質子酸 的英文怎麼說
中文拼音 [zhízisuān]
質子酸
英文
protic acid-
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。This ion channel, present in the membrane of many nociceptors, responds not only to capsaicin, the pungent ingredient in chili peppers, but also to distressful heat and to protons ( the hydrogen ions that make substances acidic ) ; protons are unusually abundant in inflamed tissue
該受體是一種離子通道,出現在許多痛覺受器的細胞膜上,不只對辣椒的辛辣成份起反應,也對傷人的熱及質子(造成酸性的氫離子,在發炎組織中特別多)起反應。The principle and method for enzymatic synthesis of gallic acid, isolation and selection of the aspergillus niger strains, characteristics of this biotechnology, products quality of gallic acid and the uses in domestic food and pharmaceutical industries are briefly introduced
摘要概述了黑麴黴單寧酶酶法轉化五倍子單寧酸生產沒食子酸的原理和方法、酶源菌種的分離和選育、工藝技術的特點、產品質量規格及在國內食品、醫藥行業相關部門的應用等。With the increase of concentration of aqueous extract from peganum multisectum increased, root vigor, the contents of chlorophyll, soluble protein and nucleic acid in roots and shoots of alfalfa seedlings decreased, while the activities of protease and nuclease, the contents of o2 ( superscript - ), h2o2 and malondiadehyde ( mda ) increased, the activities of superoxide dismutase ( sod ), catalase ( cat ) and peroxidase ( pod ) first increased and then decreased
幼苗根系活力和葉綠素、可溶性蛋白質、核酸含量隨水浸液濃度的提高而降低,蛋白酶和核糖核酸酶活性及超氧陰離子( o2 (上標- ) ) 、 h2o2和丙二醛( mda )含量則增加,超氧化物歧化酶( sod ) 、過氧化氫酶( cat )和過氧化物酶( pod )活性呈先升后降變化。By observing the effect of acidity on the uv difference spectra of ehpg or hbed, the spectral characteristics of apoovotransferrin binding to metals and anions at ph 7. 4 show that the reaction of apoovotransferrin with metals is related to deprotonation of the phenolic group of tyrosine of the metal binding sites, while the binding of apoovotransferrin to anions is associated with the protonation of the phenolic group of tyrosine of the anion binding sites
摘要通過觀察酸度對模擬轉鐵蛋白小分子ehpg和hbed紫外差光譜的影響,結合脫鐵伴清蛋白與金屬離子、陰離子結合的光譜特性,推斷脫鐵伴清蛋白與金屬離子的結合導致金屬離子結合位點處酪氨酸酚羥基的去質子化,而與陰離子的結合導致陰離子結合位點處酪氨酸酚羥基的質子化。For lactic acid has one asymmetric carbon atom, the mechanical, physical and biological properties of pla are related to the stereochemistry of lactic acids
合成聚乳酸的初始物質乳酸是有手性的分子,使得聚乳酸的機械和物理性能以及生物學性質與乳酸單體的立體異構性有關。Together with “ free ” hydroxyl ions already present in solution, these hydroxyls are titrated with protons ( acid ), to a thermometrically determined endpoint
游離的烴基離子存在於溶液中,用質子(酸)就滴定這些烴基離子,出現了一個溫度測量的終點。Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate
有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性,同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點,是一類很有潛力的靈巧材料,並且可以根據目標反應的要求進行分子設計和優化篩選,在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心,可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。Layered and pillared material are a kind of multifunctional material which were developed in recent years, much attention has been paid to this kind of material for its application in ion - exchange catalysts solid state proton conductivity, nonlinear optics and physic. a lot of literature have reported the intercalation behavior of a - zirconium phosphate ( abbreviated as a - zrp ), different guest molecules inserted into a - zrp have been studied in detail, those guest molecules include amine, alcohok amino acid protein, enzyme coornadiate compound and coronal compound. the intercalation guest is restricted by their size and basicity
