酸性反 的英文怎麼說
中文拼音 [suānxìngfǎn]
酸性反
英文
acid reaction-
Corrosion reactions, with metal dissolution, can occur in both basic and acidic solutions.
使金屬溶解的腐蝕反應,可以在堿性也可以在酸性溶液中發生。Study on the acrolein hydration catalyzed by strong acidic ion - exchange resin
強酸性陽離子樹脂催化丙烯醛水合反應的研究Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi - carbazone kind
摘要鏈狀冠醚二芳醛在酸性條件下與氨基硫脲反應,合成了鏈狀冠醚二芳醛縮氨硫脲類化合物。Poly ( lactic acid ) ( pla ) has been widely used as scaffolds for tissue engineering because of its good processability, good biocompatibility and suitable mechanical properties. but its catabolite would often induce erythrophlogosis. the preparation and properties of the pdlla / ha compound fiber and cell culture on the pdlla / ha unwoven meshes had research researched in this paper
聚乳酸( pla )因其良好的生物相容性、生物可降解性以及良好的可塑性而被廣泛地應用於組織工程支架材料的研究,但是單一的聚乳酸長期在培養液或機體內因降解而易導致局部炎性反應。Deposition mechanism of electroless plating tin in acid chloride solutions was analyzed theoretically, and three steps were summed up, including period of replacement reaction, coexistence periods of copper - tin codeposition and self - catalyzed deposition, and period of self - catalyzed deposition
從理論上系統地分析了酸性氯化物化學鍍錫的沉積機理,將其歸納為置換反應期、銅錫共沉積與自催化沉積共存期和自催化沉積期三個階段。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。Eosinophils can increase with allergic reactions and with parasitic infestations
當過敏反應和寄生蟲感染時嗜酸性粒細胞會增多。In order to find replacer for metronidazole and drug selection. some diesters or esters of acids containing nitrogen with metronidazole were designed and synthesized, which have difference in water - solubility. metronidazole was reacted with the corresponding amino or imino multi - carboxylic acid compounds in the presence of acetic anhydride or thionyl chloride or dcc. the intermediate of nitrilotriacetic acid with ac
為尋找羥乙基甲硝唑的替代物,分別採用酸酐法酰氯法或dcc法,將氨基羧酸與羥乙基甲硝唑反應,得到5個親水性不同的單酯或二酯,用ms譜確證了次氨基三乙酸與乙酸酐反應的中間物,並對得到的酯的Sodium metasilicate has strong alkalinity and good buffering capacity. it can neutralize acidic dirt, emulsify grease and oil, and provide corrosion proofing to metals. it is a basic material for the detergent industry, widely used in domesticindustrial detergent, food cleaner, metal cleaner, washing carbonated drink bottles, printing aid for textile, deinking recycled paper, etc
偏硅酸鈉具有強堿性,去污力強,緩沖能力大,可中和酸性污物,使脂肪和油類乳化,對無機物有反絮凝作用,對金屬有防腐蝕作用,是洗滌業不可替代的原料,廣泛應用於家庭洗衣粉、工業洗滌劑、食品清洗劑、金屬清洗劑、酒瓶清洗劑、除油紡織印染助劑及紙張脫墨劑等。When vitamin c reacts with nitrite in acid it forms nitric oxide. however, the nitric oxide can diffuse into fat ; react with oxygen to form nitrosamine - generating chemicals
當維生素c在酸性環境下與亞硝酸鹽反應時,生成一氧化氮。然而,一氧化氮能夠擴散到脂肪中去;與氧反應生成會產生亞硝胺的化學物質。By the mixing of sodium sulfide and sodium molybdate within a suitable ph range, molybdenum trisulfide particles were obtained as precipitation substance
在一定酸性的條件下將硫化鈉和鉬酸鈉的水溶液進行混合與反應,生成棕色三硫化鉬膏狀沉澱。Thirty - one crystals of polyoxometalates ( 1d, 2d, 3d ) were prepared by means of middle hydrothermal technique, molecular design and self - assembly, and characterized structurally by single crystal x - ray diffraction. the thermal stability, activity of catalysis and magnetism of some compounds were systematically studied. the continuous appearance of p - v - o, p - mo - o, v - mo - o, v - o system with novel structure enrich polyoxometalate chemistry, the reaction characterization and the synthesis law of molybdates, tungstates and vanadates under hydrothermal conditions were explored
