starting materials 中文意思是什麼

starting materials 解釋
初就業者資源
  • starting : n. 出發;開始;【機械工程】開動,起動;開車。 at starting 最初,開頭。 starting material 原材料。 starting motor 起動電動機。
  • materials : 版本
  1. On the other hand, the prepared nanocrystalline powders were used as the starting materials to explore alterative membrane preparing techniques whose methods are cost - effective, easy, simple, as well as high quality and efficiency of the membranes

    本論文發明了濾塗成膜工藝,提出了改進型的干壓成膜工藝,並進一步製成單電池,研究了電池的輸出性能。
  2. Synthesis with carbocyclic compounds, such cyclodienylsilane, quinic acid and norbornene, etc, as starting materials is discussed in detail

    重點介紹了以環二烯基硅烷、奎寧酸、降冰片烯等碳環化合物為原料合成碳環糖的進展。
  3. The two starting materials have the same skeleton.

    這兩個起始原料有同樣的骨架。
  4. Standard guide for characterization and testing of alginates as starting materials intended for use in biomedical and tissue - engineered medical products application

    生物醫學和組織工程醫學產品用的作為原材料的藻酸鹽的特性和測試標準指南
  5. By using coal pitches and green petroleum coke as starting materials, the mixture of sulfuric acid and nitric acid as oxidizing agent, effects of the properties of starting materials and the processing conditions on the yield of were aqua - mesophase have been investigated

    以煤瀝青和石油生焦為原料,以濃硝酸和濃硫酸混合物為氧化劑,對炭質原料性能與水性中間相的產率之間的關系以及工藝條件對水性中間相產率的影響進行了研究。
  6. The magnesia - alumina spinel is synthesized by using high - quality bauxite and active magnesia as starting materials and calcined at high temperatures. the spinel has high density and low water absorption rate

    本品採用優質鋁礬土與活性氧化鎂合成,經高溫煅燒,體積密度大,吸水率低,是冶金建材行業理想的原料。
  7. This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable

    傳統的合成方法是高溫固相反應,由於灼燒溫度高、灼燒時間長,形成硬團聚體,產物粒徑較大,一般為m級,需進行球磨粉碎以減少其粒徑,很難制得均相、均一粒度分佈的氧化物粉體,在研磨過程中容易引入雜質且晶形破壞使得發光亮度減小。
  8. The paper introduces a new highly - effective synthesis method. decoquinate was synthesized with catechol as starting materials via substitution, reduction, and at last cyclization with " dowtherm a " as solvent

    摘要以鄰苯二酚為原料,通過一系列取代反應,再經過還原、縮合,最後在高沸點的混合有機溶劑中關環。制備的3 -喹啉羧酸乙酯衍生物的總收率為24 . 2 % 。
  9. 3. when table sugar was used as starting materials, it was used and pyrolyzed directly or was first mined with sulphuric acid after surface area of those materials is not larger than that of pas capacity is small in their electric double - layer capacitor, specific surface area has great effect on capacity, the larger specific surface area is, the higher capacity is, . but bulk density will decrease with increase of specific surface area

    當以食糖為熱裂解碳的原料時,採用直接焦化和酸洗焦化兩種方式。所制備的樣品比表面積沒有聚並苯材料的大,在以30 h _ 2so _ 4為電解質的雙電層電容器中,容量相對較小。電極活性物質的比表面積對雙電層電容器的容量有很大的影響。
  10. In the production process of beta - cypermethrin, the overall yield was improved from 60 % to 93 % and the content of the final product was increased from 90 % to 95 % by optimizing technical conditions in the aspects of various starting materials, temperature control, reactant ratio, the mode of discharge, stir type, stir speed and etc

    摘要在高效氯氰菊酯的生產過程中,通過不同原料合成氯氰菊酯的選擇、溫度控制、投料比、出料方法、攪拌類型及轉速的選擇等方面的工藝探索,產品收率由60 %提高到93 % ,含量由90 %提高到95 % 。
  11. The reaction pathway and the structure of final products were found to depend on the structure of starting materials and the mechanism was proposed

    提出了可能的反應機理,起始鹵代膦烯的結構決定了反應歷程和最終產物的結構。
  12. The other has two metal - insulator - semiconductor ( ms ) contacts with lower leakage current ( less than 4 pa, 300v ) and better energy resolution ( about 10 % fwhm for 241am 59. 5kev line ) and poor working stability. in theoretical studies, the analysis on the phase equilibrium in the vapor growth of cdse single crystals shows that the stoichiometry of cdse crystals can be controlled effectively by controlling the stoichiometry of starting materials and the vapor growth temperature. besides, the investigation of the transporting properties of charge carries in cdse detectors indicates that the noise in energy spectrum detected by using the detectors with msm structure is caused by the hole injection, which is induced by electron injection and the light injection