層柱材料是近年來發展起來的一類多功能材料,由於其在離子交換、催化、固態質子導體、非線性光學以及醫學等方面的廣泛應用而受到國內外研究者的重視,大量文獻報道了-磷酸氫鋯zr ( hpo _ 4 ) _ 2 ? h _ 2o ( - zirconiumphosphate ,縮寫為- zrp )的超分子插層化合物及插層性能,其中對不同的客體分子對磷酸鋯的嵌入做了詳細的報道,客體分子的種類包括氨、醇、氨基酸、蛋白質、酶、配合物、冠狀化合物等。Applications and development of perfluorinated sulfonic acid resin are summarized, its structure, performance and applications in pemfc are discussed
摘要介紹了全氟磺酸樹脂的應用發展概況,討論了膜的結構、性能以及它們在質子交換膜燃料電池中的應用。In this thesis, we study the properties and development of the proton - exchange membrane and focus on the status and defects of the typical polyperfluorosulfonic acid membrane, of which high cost is the most obstacles for the commerce of the fuel celt
本文論述了質子交換膜的特點及其發展方向,重點闡述了全氟磺酸型質子交換膜及其在燃料電池應用中存在的問題。針對這些問題,我們對質子交換膜進行了探索性的研究。The clinical manifestations and treatment of senile patients with peptic ulcer
質子泵抑制劑對老年潰瘍病人胃內酸度的影響This is possible because stomach acid is needed to help the body absorb calcium - proton pump inhibitors work by slowing the production of stomach acid
這項研究結果是可能的因為機體需要胃酸幫助吸收鈣而質子泵抑制劑通過減少胃酸的產生發揮作用。In order to reduce the membrane ' s cost, we prepared the membrane by simultaneous radiation grafting of styrene onto teflon - polytetrafluorethylene films and subsequent sulfonated by the chlorosulfonic acid introducing the activity sulfonic acid grape into the grafting side chains of the polymer films
在實驗中採用高能輻射技術,先將苯乙烯單體接枝到聚四氟乙烯聚合物基體上,后經氯磺酸磺化反應引入磺酸基團,合成了滿足燃料電池性能要求的質子交換膜。Several kinds of inorganic solid proton conductors including zirconium phosphates, heteropolyacids ( hpa ) and hydrogen sulfates and three kinds of methods such as hybrid solid casting, exchange - precipitation process and sol - gel process which can incorporate the inorganic solid proton conductors in pems were introduced
摘要主要介紹了目前摻雜質子交換膜用的幾種無機質子導體磷酸鋯、雜多酸、硫酸氫鹽等,並進一步介紹了將這些無機質子導體引入到聚合物中的3種摻雜方法:混合澆鑄法、離子沉澱法和溶膠凝膠法。Dye probes and their recent applications in quantitative analysis of protein and in the studies of interactions of the dye probes with protein / dna in bio - analysis were reviewed
摘要評述近年來染料探針在生物分析中用於蛋白質的定量測定及蛋白質、核酸與小分子相互作用等方面的研究進展。After all, even the most complicated creature is made up of tiny cells, which themselves are constructed of nanoscale building blocks : proteins, lipids, nucleic acids and other complex biological molecules
再怎麼說,就算最復雜的生物也是由微小的細胞所構成;細胞本身就是由奈米尺度的建材所組成,像是蛋白質、脂質、核酸及其他的復雜生物分子。With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used
實驗方面,利用實驗室現有條件,在鈮酸鋰晶片上以苯甲酸為質子源,用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究,在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程,實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器,最後進行封裝。Surface active agents. anionic active matter stable to acid hydrolysis. determination of trace amounts
表面活性劑.陰離子活性物質對酸水解的穩定性.痕量成分的測定Water quality - determination of nitrate - nitrogen gas - phase molecular absorption spectrometry
水質.硝酸鹽氮的測定.氣相分子吸收光譜法分享友人