波型片 的英文怎麼說
中文拼音 [bōxíngpiān]
波型片
英文
belagfederung cushion deflection axial cushion-
On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed
遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術,運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法,分析了斷裂構造、河流地貌(階地、漫灘、沙洲)及懸浮物等在tm遙感圖象上的影像特徵,解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈,並新解譯出了9條近東西向的斷裂。According to the correlative theory of hydromechanics and shock wave, theoretical model of creating quasi - isentropic compression via w - mo - ti - mg system flier - plate with graded wave impedance was established, and study on the numerical simulation of the impact process was then carried out
根據流體力學和沖擊波理論知識,首先建立了梯度飛片擊靶的理論模型,對w - mo - ti - mg系梯度飛片擊靶過程進行了數值模擬計算。Loudspeakers, mylar speakers, notebook speakers, modem speakers, tv speakers, tweeters, subwoofer speakers, car speakers, ceramic piezo buzzer plates, condenser microphones, dynamic microphones, dynamic receivers, buzzers and transducers, and also ultrasonic sensors
(生產、經營)產品及類型介紹:全頻喇叭,超薄喇叭,手提電腦喇叭,電視機喇叭,高音喇叭,低音喇叭,汽車喇叭,蜂鳴片,電容咪、動圈式咪頭,受話器,蜂鳴器及超聲波傳感器。Both upper and lower epidermis cells are polygonal or irregular in shape in all species studied. the patterns of anticlinal walls are straight, arched or sinuous, and the raphal cuticular striastriae are occasionally observed on periclinal walls. stomatal apparatus and secretory cells are found on the upper epidermis of several species and on the lower epidermis of all species
結果表明:這些植物葉片的上、下表皮細胞呈多邊形或不規則形,垂周壁式樣為平直、弓形或波浪狀,平周壁偶有脊狀條紋;少數種類上表皮還有氣孔器或分泌細胞,所有種類下表皮具氣孔器和分泌細胞;氣孔器類型以平列型和側列型居多,偶爾有無規則型;氣孔極區呈稍角質加厚或棒狀加厚,稀t形加厚。The development of microwave technology is continuously pushing mobile communication equipments and portable terminals to micromation, complex, multilayer and modularization. ltcc ( low temperature co - fired ceramic ) technique is the best method to achieve the aim
Ltcc ( lowtemperatureco - firedceramic )技術是目前實現各種微波介質陶瓷元器件微型化、復合化、片式化、模塊化的最佳途徑。On the other hand, waveguide could compose high quality components but hard to be integrated for their huge volume. substrate integrated waveguide ( siw ) is a new kind of microwave transmission line in these years which can be widely used in microwave and millimeter wave circuit
基片集成波導( substrateintegratedwaveguide ,簡稱siw )是一種近年內出現的新型微波傳輸結構,可以廣泛地應用於微波及毫米波電路中A new laser source of optical communication, erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser, has been investigated globally from 1990s. the laser can meet many rigorous demands of wdm systems. the 1. 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ), therefore, a splendent foreground can be predicted about this kind of laser in future optical communication
基於鉺、鐿摻雜磷酸鹽玻璃基片的光波導激光器是一種新型通信光源,具有傳統的分佈反饋半導體激光器所不能比擬的優點,能滿足波分復用/密集波分復用技術對光源提出的諸多高新要求,所發射的1 . 54 m激光符合國際電信聯盟規范,在未來光通信中有著廣闊的發展前景。Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed
帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用波傳播理論和模態綜合技術,結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應Main products : eq140, eq153 form a complete set with second auto ; yc4108q, 6108, 6105qc form a complete set with yuchai, cy4100, 4102, 4105 form a complete set with chaochai etc more than one hundred all over metal framework, buildup type, ordinary framework cylinder gasket. . . . . . . . . . . . . .
