熱劑反應 的英文怎麼說
中文拼音 [rèjìfǎnyīng]
熱劑反應
英文
thermit reaction-
In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。A bottom layer of nickel catalyst was provided to promote the endothermic reaction of steam and methane.
底層鎳催化劑促進蒸汽和甲烷的吸熱反應。The reaction is endothermic and requires high temperatures ( ~ 1, 000 ? ) to produce gasoline and other products ( including solid coke on the catalyst )
反應是吸熱的，所以要求極高的溫度去產生汽油和其它的產品，包括催化劑中的固體焦炭。When the design pressure of the reactor / regenerator is less than or equal to the design pressure of the main fractionator, or there is some absolute mechanical limit to the regenerator pressure ( plus the static head difference between the regenerator and reactor ) that is less than the main fractionator design pressure, the units do not need large relief valves on the main fractionator
當所設計反應器或交流熱換器的壓力小於或等於主分餾器，又或者有些機械上無可避免的限制（還有就是兩靜電頭的不同）小於交流熱換器的壓力，其時整個部件就不需要大的調劑電子管了。Optimum conditions for preparation of ca - based sorbent from hydration of ca 2, caso4 and fly ash
煙塵水熱化合反應制備鈣基脫硫劑工藝優化Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared
文摘:綜述了無甲醛免燙整理方面的研究，分析比較了乙二醛-酰胺類整理劑、水溶熱反應性聚氨酯、雙羥乙基碸、天然高聚物殼聚糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多羧酸化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足Thermit reaction, a embranchment of shs, uses the natural oxide as a low cost raw material, which has more prominent economic profits than the direct - compounded material with elements
摘要熱劑反應是自蔓延高溫合成反應的一個分支，它採用成本低廉的天然氧化物作原料，比元素直接合成材料具有更顯著的經濟效益。The alloyed self - propagating high - temperature synthesis technology has been investigated in this paper, by which ceramic lined compound pipes can be produced. after active carbon powder and alloy steel powder are added to the thermit, the self - propagating high - temperature synthesis reaction starts. the effect of carbon and alloy elements on the interlayer of the compound pipes has been studied
本文研究了合金化自蔓延陶瓷內襯復合鋼管製造技術，即在鋁熱劑中加入活性碳粉或合金鋼粉末，進行自蔓延高溫合成反應，分析了碳和合金元素對復合鋼管過渡層的影響。This paper expounds the application of thermit and magnesium thermit as two representative thermit reactions in industry and lab fields and the development of thermit reactions, and then puts forward the shortages of the study on thermit reactions and the questions remained to research further
通過對工業和實驗中最具代表性的兩種熱劑反應鋁熱劑與鎂熱劑反應研究及應用的介紹，闡述了熱劑反應的發展狀況，並指出了熱劑反應研究的不足和有待進一步研究的若干問題。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。The binding principle in pelletizing covers a comprehensive model of interfacial reaction among particles inside green pellets, the formation of binding film during hardening of green pellets by baking to obtain enough strength for a volumetric catalyzed reduction model for cold - bound pellets bearing composite binder and corresponding high temperature reduction system in rotary kiln
提出了含復合粘結劑的生球強度界面作用力綜合模型，冷固球團礦強度的粘結膜機理，含復合粘結劑的冷固球團礦催化還原體積反應機制及全窯高溫快速還原熱工制度。Charcoal making is a process for separating wood and bamboo into its solid, almost pure carbon component and its volatile liquid component by means of a chemical reaction known as thermal decomposition
燒成的炭可成為一種用途廣泛的資源，如地下調濕炭，土壤改良劑等等。這種燒炭方式把木材竹材通過熱分解化學反應將固體成分的炭素和水分分離開來。In - situ ticp / fe composites were prepared by reaction cast method with induction heating, crucible smelting and covering agent
採用反應鑄造的方法，利用感應加熱、坩鍋熔煉及使用覆蓋劑保護，制備原位tic _ p fe復合材料。Soluble in water and many organic solvent, owning good lubricity and thermal stability, almost having no toxicity and excitability, being able to occur esterification reaction and etherification reaction with other compounds
能溶於水和多種有機溶劑，有優越的潤滑性及熱穩定性，幾乎沒有毒性和刺激性，可與其他化合物起酯化、醚化反應。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。The suitable steaming and support treatment on zeolite beta can obviously increase the hydration activity of catalysts, and the introduction of sillica enhances the steaming stability of zeolite beta
對沸石進行水熱處理和不同粘合劑改性，能提高其丙烯水合反應活性；氧化硅的引入能明顯提高催化劑的活性和水熱穩定性In the thermal reactor it promotes corrosion, and in the catalystic reactor it tends to poison the catalyst.
在熱反應器中，它促進腐蝕，在催化反應器中，它能使催化劑中毒。Using v2 & 5 and alkylamines ( cs - cao alkyl chain ) as precursor, vanadium oxide nanotubes which have an unique structure that alkylamines intercalate into layers of tubes wall affecting the layer spacing were prepared. their layers spacing ranges from 1. 25 nm to 3. 82 nm according to the length of alkyl chain. moreover, the growth mechanism of vanadium oxide nanotubes have been investigated and 3 - 2 - id model was established to interpret the vanadium oxide nanotubes growth process. potassium niobate is a functional materials which can be used as photochemical catalysts. lt is well known that the catalytic activites are affected greatly by the surface area of catalyst particles on which the reaction take place
以系列烷基胺和五氧化二釩為原材料，通過簡單的水熱反應合成出了氧化釩納米管，這種納米管結構獨特，烷基胺作為模板劑內嵌入納米管管壁層間，成為支持納米管的骨架，並影響層間距大小，納米管管壁層間距隨著烷基胺碳鏈長度的不同在很大范圍內變化，通過採用不同碳鏈長度的烷基胺（ c _ nh _ （ 2n + 1 ） nh _ 23 n 20 ）作為模板，來控制氧化釩納米管的層間距，層間距可調控范圍從1 . 25nm到3 . 82nm 。Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料，在此基礎上分析了原位復合材料的微結構，進行了干滑動摩擦磨損和電接觸滑動磨損實驗，完成的主要工作如下：從熱力學的角度出發，分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件，並用電解銅、工業純鈦、 b _ 2o _ 3 、 c （還原劑）以及cu - ti 、 cu - b等合金為原料，通過控制適當的反應溫度、反應時間和快速凝固等工藝手段，制備了cu -納米tib2原位復合材料。So while flu shots are good at boosting previous immunity in healthy people who have caught flu before or been inoculated many times, more immune - naive babies and preschoolers may need that more flulike nasal response, belshe said
因此當在未感冒之前或曾經多次接種過的健康人身上注射流感疫苗時常引起免疫性的發熱表現，因而免疫系統未發育完全的嬰兒或學齡前兒童或許更需要向鼻部噴霧劑反應的流感疫苗。分享友人