tg-at 中文意思是什麼

tg-at 解釋

  • tg : Tg ＝type genus 【生物學】標準屬，模式屬。1. telegram. 2. telegraph.
  • at : 1 Air Transport（ation） 2 【電學】 ampere turn 3 antitank 4 Atlantic Time 5 alternative technolo...
  1. Mas precursor powders are prepared using aluminium sulfate, colloidal silica, and magnesium nitrate as raw materials via sol - gel methods, dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300

    以硫酸鋁、硝酸鎂和硅溶膠為原料，採用溶膠-凝膠法，制得mas先驅體粉末， xrd表明，該粉末經1300的熱處理后，完全轉變為堇青石。
  2. Therrnogravimetric analysis at heating rates 5, 10, 15 and 20 c / min was used to study the decomposition kinetics of the pdms / pma ipn in ni and in air by using tg and dtg, and the upper limit of the temperature was 700 c. it was found that ipn began to decomposite at 350 c. the process of the thermal degradation was multiple steps, the curve of the rate of thermal decomposition had two peaks, one of which lied between 400 c ~ 420 c and the other lied between 500 c ~ 540 c, the result corresponded to the components of ipn

    在熱分解動力學研究中，通過在兩種氣氛中，分別以5 、 10 、 15和20 min四種升溫速率條件下，採用tg - dtg聯動測試， ipn材料在350開始熱分解。熱分解速率存在兩個峰值，一個分解峰值在400 420之間，另一個在500 540之間，這與ipn結構中包含兩組分相對應，同時發現當緩慢升溫時，特別是在空氣氣氛中，兩個分解峰減弱，熱分解趨向於一個連續過程。
  3. After a series of reactions, an ester which is a derivative of ferrocene is obtained, then using the ester react with 1, 8 - naphthalenediamme, o - m -, p - phenyleiiediamine, ethylenediamine and 4. 4 ' - - biphenyldiamine respectively, polymer ( i ) ( ii ) ( iii ) ( iv ) ( v ) and polymer ( vi ) are obtained at the final part, we have discussed in brief the general properties of polymer ( i ) - { vi ) and analyzed systematically hnmr ir spectrum tg - dt diagram and molecular weight distribution of these polymers

    簡要討論了聚合物（ i ）一（ vi ）的一般性質，對聚合物的核磁共振譜、紅外光譜、 t （卜刃t圖以及分子量分佈進行了系統研究。本文對聚合物（ i ） 、 （ 111 ）和（硯）的核磁共振譜和紅外光譜進行了分析，研究結果表明:聚合物中的援基上的氧原子能與芳胺上的氫原子形成分子內氫鍵，使聚合物的分子內出現了一個平面六元環結構，並山于分子內氫鍵的存在
  4. And tg - dsc. 3. n, n ' - disalicylidenedianilines and its transition metal complexes of nicl2 6h2o are synthesized by liquid and solid state reaction at room temperature, and their thermochromism are investigated by ir, far i. r

    文中的配合物就是其中之一，中心離子是與c = n雙鍵的n原子以及苯環上鄰位的羥基的氧原子同時進行配位的。
  5. The measurement of on - line hv capacitive type equipments " tgd can get accurate information of insulation in time, and how to improve the accurate degree of on - line tg is still not solve by efficiency ways at present

    測量介質損耗角tg可以準確反映高壓電容型設備的絕緣變化情況，如何有效提高tg值在線監測的測量準確程度還有待進一步解決。
  6. The results indicated : the mechanical properties of pu prepared by added eg in a two - step process in prepolymerization technology were better than that of one - step process, its tg shifted 6 towards high temperatures ; the tan peak of pu material at low temperature disappeared through decompress boiling distilling technology

    結果表明，採用預聚體工藝並且分步加入eg所制備的聚氨酯彈性體具有較好的力學性能，玻璃化溫度向高溫方向偏移了6 ；採用減壓共沸蒸餾工藝制備的聚氨酯材料在低溫區的tan峰消失。
  7. For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect

