higher synthesis 中文意思是什麼
higher synthesis
解釋
高級綜合-
The main work and the conclusion of the article are : ( 1 ) give a suggestion on the reaction mechanism and the principle of catalyst selection. ( 2 ) by comparison of the catalyst activity of solid superacid with the zinc oxide, stannous chlorde and tin ( ii ) octate in the synthesis reaction. we find that although its activity is lower than tin ( ii ) octate, obviously higher than that of traditional zinc oxide and stannous chlorde. from the point of preparation cost, we select solid superacid as catalyst
但從催化劑的制備成本和工藝的角度選擇，固體超強酸具有明顯的優勢； （ 3 ）制備一系列單組元和雙組元硫酸促進氧化物固體超強酸，並用於丙交酯的合成反應，篩選具有最佳活性的固體超強酸催化劑： （ 4 ）使用so2 - 4 / zno - sno2 （ 2 ： 1 ） la3 +固體超強酸作催化劑，反應脫水時間1 -
Synthesis of higher molecular weight pan polymers in dmso h2o
混合溶劑法合成高分子量聚丙烯腈 -
At lower concentration but has inhibiting effect at higher concentration. lanthanum treatment has significant influence on its chlorophyll a synthesis and oxygen - produced activity. it can also be concluded that lanthanum can be accumulated by
鑭對滿江紅魚腥藻的葉綠素a的合成光合放氧活性也有影響，同樣表現為低濃度促進，高濃度抑制。 -
But in s. mycarofaciens, there is no distinctive propionate kinase, so that the utilization rate of propionic acid is lower than that of acetic acid. for this reason, it is hoped that the higher producers would be obtained by protoplast interspecies fusion between s. mycarofaciens and s. erythreus, which would transfer propionate kinase of s. erythreus to s. mycarofaciens. therefore, the fusion cells could use propionic acid as precursor in synthesis of mdma _ ( 1 ), which would reduce the production costs
根據文獻報道，紅黴素鏈黴菌中的丙酸激酶對丙酸的利用率是對乙酸的利用率的13倍；而在生米卡鏈黴菌中，無特異的丙酸激酶，菌體對丙酸的利用低於對乙酸的利用，因此希望利用原生質體種間融合的方法將紅黴素鏈黴菌的丙酸激酶基因轉移到生米卡鏈黴菌中，從而使融合子能夠利用丙酸鹽作為合成mdma _ 1的前體，提高mdma _ 1的產量，降低生產成本。 -
Such specific mechanisms affecting enzyme synthesis have not yet been established in higher plants.
這種影響酶的合成的特殊機理至今在高等植物中還未搞清。 -
The characterization on those nano sulfide qds are also presented in the thesis. as nanoparticles with core shell structure have much higher fluorescence quantum efficiency, base on cds of synthesis, some efforts have also been put into the experiment on synthesis of cds / zns core - shell particles
由於具有核/殼結構納米顆粒能夠實現較高熒光量子產率，在納米cds量子點制備的基礎上，本文對核/殼結構cds / zns量子點的制備工藝進行了初步的探索研究。 -
Platinum group metals and their alloys have been extensively employed in energy conversion and green synthesis as electrocatalysts owing to their high catalytic activity. pt group metals at nanometer scale have attracted much attention worldwide because of their higher catalytic activity and better properties
Pt 、 ru 、 pd 、 rh等鉑族金屬以及它們的合金通常具有良好的催化性能，作為催化劑材料被廣泛地應用於能源轉化、綠色合成等重大領域。 -
The injection - locking technology, characterized by the frequency stabilization, amplification, modulation and etc, has been widely used in the small - signal recovery, frequency synchronization, power synthesis, phase modulation and etc in the microwave, millimeter wave and higher frequency range communication and phased - array systems
注入鎖定技術具有穩頻、放大、調制等特性，已被廣泛應用於微波毫米波以及更高頻段通信和相控陣系統中的小信號恢復、頻率同步、功率合成、相位調制等。 -
The technology of frequency synthesis is important in latter - day communication system. it ’ s widely used in wireless communication and electron system. with the high - speed development of technologies, higher stability, higher purity, broader range and larger output number of frequency are required in the frequency source of frequency synthesizer which is the core of this technology
頻率合成技術是近代通信系統的重要組成部分，在無線電通信與電子系統的各個領域中得到了廣泛的應用。隨著各種技術的飛速發展，人們對頻率合成器的頻率穩定度、頻譜純度、頻率范圍和輸出頻率的個數提出了越來越高的要求。 -
Abstract : sewage sludge briquette made of 2 % ( dry basis ) sewage sludge, 0. 3 % white earth, and coal powder was studied under conditions of briquette similar to modeling and gasificaition for briquette on ammonia synthesis. briguette with white earth was taken as a reference. the results showed that rate of gasification of sewage sludge briquette was 50 % higher than that of briquette of white earth at 1100. ash melting point of sewage sludge briquette reached 1440 which satisfied the requirement of gasification of ammonia synthesis. results showed that no pollution took place in these processes, and the gas generated can meet the demand of ammonia synthesis