    本文把cdse單晶體的生長、單晶體的成分、單晶體的性能以及單晶體在室溫核輻射探測器中表現出來的性能結合起來進行了比較系統的研究;採用垂直無籽晶氣相提拉法生長出了電阻率為10 cm量級、尺寸為中10mm 30mm的單晶體;制備出了能量解析度達10 ( fwhm ) (對~ ( 241 ) am59 . 5kev譜線而言)的cdse室溫核輻射探測器,取得了較好的研究結果。
  13. An organ phosphorous pesticide, 4 - ( methylthio ) phenyl di - n - propyl phosphate ( propaphos ), and intermediates, di - n - propyl phosphite and di - n - propyl chlorphosphate, were synthesized by using n - propanol, phosphorus trichloride, 4 - ( methylthio ) phenol, etc. as starting materials

    摘要以正丙醇、三氯化磷、 4 -甲硫基苯酚等為原料,合成有機磷殺蟲、殺菌劑丙蟲磷以及中間體二正丙基亞磷酸酯等。
  14. Standard guide for characterization and testing of chitosan salts as starting materials intended for use in biomedical and tissue - engineered medical product applications

    作物生物化學和組織工程醫療產品原材料的脫乙酰殼多糖鹽的表徵和試驗標準指南
  15. Special emphasis has been given to the synthesis and characterization of reactive, functionally - terminated siloxane oligomers, which are the key starting materials or intermediates in the preparation of the well defined block or segment copolymers and play an important role in these reaction systems

    反應性矽氧烷是制備有機矽的嵌段或接枝共聚物的關鍵起始原料和反應中間體,在共聚物的形成中起著重要的作用。
  16. Abstract : highly substituted cationic starch was prepared by microwave radiation in dry process. in this preparation, starting materials mixed with high speed stirres, potassium hydroxide used as catalyst and discontinuous heated by microwave radiation at temperature 60 85 to give 0 35 0 50 degree of substitution cationic starch the conversion of cationic reagent reached 95 the product is soluble in water it is pasted when it meets water

    文摘:微波干法制取高取代度的陽離子澱粉,用高速攪拌機混合物料,氫氧化鉀做催化劑,間歇式微波介電加熱溫度不超過85 ,陽離子試劑的轉化率可達95 ,產品取代度0 35 0 50 ,常溫下遇水糊化,在水中有較好的溶解性。
  17. Mirtazapine was prepared by a seven - step reaction, namely nucleophilic ring - opening reaction, chlorination, cyclization, uncleophilic substitution, hydrolysis, reduction and cyclization from styrene oxide and n - methylethanolamine as the starting materials, with overall yield of 22. 6 %

    摘要以環氧苯乙烯和n -甲基乙醇胺為起始原料,經親核開環、氯代和環合反應得到中間體1 -甲基3 -苯基哌嗪。
  18. All of 19 amino acid thiohydantoins were synthesized by using free amino acids as starting materials, acetic anhydride as the carboxyl group activating reagent and tms - itc as the derivatizing reagent. the proiine thiohydantoin was prepared by using ammonium thiocyanate ( n114scn ) as the derivatizing reagent

    本文以l -氨基酸為原料,採用乙酸酐作活化試劑, tms - itc作為偶聯試劑,制備了19種th - aa ,另外th - pro的制備是用nh _ 4scn作為偶聯試劑獲得成功的。
  19. Standard guide for characterization and testing of hyaluronan as starting materials intended for use in biomedical and tissue engineered medical product applications

    生物醫療和組織工程醫療產品中使用的作為初始材料的透明質酸鹽的表徵和試驗標準指南
  20. Combined core - shell method with scm, pmw - pnn - pt ceramics with core - shell structure, which have excellent dielectric temperature stability, were successfully prepared. the new mechanism of improving temperature stability of dielectric properties was put forward. the main contents are lis ted as bellows : in the systems of pmn - pt, the effects of the chemical reactivities of the starting materials such as soluble mg - salts instead of mgo, pb - salts instead of pbo and ti ( oc4h9 ) 4 instead of tio2 respectively on the formation of perovskite phase were investigated in detail

    Scm法與cpm法的工藝相比,工藝簡單,預燒溫度和燒結溫度低,反應時間短;陶瓷緻密,介電性能比cmo法和cpm法明顯得到改善,而且在沒有pt存在時,仍可制得純鈣鈦礦結構的pmn基、 pnn基、 pfw基陶瓷。
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