    隨著合成溫度和時間的增加，產物的結構和晶型越趨于完善，但在1100得到的產物有燒結和晶粒增大的現象，恆溫時間超過24h后對材料的性能影響不是很大； li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ，尤其當li mn比為1 . 05 2時，所合成的材料具有較好的電化學性能；通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好，而兩段間隔合成法比兩段連續合成法處理的材料性能更佳；顆粒的粒度隨著球磨時間的延長而減小，比表面昆明理工大學碩士學位論文摘要卻增大，粒度小且分佈范圍窄的材料有利於鏗離子的擴散。
  8. When change the component of adhesive its shear strength increased from 39. 3 mpa to 53. 5 mpa at room temperature and it have long - term usage at 180 with 25 mpa and can be served at 230 in short period. the addition of liquid rubber resulted in a 300 % increase in the peeling strength. the addition of polymer ether imide led to a 260 % increase in the peeling strength, a 15 % increase in shear strength and a 10 increase in tg ( tg = 195. 54 )

    研究結果表明： bmi dds e ? 51 tde ? 85組成的膠粘劑體系的室溫剪切強度為39 . 3mpa ，當改變環氧樹脂的含量時，剪切強度提高到53 . 5mpa ；用無規羧基液體丁腈橡膠改性環氧樹脂膠粘劑時室溫剝離強度提高3 . 0倍；用聚醚酰亞胺改性環氧樹脂膠粘劑，室溫剪切強度最高可達45 . 2mpa ，剝離強度提高2 . 6倍，玻璃化轉變溫度tg = 195 . 54 ，比未增韌體系提高10以上；碳纖維耐磨材料與同步器圓錐環的粘接實驗結果表明，膠粘劑的使用工藝性能良好，滿足室溫剪切強度30mpa和180剪切強度12 . 5mpa的技術要求。
  9. The results of dsc - tg and xrd ( x - ray diffracton ) showed that prepared gels began to transform into the strontium titanates with perobskite - type cubic phase at 600 ? by a heat treatment and the reaction was completed proximately at 800 ?. the grain sizes were smaller than 51. 78nm using scherrer ' s formula

    Dsc - tg和x射線衍射分析的結果表明，在600左右時，開始有立方鈣鈦礦型srtio _ 3生成；反應在800左右基本完成，由scherrer公式計算，粉體的粒徑小於51 . 78nm 。
  10. Tg curves indicate, there were no detectable weight loss below 400 in any composition, the temperature at which weight loss becomes significant decreases, and the magnitude of weight loss increases with increasing sr content, but the onset temperature of weight loss increases and the amou nt of this loss decreases with increasing fe content

    熱重曲線表明這類材料在400以下未觀察到失重現象，隨著sr含量的增加，失重的起始溫度有所降低，但失重量反而增加；隨著fe含量的增加而增加，失重是源於晶格氧的解析，即與氧空位的生成有關。
  11. On the base of tg - dta, found the yb : kgw crystal has very good thermal stability under 1100, which has two obvious absorption peak at 1088 and 1025, contrast with the pure kgw crystal ( melting point at 1005, phase transition temperature from tetragonal system to monoclinic is 1075 ), we know the yb : kgw crystal ' s melting point is the absorption peak at 1088, phase transition peak from tetragonal system to monoclinic is the absorption peak at 1025

    利用tg - dta對所生長的yb ： kgw晶體測定說明，其在1100以下的熱穩定性是很好的。 yb ： kgw晶體在1088和1025有兩個明顯的吸收峰，判斷在1088處較寬的吸收峰是yb ： kgw晶體的熔點， 1025處的吸收峰是yb ： kgw晶體從四方晶系向單斜晶系的相轉變峰。
  12. The glass transition temperature ( tg ) of most polymers appears at either low temperature below room temperature ( such as rubber ), or high temperature above room temperature ( such as plastics ), which are not suitable for practical application

    由於高聚物的減振阻尼性能在很大程度上依賴于高聚物的粘彈性能，從而大大限制了高聚物減振材料的應用范圍。
  13. 7 department head has to check store and outside storage, and assure the items which at tg and outside storage already included in the control sheet

    各課長必須檢查賣場及外倉商品項目，並確定促銷臺及外倉商品已鍵入盤點控製表中。
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