文摘:以污泥添加量為2 % （干基）白泥添加量為0 . 3 % （干基）所制得的污泥型煤為研究對象，以白泥添加量為5 . 5 %的白泥型煤作為參照，考察了污泥型煤的氣化特性和二次污染.研究結果表明，在1100以上高溫下，污泥型煤的氣化速率比白泥型煤高50 %以上；污泥型煤的灰渣軟化溫度達1440 ，能滿足合成氨氣化要求；污泥型煤無二次污染，其氣化成分符合合成氨原料氣的要求 -
The resistance of electrostatic filter is lower than hepa by comparing. finally, the synthesis performance of new system with electrostatic filter is higher than three - class filter system by fuzzy appraisement method
最後通過模糊評價方法來綜合評價裝配式潔凈室的整體性能，比較得出裝管道式靜電吸附過濾器的新系統比傳統的三級過濾系統的整體性能好的多。 -
Abstract : this paper introduces a new class f epoxy glass - cloth laminate. the synthesis of a epoxy adhesive and the production process were studied. the properties of the laminate were compared with those of some similar products abroad. the results show that the laminate has higher adhesive strength 、 resistivity in moist conditions 、 dielectric strength and mechanical strength in higher temperatures. it is applicable for electric equipments, especially those to run in higher moisture or higher temperature conditions
文摘:本文介紹了最近開發成功的一種新型f級耐高溫層壓板，研究了環氧樹脂膠粘劑的合成，層壓板的製造工藝及其性能，並與國外同類產品進行了對比，結果表明，它具有粘接強度、浸水后絕緣電阻及耐電壓、高溫機械強度高等特性，可用作大型高壓電機、輸變電設備以及核電工程、低溫高真空工程中絕緣結構材料，尤其適用於高電壓、高溫、高機械強度的工作環境。 -
The suck - wind machine need to intake a lot of wind in the synthesis ammonia section transform furnace, the quantity is at l 00000nm ' / h, so the diameter of the wheel is about 1 meter. the motor driving it need higher power for meeting the startup torque
負壓運行爐的引風機要求吸風量大，一般都在100000nm 』 i以上，因此風機輪毅直徑設計的都較大，大都在1米以上，這樣為了克服風機的大啟動力矩，風機所配置的拖動電機功率也非常大。 -
The genes encoding enzymes that are needed during the anthocyanin synthesis are conservative in many higher flowering plants, especially among plants that have near relative
在許多高等開花植物中，尤其是在進化上親緣關系比較近的物種，花青素合成各步驟所需酶的結構基因高度保守。 -
Abstract : this article reports a study on the synthesis and propertiesis of thioethers bi - equivalent magenta couplers. experiments carried on color negative film and color paper showed that these bi - equivalent couplers perform higher photographic activity and higher stability compared with conventional quadra - equivalent magenta couplers and are also different from dir couplers
文摘:本文敘述硫醚類二當量品紅成色劑的合成和性能研究，經彩色膠卷和彩色相紙應用試驗，與四當量成色劑比較，有著更高照相活性與穩定性，並說明了與dir品成色劑的區別。 -
Gibberillin content of shoot apices in plant was 5 times higher than that of control after ga treatment. cold treatment promoted synthesis of endogenous ga. the content of ga in seedlings at cotyledon stage, shoot apices and leaves of seedlings were 4 times, 2. 5 times and 170 % as much as control after cold treatment
外源赤霉素處理使植株莖尖的赤霉素含量達到對照的5倍多；低溫處理促進內源赤霉素含量的增加，萌動種子和幼苗低溫處理后子葉期幼苗和幼苗的莖尖、葉片分別比對照和低溫處理前增加了3倍、 1 . 5倍和70 。 -
Results the new synthesis benzene nitrogen mustard glucoside derivate is much lower toxicity to normal cellsd and much higher toxicity to 7721 cells compared with nitrogen mustard, meanwhile it induce the apoptosis of 7721 cells by the fcm
結果新合成的葡萄糖苯氮芥衍生物對正常細胞毒性較小，對7721有明顯的細胞毒性，且通過流式細胞儀顯示其誘導細胞凋亡。 -
At the same time, research effort is going into higher - level hardware synthesis methodologies for reconfigurable computing that can exploit pld technology
與此同時，研究人員則努力研究使用fpgas技術的可重新配置計算的硬體合成方法論。 -
Microwave synthesis is particularly interesting due to its high efficiency, leading to drastically reduced reaction times, higher yield and purer products
微波合成技術以其高效、省時、高產量和高純產品而受到特別青睞。 -
The results of native - page showed that the male fish could synthesis vitellogenin after the injection of 0. 05mg g " ' bw of 17 - estradiol for two weeks. the average content of vitellogenin in ej exposed group was 690. 2ng ml - 1 by elisa, it was significantly different from male control group ( p < 0. 01 ), which average content was 10. 7 ng ml - 1, and it was also much higher than the female control group, which average content was 285. 5 ng ml - 1. compared with control male goldfish, both the ca2 + content and total protein content in serum of the e2 exposed male goldfish showed significant increase
電泳結果表明，經過2周的17 ?雌二醇暴露，誘導雄性金魚產生了卵黃原蛋白，並通過elisa檢測卵黃原蛋白的平均含量為690 . 2ngml ~ （ - 1 ） ，和對照組雄性金魚平均含量為10 . 7ngml ~ （ - 1 ）的差異極顯著（ p 0 . 01 ） ，比雌性對照組檢出量285 . 5ngml ~ （ - 1 ）高1倍多，並且17 ?雌二醇可以誘導雄性金魚血漿鈣離子和血漿總蛋白含量增加。
分享友人