖水小便器的本體採用陶瓷材料,特殊的納米抗菌釉面防止了尿液的滲透和滯留,大大降低了尿液的異味並防止細菌的滋生,不銹鋼和硅膠材料的專利裝置有效的隔絕了下水道的臭味,避免了尿垢的附著。[ trendsgroup ] waterless urinal is made of ceramic material, and uses nanometer anti - bacteria glaze as its surface, which can prevent the penetration and retaining of urine, eliminate the odor and avoid the growth of bacteria
免沖水小便器的本體採用陶瓷材料,特殊的納米抗菌釉面防止了尿液的滲透和滯留,大大降低了尿液的異味並防止細菌的滋生,不銹鋼和硅膠材料的專利裝置有效的隔絕了下水道的臭味,避免了尿垢的附著。分享友人