相減合成 的英文怎麼說
中文拼音 [xiāngjiǎngěchéng]
相減合成
英文
subtractive synthesis-
The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。This paper separately analyzed the principle and characteristic of water condensing + water condensing mode and air condensing + water condensing mode of compound condensing method. it is found that the building heating and cooling systems applied compound condensing method can well integrate the function of space cooling and space heating and sanitary hot water heating. the compound condensing method could well preserve energy, and its integration makes the investment of building heating and cooling system more economical
論文對復合冷凝技術的水冷+水冷模式和風冷+水冷模式的原理分別進行了探討,討論發現此技術能使冷熱源機組將空調製冷、空調供暖、生產衛生熱水等功能互相結合起來,節能效果顯著,集成化的功能也使得建築冷熱源設備的初投資也大大減少,並很大程度上緩解了建築冷熱源設備對環境的熱污染和城市的「熱島效應」 。The thesis reviews the theory which is the basis of synthetic aperture processing and introduces five algorithms of image reconstruction : the coherent addition provides a good opportunity for the real time sas ; the envelope processing can work when sonar echo returns lack phase coherence ; the i - q processing can reduce the sampling rate ; the broadband and ctfm processing are both aimed to increase the sas mapping rate
討論了用於重構圖象的五種演算法,包括簡單的可進行實時處理的相關合成法,可以在缺乏相位信息時使用的包絡處理法,可以降低采樣率、減少運算量、存儲量的正交處理法,可以提高聲納運行速度,從而提高成象率的寬帶處理法和ctfm法等五種演算法。The cyst cells enclosing spermatomeres maybe synthesize a kind of scf - like protein, which can recognize specially the c - kit receptor on the cellular membrane of spermatomeres. then c - kit is activated, dimerizing and autophosphorylating. at the same time, the tyrosine kinase domain of c - kit is activized, which phosphorylates the proteins that have sh2 domain
精母細胞周圍的囊細胞可能合成scf樣蛋白,特異地識別精母細胞膜上的c - kit受體,並刺激c - kit發生二聚化、自體磷酸化,激活胞內酪氨酸激酶活性,活化具有「 sh _ 2結構域」的靶蛋白,可能通過一系列信號級聯,最終激活與減數分裂的相關蛋白或基因。Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step
在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案,根據該傳動系統方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數,為下一步的電機控制系統模擬實驗打下基礎。The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables
( 3 )進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究,以及有升力約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件數學表達形式,研究與發展了三維共軛方程的有限體積數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合,成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。On base of results above, composite model of ssta in pacific and circulation anomaly are constructed for analysis their evolution. during mature phase of el nino usually in winter, positive ssta dominates in tropical eastern ocean and negative ssta dominates in west wind drift district in mid - latitude ocean, correspondingly the pna index of 500 hpa geopotential height is positive which means the aleutian low gets strong, and the situation is somewhat inversely during la nina phase of ssta
合成位相反映了太平洋ssta演變特徵,以及相對應的大氣環流異常特徵:當西風漂流區處于暖態而熱帶中東太平洋海溫偏低時,合成大氣模型當中阿留申低壓減弱, 500hpapna指數為負異常;當西風漂流區處于冷態,熱帶中東太平洋處于暖態( elnino峰值?成熟期ssta典型分佈) ,合成大氣模型中阿留申低壓加強, 500hpapna指數為正異常。The modified copolymer solution has lower surface tension than the unmodified one. by measuring adsorptive content, we find that the adsorptive content of fdn superplasticizer is higher than the modified copolymers, but their adsorptive shape on the surface of the cement particles is different. measuring of potential of cement particle indicated that higher potential leads to better dispersibility for used superplasticizer
通過對減水劑的表面張力、吸附量、 5電位研究,發現改性后的減水劑均比未改性的共聚物更能降低水的表面張力;茶系減水劑比合成的減水劑具有更大的飽和吸附量,但彼此的在水泥顆粒表面的吸附形態並不相同:減水劑一水一水泥體系具有雙電層,加了減水劑的水泥膠粒的電負性顯著增加,改性后產物的負電性與改性前相比明顯增加。This dissertation is different from traditional speech enhancement methods which are based on noise characteristic such as adaptive noise cancellation or spectral subtraction processing. in this dissertation the speech signal conducted by bone was taken as the object to be studied and the exploitive study on the acoustical characteristic of speech signal conducted by bone was performed by the method of theory combined with experiment. then a proposition about speech reconstruction based on speech signal conducted by bone was presented, and the design of software and hardware was completed
本文與傳統的基於噪聲特性的自適應噪聲抵消法、頻譜減法等語音增強降噪技術不同,是以骨導語言為研究對象,採用理論與實驗相結合的方法對骨導信號的聲學特性進行了探索性研究,進而提出了基於骨導信號的語音重構技術,並完成了相應的軟硬體開發。The properties of the new superplasticizer were studied by comparison with naphthyl type, including its effects on the fluidity and the slump - loss of cement paste and concrete ; its effects on the strength of the cement was also investigated. it has a good compatibility with cements of different types
