type reaction 中文意思是什麼
type reaction
解釋
典型反應-
Furbenicillin sodium, a known semi - synthetic ureide type of antibiotic firstly marketed in china, was synthesized from starting material 2 - furaldehyde via six steps including oximation reaction, beckmann rearrangement, isocyannuration, amination, condensation and salification etc
摘要以呋喃甲醛為起始原料，經厲化、貝克曼重排、異氰脲酸化、氨基化、縮合和成鹽6步反應，合成了酰脲類青霉素抗生素呋布西林鈉。 -
The type of granulation of the ammonium nitrate used is significant in controlling the rate of reaction, and especially the induction time.
所用硝酸銨的顆粒類型，對于控制反應速度，特別是誘導期，是很重要的。 -
New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded
闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展；同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。 -
In this paper, 45 e. coli strains isolated from chicken farms in sichuan province were determined to be the pathogenic e. coli by animal test. type 1 pili of 45 strains isolated was detected by msha. the pila gene of 45 avian pathogenic e. coli strains were amplified by the polymerase chain reaction ( pcr ) with primers designed according to the sequence of the pila gene in genbank. results showed that pcr was more sensitive, faster and more characteristic than msha to detect type 1 pili
本研究將從四川規模化雞場分離鑒定、經1日齡雛雞致病性試驗得到的雞源致病性大腸桿菌45株，採用d -甘露糖敏感血凝試驗（ msha ）檢測1型菌毛，根據genbank中公布的人源大腸桿菌1型菌毛pila基因序列設計一對引物用pcr擴增雞源致病性大腸桿菌1型菌毛pila基因。 -
Fe3o4 nano - particles, which can be dispersed in nano scale, were prepared by means of chemical co - precipitation method. such influencing factors as the type of precipitant, the feeding mode, the surfactants, the reaction temperature, the curing temperature were surveyed. some properties such as crystal structure, particle size, magnetic properties and iron content were characterized
深入探討了沉澱劑的種類、加入方式、表面活性劑、反應溫度、熟化溫度等各種因素對產物的粒徑及磁性能的影響，對fe _ 3o _ 4納米粒子進行了晶體結構、粒徑、磁性能、鐵含量等性能的表徵。 -
Preliminary study on the reaction of diosane lignin and - o - 4 type lignin ortho - quinone model compound with hydrogen peroxide
4型鄰醌木素模型物與過氧化氫反應的初步研究 -
While the concentration of the iodine is o. oim and the reaction time is 60s, the thickness of silver iodide film is about 0. 7um. in this condition, the silver iodide has two crystal types, the main type and few y type, and the transmission efficiency reaches the maximum
在碘化濃度為0 . 01m （ i _ 2的ccl _ 4溶液） ，碘化時間為60s左右，碘化銀的晶型主要為和型，其中型較多，膜厚約為0 . 7 m ，此時空芯光纖的傳輸率最高。 -
The temperature change during reaction of n - type metal oxide gas sensor
型金屬氧化物氣敏元件的反應溫變 -
Theory of reaction kinetics and statistical distribution of point defect of n - type metal oxide
型金屬氧化物點缺陷的統計分佈 -
Deamination a type of chemical reaction in which an amino group ( nh2 ) is removed from a compound
脫氨基作用：從有機化合物上除去一個氨基（ nh2 ）的一類化學反應。 -
Prevention of explosive type fire which reaction is out of control
液化石油氣火災爆炸事故類型分析 -
Two kinds of wo3 powder are prepared by sol - gel method and gas - phase reaction method with tungsten filament, and heater type gas sensors to trimethylamine are made. under different work temperatures, these sensors ’ sensitivities are measured, and the result indicates that wo3 by sol - gel has better gas sensing performance to trimethylamine. at the same time, the wo3 - based gas sensor to trimethylamine can work at low temperature, which
3 、本課題對不同摻雜的wo3材料進行了研究，發現摻雜3 % pd的wo3基氣敏元件在150ppm三甲胺氣體中，最佳工作溫度僅為85 ，該溫度下元件最高靈敏度可達11 . 7 ，並且元件的靈敏度隨tma濃度的升高而變大，這表明摻雜pd的wo3材料在低溫下對tma氣體有很好的響應。 -
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。 -
The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment
本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手，得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。 -
The lattice parameter, a0, and fwhm of the uo2 + x ( fluorite type ) decrease initially and stabilize later as the increasing of reaction times at 200. the uo2 + x is progressively replaced by u3o8 as the oxidation proceeds at 300
200條件下，金屬鈾表層所形成的氟化鈣結構的uo _ （ 2 + x ）的點陣參數a _ 0和fwhm隨著氧化時間的增加逐漸減小，然後出現穩定。 -
Since the magic number 28, which is the first that requires the introduction of a strong spin - orbit interaction belongs to the if2p shell in the nuclear shell model. so the nuclei in the if2p shell have been a research hotspot in nuclear physics. the doubly odd nucleus 64cu which is also in the if2p shell has been the subject of many experimental investigations previously via various type of nuclear reaction such as 64ni ( p, ny ) and its excitation leveles have been already studied to about 8 mev
放射性核素~ （ 64 ） cu是奇奇核，屬於1f 、 2p殼層，而在原子核殼模型中，第一個需要引入強自旋-軌道藕合才能出現的幻數就在1f 、 2p ? ?殼層，因此if 、 zp殼層一直是核物理領域的研究熱點，近三、四十年來使用了各種不同類型核反應例如『 4ni … ， fly ）等反應，對『 ll激發態性質進行了廣泛的研究，其激發能級已到了smev左右。 -
The influence of monomer mass ratio, reaction temperature, reaction time, emulsifying agent content and mixing speed on polycarboxylic acid type waterproofing agent were studied in this article
本文研究了單體質量比、皂化反應溫度、皂化反應時間、乳化劑摻量、攪拌速度等工藝參數對多元羧酸系防水劑性能的影響。 -
This paper designs molecular structure of organic water - repellent admixture. we choose carboxylic acid that possesses amphiphilic molecular structure and sodium carbonate and potassium hydroxide as important raw materials. they carry through soaps turns reaction to synthesize polycarboxylic acid type waterproofing agent
本文通過對有機質防水劑分子結構設計，選擇具有兩親結構的羧酸（酸a 、酸b ） 、無水碳酸鈉、氫氧化鉀為主要原材料，通過皂化反應，合成多元羧酸系防水劑。 -
6. the plant is comparatively sensitive in two leaves period. so we can use the dose reaction to so2 in two leaves period as the injury threshold value to classify resistant ability type
6 .植株在2片真葉期對50 :比較敏感，因此可以採用植物在2片真葉期對50 :的劑量反應作為受害閡值來劃分抗性類型。 -
Study on the optical properties of transparent epoxy / clay nanocomposites a new type transparent epoxy based nanocomposites has been prepared by the reaction of alkylammonium exchanged montmorillonite ( amt ) with diglycidyl ether of bisphenol a ( dgeba ) and triethylamine as the curing agent. the morphology of amt in the epoxy matrix was characterized with x - ray diffraction ( xrd ), scanning electron microscopy ( sem ) and transmission electron microscopy ( tem )
光學透明環氧樹脂粘土納米復合材料光學性能採用十八烷基伯胺鹽、十六烷基三甲基溴化胺處理na基蒙脫土製備出兩種不同的有機土，以三乙胺為固化劑，有機土與雙酚a型環氧樹脂熔融插層聚合后制備出剝離型和插層型兩種結構的環氧樹脂粘土納米復合材料。
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