環合 的英文怎麼說
中文拼音 [huángě]
環合
英文
cyclization-
The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area
西安理工大學碩士學位論文最後，在visualfortran環境下給出了這種演算法的具體實現，處理模擬粒子圖像的結果與模擬數據比較吻合，最大位移絕對誤差在x方向是0 . 6671像素，在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法（基本的互相關法）在絕大部分點是相同的，只在少數點相差一個像素，而且大多出現在邊界區域。Acclimation of lamina mass per unit area, photosynthetic characteristics and dark respiration to growth light regimes in four tropical rainforest species
光合特性和暗呼吸對生長光環境的適應Synthesis of d - 1 - acetyl - 1, 2, 2, 3 - tetramethylcyclopentane
四甲基環戊烷的合成改進The scientists mimicked a space environment by freezing the mixture to temperatures close to absolute zero, then exposing it to harsh ultraviolet radiation
科學家模擬太空環境，首先將混合物降溫，直到接近絕對零度后，以強烈的紫外線照射混合物。Acceptance tests for combined - cycle power plants
聯合循環發電機組驗收試驗This article introduces the corrosion harm of hydrochloric acid mist to the surrounding environments around desalinated - water stations, reasons for the production of acid mist and some corresponding preventing and controlling measures such as rebuilding the acid storage tank, airproofing the neutralization pond, correctly configuring the acid mist absorber and strengthening the management of unloading installations
摘要鹽酸酸霧對除鹽水站周邊環境的腐蝕危害極大，分析了酸霧大量逸出的原因，並從鹽酸貯罐改造、中和池密閉運行、合理配置酸霧吸收器以及加強卸車環節管理等方面提出了相應的防治措施。It is widely used in pharmaceutical, perfumery, leather and chemical industry ; as compound cyclizing agent in organic synthesis, acidifier and dehydrant ; as substitute of ortho - phosphoric acid
多聚磷酸廣泛用於藥香料皮革化工等行業，在有機合成中用作化合物環化劑酸化劑和脫水劑，另外還可作為正磷酸的代用品等。The technical character of two kinds of chemical synthesis process from ethylene oxide and acrolein as raw material to produce 1, 3 - propanedi - ol as well as compared with the production process which using glycerol and glucose biological produce 1, 3 - propane - diol is analyzed
重點分析了以丙烯醛和環氧乙烷為主要原料的兩種化學合成工藝的技術特徵，並與以葡萄糖甘油為原料、生物法和一1 ， 3 -丙二醇的生產工藝進行了對比。Synthesis of a new type of uv curable tmaepoxy acrylic resin
環氧丙烯酸酯樹脂的合成6 5 = 27. 8 %, o r = 74. 3 % iacso the second, above alloys not only have good strength and conductibility at room temperature but also have good strength at high temperature. bar alloy can hold o b = 274mpa and o o2 = 250mpa at 350 ? while end ring alloy can hold o b = 200mpa and o 02 = l65mpa at350 ?
研究合金不僅在常溫具有很好的強度和導電性，而且具有較高的高溫強度，導條合金在350時b仍保持在274mpa左右， 0 . 2仍保持在250mpa左右；端環合金在350時b仍保持在200mpa以上， 0 . 2仍保持在165mpa以上。Diazaspiro [ 4. 4 ] nonane was synthesized from malononitrile as the starting material by a series of nucleleophilic displacement, hydrolytic cyclization and carbonyl reduction
摘要以丙二腈為原料，經過親核取代、水解環合、羰基還原系列反應，合成了2 ， 7 -二氮螺[ 4 . 4 ]壬烷。Lorazepam was synthesized by the following seven steps : condensation reaction ( 1 ), condensation reaction ( 2 ), cyclic reaction, ring expanding reaction, acylate reaction, hydrolysis reaction and refining
摘要詳細設計了勞拉西泮的合成路線，主要過程有縮合反應（一） 、縮合反應（二） 、環合反應、擴環反應、酰化重排反應和水解反應。Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy. using hardness measurement, tensile test at room and higher temperature, electrical resistance test at room and higher temperature, optical microscopy, xrd, sem, and tem, the mechanical and electric properties and the microstructure of above alloys at different treatment were studied. them were also analysed and explained in theory
採用鑄錠冶金法制備了大功率異步牽引電動機轉子用導條合金和端環合金，通過硬度測試、室溫拉伸、高溫拉伸、電導率測定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工藝和熱處理工藝對上述合金力學性能、導電性能及其組織結構的影響和變化規律，並從理論上進行了分析和解釋。The reaction of ethyl allylacetoacetate with polyfluoroalkyl iodides under similar conditions gave the corresponding adducts, which were sequentially treated with base to the cycization products
在相同條件下，烯丙基乙酰乙酸乙酯與多氟烷基碘代烷反應得到相應的加成物，加成物隨後用堿處理也得到環合的產物。N - cyclohexylmaleimide was synthesized by dehydration and ring closure of n - cyclohexylmalemic acid in the presence of a catalyst consisting of a mixture of sulfuric acid and triethylamine
摘要用濃硫酸和三乙胺共催化環己基馬來酰胺酸脫水關環合成環己基馬來酰亞胺。Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr
對苯醌與乙酸酐經1 ， 4 -加成生成1 ， 2 ， 4 -苯三酚三乙酸酯，然後與蘋果酸反應經水解、環合反應得6 ， 7 -二羥基香豆素，再經甲基化得到6 ， 7 -二甲氧基香豆素，總收率為74 . 4 % ，整個過程反應條件溫和，操作方便，適合工業生產的要求，對產品結構進行了ir和1hnmr表徵。The system selects switching surface according to the approach of variable structure control. based on the control rules to design the variable structure controllers, the inner loop and the outer loop form a complete vsc control loop. the control system has switching surface and the system brings sliding along fixed desired trajectories
根據滑模變結構控制方法選擇切換面，根據控制律，設計變結構控制器，使內環和外環合成為一個vsc控制器，系統的控制有切換，而且在切換面上系統將會沿著固定的軌跡產生滑動運動。Georgia ' s objects, liza etc, ? shipment central compounds, passo hydrolysis esters manufacturing project planning
奧美格氏物、利扎三唑、嗎啉環合物、帕蘇水解酯的製造項目的籌建。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。The island line connects chai wan with sheung wan and has 14 stations
港島線連接柴灣與上環，合共有14個車站。分享友人