由於p - v - o 、 p - mo - o 、 v - mo - o 、 v - o體系新結構不斷出現,豐富了多金屬氧酸鹽化學,探討水熱條件下釩、鉬、鎢物種的反應特性和生成規律,研究原料的選擇、配比、加料順序、濃度、酸度、反應溫度、反應時間等因素對產物的生成及結構的影響,為新的催化劑、導電材料、磁性材料的研製與開發積累經驗。Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。By using sterically hindered, electron - rich alkylphosphines and n - heterocyclic carbenes ( nhc ), this process has encompassed a broad range of substrates including ketones, aldehydes, esters, amides, malonates, nitrocompounds, nitriles and sulfones
隨著大位阻、富電子烷基膦和氮雜環卡賓( nhc )為配體的催化體系的出現,該類反應的底物已從酮擴展到醛、酯、酰胺以及含酸性氫的化合物如丙二酸酯、硝基化合物、腈、碸等。The paper discusses dynamical conditions of the supercritical ore - forming fluid system based on study of regional geological background and analyses of physiochemical conditions of ore - forming process and puts forth the ore - forming mechanism : upper mantle uplift - mingling of meteoric water and magmatic hydrothermal fluid separated from acidic magma under tensile or transitional tensile environment - water / rock reaction - transportation - chemical coupling ore precipitation
在分析超臨界成礦流體系統形成的區域地質背景和研究成礦物理化學條件的基礎上,探討了超臨界成礦流體系統形成的動力學條件,提出該系統的成礦機理:與燕山晚期酸性火山侵入巖漿有關的金銅礦床是在上地慢隆起、張性或向張性過渡背景下形成的,酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。The soil of tsochen s farmland is chalky, saline, low in organic matter and strongly alkaline ph 8. 5, but because of this the area s red bananas musa coccinea, luzon bananas m. basjoo, fragrant manjack cordia dichotoma, yams, bird s - nest ferns and mangoes are all especially tasty
另外,左鎮鄉的耕地含有大量高鹽分的白堊土質,缺乏有機質,使得土壤呈鹼性反應酸鹼值高達8 . 5 ,但卻使得當地產出的紅香蕉呂宋蕉破布子山藥山蘇芒果,特別香甜可口。It is well known that wo3 is a conductance - type semiconductor gas sensing material, but the research on fish freshness detector with wo3 - based gas sensor to trimethylamine is still at a beginning stage. in this project, the wo3 - based gas sensors to trimethylamine are made, and their gas sensing performance are researched, especially at low temperature, the results are as follows : 1. the nano - sized wo3 powder is prepared by sol - gel method of sodium tungstate and hydrochloric acid, and its microstructure is analyzed by using xrd, sem and tem, for material ’ s microstructure is closely related to gas sensing performance
本課題制備了wo3材料,並以它為基材,製作了三甲胺氣敏傳感器,研究了其對三甲胺的氣敏性能,尤其是低工作溫度下的氣敏性能,得到結果如下: 1 、本課題以鎢酸鈉和濃鹽酸為反應物,用溶膠凝膠法制備了納米wo3材料,並採用x射線衍射分析儀( xrd ) ,掃描電鏡( sem ) ,透射電鏡( tem )對該材料進行結構分析和形貌觀察,研究發現材料的微觀結構與氣敏性能緊密相關。When reacting with acid splitting products neutracid develops always a new active surface, that means constant efficiency. besides neutracid stops through its granulated structure uncontrolled boiling problems
和酸性物質反應后,除酸劑又會生成一種新的表面活性,意味著長期有效。另外, neutracid的分散體結構可阻止產生共沸現象。In environment water treatment aspect, there are professional technology staff who are working on environment protect and dedicate to transplant foreign advanced technology, meanwhile they develop acidity / alkalescence waste water treatment technologies and equipment, soft water desalination technologies and equipment, high effectual lime preparation and putting set, high effectual integration putting set, at the same time, develop gravity sand filters, bevel precipitate set, many series of filter set, super filter set, prevent infiltration set, cooling tower, large - sized frothing water tank, cleaning device etc. all these technologies and equipments are domestic leading level
環保水處理方面,有專業從事環保方面的技術專業人員,在從事多方面環境污染治理工作的基礎上,致力於消化移植國外先進技術,研製開發出酸性/堿性廢水處理工藝和成套設備、軟水脫鹽水工藝和成套設備、高效石灰乳制備及投加裝置、高效一體化加藥裝置,同時開發出重力砂濾器、斜板沉澱器、多種過濾器、超濾裝置、反滲透裝置、冷卻塔、大型鼓泡水箱、清洗裝置等單體設備,這些工藝技術與設備均居於國內領先水平。Abstract : the elemental principle and process of acid mine drainage containing sulfate which is treated by biological method are recommended in the paper. carbon source of sulfate reduction bacteria, reactors and packed material of reactors are reviewed
文摘:論述了微生物法處理含硫酸鹽酸性礦山廢水的基本原理和工藝過程,對硫酸鹽還原菌利用的基質碳源、硫酸鹽還原的反應器類型和反應器內載體介質類型進行了綜述。分享友人