公司創建於一九六五年,坐落在寧波市境內的象山半島,佔地面積6500平方米,是一家專業設計研製生產銷售各類內燃機氣缸墊片的企業。主要產品有:二汽配套eq140 eq153 ,玉柴配套yc4108q 6108 6105qc朝柴4100 4102 4105等一百余種各類全金屬結構增強型結構普通型結構氣缸墊片。The cloning cdna fragment was extracted from positive clones and sequenced. the results showed that the cdna fragment was 816bp in size, encoding a protein which included 272 amino acids. the sequence homology analysis was carried out via the software blast 2. 0 network service in the four large databases - genbank, embl, ddbj, pdb, which had recorded 1 337 978 nucleotide and protein sequences. the results of the analysis indicated that the nucleotide homologous rates between the rubber tree etr and 15 recorded etrl of other plants ( mango, passion fruit, persia plum, strawberry, grape. . etc ) were 75 % - 80 % ; the protein homologous rates between the rubber tree etrl and these recorded etrl genes were 90 % - 95 %. from the results mentioned above, we could confirm that the cdna of rubber tree etrl had been cloned
從陽性克隆子中提取克隆片段,經序列測定分析,結果表明,克隆片段的cdna大小為816bp ,編碼的蛋白質包含272個氨基酸。基因序列通過blast2 . 0networkservice軟體對genbank , embl , ddbj , pdb四個大型數據庫中記錄的1337978條核酸和蛋白質序列進行序列相似性檢索,結果表明與芒果、一西番蓮、波斯梅、草毒、葡萄、西洋梨等15種已報道的植物的etrl基因cdnag的同源率為75 88 ;蛋白質氨基酸序列的同源率為90 95 ,表明本研究確實克隆到了橡膠樹etri基因的cdna序列。 4A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能,用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示,本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波,增加了天線的帶寬,並有效地削弱了旁瓣,使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus
地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。Sol - gel method was used for preparing the nano - tio2 photocatalytic film on general glas slid and ito conductive glass. the spectrum property, surface image, crystlal type, particle size, thickness and other properties of this film were measured by uv - vis, afm, xrd and other apparatus
採用溶膠-凝膠法在普通玻璃載波片和ito導電玻璃上制備出負載型納米tio _ 2薄膜,並用uv - vis , afm , xrd等對納米tio _ 2薄膜的光譜特性、表面形貌、晶型及粒子大小、薄膜厚度等進行了表徵。This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller
本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。This paper mainly studied a piezoelectric ultrasonic motor of rotary type, and an ultrasonic motor with multiple reeds was bettered. the following is the basic content
本文主要研究了壓電旋轉型行波超聲波馬達,同時也對以前的多振動片式駐波超聲波馬達進行了改進。Then, establish electric field and magnetic field matching equation of space and plate wave - guide. program about slice - grating - circular polarization. analyse its transmit characteristic and polarization characteristic
然後運用單極模匹配方法建立空間場和平板波導場的電場和磁場匹配方程,編制分析薄片型光柵圓極化器的程序,得到模擬結果。Its scope of business involves the whole standard welding technology and no - lead welding technology, involving moulding, stripping, chipping, plug - in, welding and cleaning
產品涉及成型、剝線、貼片、波峰焊、浸焊和清洗等整個常規焊接工藝流程和無鉛焊接工藝流程。Due to have much high - class equipment : cnc spark 、 mill 、 planer 、 punched - molding 、 automatic smd / dip act
一流的生?設備: cnc火花機,洗、磨、刨床、注塑成型、沖壓成型、自動smd貼片,自動dip插件,自動溫控錫爐,高周波,點焊機等。The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out
採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間(防止脆性金屬間化合物的過度增長)等措施,確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。In industrial times the improvement of science and technology resulted in further development of productive force, which caused the change of human existence. technology has now become the dominant power and means which we use to deprive and conquer the nature. thus man ' s dependence upon others has been replaced by upon machinery and technology
此時,典型的企業形態出現,它以盈利為最大目標,組織嚴密化,分工專業化,但卻表現出發展的不可持續性,而一味追求科學、有效性的科學型管理更是推波助瀾,導致企業的短見和人的發展的進一步的片面化。分享友人