將合成的hp高效減水劑與萘系高效減水劑的性能進行了系統的比較研究,包括分散性能、保塑性能;對水泥凈漿的流變性能的影響;與水泥的相容性;對水泥凝結時間的影響等等。Firstly, ownership concentration should be kept properly in chinese listed companies and the shareholding percentage of large shareholders should be declined to achieve ownership control. secondly, decrease the percentage of state - owned shares by means of selling them to artificial persons. problem of the absence of the available state - owned shareholders should be solved as soon as possible
根據以上結論,本文提出四點建議: ( 1 )保持一定程度的股權集中,同時通過降低第一大股東持股比例形成股權制衡; ( 2 )以法人股東受讓的方式減持國有股,解決國有股有效持股主體缺位的問題; ( 3 )提高流通股比例與大力發展機構投資者相結合,引導機構投資者參與公司治理; ( 4 )進行經營者持股的制度創新,充分發揮其激勵作用。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。The technology not only reduces working procedure but avoids conversion errors caused by making transition model, and can ensure edm performance of the obtained electrode using the combination of puls
該工藝不僅減少了工序,還避免了因翻制過渡模型帶來的轉換誤差,將脈沖電鑄和電弧摘要噴塗紫銅背村相結合製造電極,能保證電極的電加工性能,可以實現高效率、高精度和低成本的快速模具製造。3. calcitonin gene - related peptide attenuates glutamate - induced inhibition of pulmonary surfactant lipid synthesis ( d cgrp could reverse the decrease of [ 3h ] - choline incorporation induced by glu with dose - dependence ; ( 2 ) cgrp could block the decrease of the content of cct a mrna induced by glu in lung tissue ; ( 3 } cgrp could reduce the impairment of the ultrastructure of at ii cells induced by glu ; ( 4 ) cgrp could reverse the increase of mda content and decrease of sod level induced by glu in cultured lung explants, respectively ; ? grp had no significant effect on nos activity and increase of no production induced by glu
降鈣素基因相關肽減輕谷氨酸所致肺表面活性物質脂質合成抑制的保護作用降鈣素基因相關肽grp )可顯著減輕0所致肺組織h一膽堿摻入pc量的降低,並且呈劑量依賴保護效應; cgrp可逆轉gill所致cctqinrna含量的降低; cgrp可減輕o所致肺11上皮細胞超微結構的損傷; cgrp可逆轉o所致肺組織勻漿中mda含量增多、 sod水平降低的效應,並可逆轉q所致肺組織ldh釋放增多的效應; cg販對gill引起的nos活性和no含量的升高均沒有顯著性影響。In order to protect the natural environment of the zone adjacent to mountain of right no. 2 laoshan highway tunnel in nanjing, china, the design of shed - tunnel was adopted through economical and technical comparison
摘要為了保護南京老山二號公路隧道右線傍山段的自然環境,採用錨噴支護與棚洞結構相結合的傍山隧道結構形式,形成互為補充的完整受力體系和邊坡防護工程,減小了刷坡范圍。By this way the mechanism of cooperation within each group and the competition among groups would come into reality, so the passive effect of " label effect " would be decreased. to the ranking of teaching goals, the paper insist on the stimulating principals. during the teaching process, it is important to integrate individual teaching, group teaching and collective teaching according to different teaching goals, tasks and student ' s features. besides the article summarizes the steps of effiently organizing the teaching activity to make the whole teaching system function best
在主體分層中實行顯性分組,隱性分層,形成組內合作,組間競爭的運行機制,減少「標簽效應」的負面影響;在教學目標分層中提出目標的激勵性原則;在教學過程中,根據教學目標、任務和學生認知特點的不同,把課堂的主渠道與課外的輔助延伸相結合,將個別輔導、分組教學、集體教學等進行多元化的優化組合,力爭使課堂教學效果最佳。Because phb / phas production by bacteria fermentation is prohibitively expensive, great attention has been focused on the synthesis of phb in plants using co2 for carbon and sunlight for energy, which is considered as a promising strategy to obtain price - competitive biodegradable plastics
這種聚酯的物理化學特性與傳統塑料相似,並具有生物可降解性,如能取代化學合成塑料將減少環境中的塑料廢棄物,從源頭治理「白色污染」問題。In this study, precursors have been prepared by coprecipitation. the precursors prepared by coprecipitation have high purity, homogeneity and reactivity etc. thus it can decrease synthesis temperature and pbo volatility. furthermore the pyrochlore phase is hardly formed during synthesis
通過化學共沉澱法制備前驅體,使各組份能以原子尺度進行混合,提高反應活性,有效降低合成溫度,最大限度地減少鉛揮發造成的污染,同時避免焦綠石相的生成。Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain
通過大量的理論分析和模擬實驗,得到了一批具有一定價值的結論:從信號處理的角度出發,對于脈沖式干擾,能夠運用時域滑動窗口積累的方法去掉,並且通過預測插值得到較好的恢復;對于高斯白噪聲干擾,在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾;對于射頻噪聲,通過平均距離頻頻法和頻域陷波的方法可以去掉;從改變合成孔徑雷達系統角度出發,類似雙基地雷達能夠避免各種干擾,對發射信號進行調幅,調相以及改變調頻斜率都是較好的抗干擾方法。The article developed the self - compensation repairing lubrication additives which endowed with new function to old lubrication oils according to the theory of self - compensation repairing theory by aided financially from china nature science fund ( ratification number : 59975039 ). the first, the article studied the tribological effect of several kinds of lubrication additives by single - phase, two - phase and three - phase mixture by four - ball machine. the article studied the effect of the mixture ratio and the additive concentration on tribological effect - antifriction, wear - resisting and bearing capacity
論文首先以四球法,對新合成的幾種潤滑添加劑的單相和雙相、三相復配后的摩擦學特性進行了較系統地研究,研究了復配比例和添加量等對其摩擦學性能?減摩、耐磨、承載性能的影響,在此基礎上優選了es12和esm122兩種潤滑添加劑,對其進行了較系統的磨損自補償修復效應及其摩擦學效應研究和對四種成品潤滑油的適應性研究,並對摩擦表面的自補償膜進行了紅外光譜分析。分享友人