聚酚 的英文怎麼說
中文拼音 [jùfēn]-
Research progress in modification of ablative phenolic resin
聚碸改性無污水酚醛樹脂的研究Boracic modified penolic resin with boracic acid and hydroxymethyl phenol was manufactured after hydroxymethyl phenol was created with in a special way
摘要通過在一定條件下,先將苯酚、甲醛製成羥甲基酚,然後改變條件與硼酸共聚,制得具有合成穩定和較好耐熱性的硼改性酚醛共聚樹脂。A mixture of catechin and epicatechin, procyanidin b4, 4 - hydroxy - benzoic acid and ethyl gal - late were purified and identified from grape seed procyanidin extract
得到2種原花青素的單體: ( + ) -兒茶素和( - ) -表兒茶素; 1種原花青素二聚體b4 ; 2種其他酚類物質:對羥基苯甲酸及沒食子酸乙酯。The complex formed by cnbr - activated alginate and antibody is aggregated to the surface of the paraffin - graphite - chitosan electrode by electrostatic adsorption ( coacervation ). the concentration of sjag can be detected by determining the redox current of o - aminophenol, which oxidized by h2o2 in the presence of hrp. moreover, the immunosensor shows some improved performances including high sensitivity, selectivity and less non - specific adsorption
褐藻酸鈉?抗體復合物通過靜電吸附作用被凝集到含石墨?石蠟?殼聚糖組分的電極表面,然後與抗原和酶標抗原進行競爭反應,以鄰氨基酚為電子媒介,通過測定酶催化下雙氧水對其氧化的電流大小來間接測定抗原的濃度。Methods the content of - glucan determined by phenol - sulfuric acid method, congo red method, two enzymes method and modified two enzymes method, respectively and compare these four methods
方法分別採用苯酚硫酸法、剛果紅法、雙酶法和改良雙酶法測定-葡聚糖含量,並比較結果。Phenolic foam is a new generation heat preservation prevent fire soundproof material and polystyrene together ammonia ester foaming rubber etc, material to compare, and it is good that its biggest characteristics is a heat - proofound the low temperature contractility is smatt, and have te special prevent burning wit the size stability under 2000 heat, not burning, not melt not contract constant form not poisonous spirit hove no thick smoke, just surface formation layer
信息內容:酚醛泡沫為新一代保溫防火隔音材料與聚苯乙烯聚氨脂發泡橡膠比,其最大特點是耐熱性好,低溫收縮性小,具有獨特的阻燃和尺寸穩定性,在焊槍火焰下,不燃燒不收縮不變形,無毒氣無濃煙,只是表面炭化,性質穩定,耐化學腐蝕抗老化。Such thermosetting resins as phenol-formaldehyde resins, ployester resins, and epoxy resins do not belong to this classification.
像酚醛樹脂、聚酯樹脂和環氧樹脂等熱固性樹脂不屬於此類。In at last, on base of electropolymerization of urushiol, electropolyurushiol / cus hybrid film ( hybrid - epu / cus ) was manufactured by the method of ion exchange process. then hybrid - epu / cus was characterized by ft - ir, fluorescence, dmta xrd and tem
最後,本文在電化學聚合漆酚的基礎上,用電化學聚合漆酚銅配合物,在一定條件下與nfos作用,可獲得聚合漆酚納米clls雜化材料。Study of preparation of polymer surfactant of ester - salt of copolymaleic anhydride with nonyl phenyl polyoxyethylene ether
新型高分子表面活性劑馬萊酸壬基酚聚氧乙烯酯鹽類的合成研究These precursors polymerize to form polyamic acid ( paa ). the paa reacts with metal film such as copper. thus its character become worse and circuit resistance increases
電子科技大學博士學位論文聚酚亞胺( pi )是薄膜多層布線的重要介質材料,它是由兩種單體在熱處理后聚合而成。The method of phloroglucinol to determine the content of wheat pentosan was discussed as well
同時對「間苯三酚冰醋酸法」測定小麥戊聚糖的含量進行了討論。The preparation of phenolphthalein poly ether sulfone membrane and its corresponding properties
酚酞型聚醚碸膜的制備與性能研究Effects of proton irradiation on the tribological properties of phenolphthalein poly ether sulfone
質子輻照對酚酞聚芳醚碸摩擦學性能的影響Mechanics properties and heat resistant properties of the polybenzoxazine ( bisphenol a type ) / vermiculite hybrid nanocomposites were lower than those of the polybenzoxazine ( bisphenol a type ) but prior to those of the polybenzoxazine ( bisphenol a type ) / phlogopite composites
這些分析表明:雙酚a型ben蛭石的固化結構為固化不完全的交聯密度更低的聚合網路結構。In another way, they prevented ion exchange process in some degree because of space steric hindrance. in short, this paper will make a good foundation for further application research about urushiol hybrid material and electropolymerization in future
綜上所述,本文用兩種不同方法制備了不同聚合漆酚納米無機物雜化材料,研究了合成方法,結構特徵及性能等。Several kinds of fillers, i. e., phenol - formaldehyde, alkyd, polyester, polyurethane and poly - vinyl - acetate, were tried to coat surface of wheat straw board ( wsb ) in this paper
摘要對麥?人造板表面分別試驗了酚醛樹脂、醇酸樹脂、聚酯樹脂、聚氨酯、聚醋酸乙烯酯膩子,塗刮膩子后再噴塗丙烯酸漆,並測定漆膜附著力。Surface - active agent that this kind of product uses, for instance : gather ethylene glycol, ren base phenol and gather oxygen and ethylene ether, gather the amine salt in alcohol ether, polyvinyl alcohol, alkyl sulphonate, season etc.
該類產品使用的表面活性劑如:聚乙二醇、壬基酚聚氧乙烯醚、聚醇醚、聚乙烯醇、烷基磺酸鹽、季胺鹽等。First of all, in this paper we prepared sno2 nanoparticles in microemulsion system made by dodecylbenzyl sulphonic acid ( dbs ), discussed all kind of influencing factors, investigated the optimal processing parameters in preparation
探討合成工藝對納米sno2的影響與合成納米sno2的最佳工藝條件,為將來制備聚合漆酚納米sno2雜化材料研究提供依。Filling flexibilizer, such as epoxy terminal block, polyurethane ether structure, thiokol and liquid ctbn to the system of expoxy - mannich amide, through the test on shear strength, bounding elasticity modulus and break strength of cured products, the different fuction could be found using different flexibilizers
摘要在環氧酚醛胺體系中使用端環氧基聚氨酯醚、聚硫橡膠、液體丁腈橡膠等活性增韌劑,通過對固化物剪切強度、彎曲彈性模量及斷裂強度的測試對比,可以看出不同增韌劑效果不同。The diameter of sno2 nanoparticles ranges from 20 to 60 nm. it was concluded that, with the use of the surfactant dbs, sno2 nanoparticles would more steady disperse in polyurushiol in nano scale. ft - ir and xps spectrum showed that there was some interacting between the phenol hydroxyl groups in urushiol mocular chains and sno2 nanoparticles
( 3 )紅外分析和xps分析表明, sno _ 2納米粒子與聚合漆酚中羥基氧原子或dbs中氧原子之間存在著一定程度的配位趨向這,可能是納米sno _ 2在dbs為表面活性劑的漆酚或聚合漆酚中能穩定分散的原因之一。分享友人