橫裂果 的英文怎麼說
中文拼音 [hénglièguǒ]
橫裂果
英文
transverse dehiscent fruit-
The results show that : 1 ) the effects of interface on waves scattering are stronger in the structure with the interface perpendicular to the direction of fracture normal than that in the structure with the interface parallel to the direction of fracture normal. 2 ) when the interface is perpendicular to the direction of fracture normal, the amplitude of reflected waves and converted s - waves are higher and there are the sub - p - and sub - s - wave. 3 ) when the elastic waves propagating in the multi - stripe model, wavesforms become complex due to multiple scattering on interfaces
研究結果表明: 1 )界面與裂縫排列方向平行時,界面對波的散射作用大於界面與裂縫排列方向垂直時的情況; 2 )當界面與裂縫排列方向平行時,在界面上產生的反射波及轉換的橫波幅度較大,並且有次級縱波和橫波產生; 3 )彈性波在多條紋結構中傳播時,在界面上產生多次散射使得波形十分復雜。Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc
應用於工程的主要方法有反射波法折射波法波速測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基,地震勘探可以檢測其回填處理效果對于隧道工程,可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波速度,可以準確推算地基的承載力動彈模量等力學參數。When pure shear wave propagate in anisotropy media, even thought propagation direction is parallel to the direction of aligned cracks, experimental results exhibit that only two kinds of shear - wave velocity can be measured - fast shear wave and slow shear wave neglecting polarization direction
這個實驗結果進一步表明,純橫波在各向異性介質傳播時,即橫波的傳播方向與裂隙平行,無論橫波的偏振怎樣改變,只能觀測到兩種橫波速度,快橫波和慢橫波。Therefore the dynamical characteristic is acted as detected parameter for fractured detection ( primary amplitude secondary frequence ). and the amplitude of mean sguare and central frequence are acted as evaluational parameter, based on the those studies, the new ideas is put forward that fractured azimuth is dected by lateral difference and fractured density is dected by vertical difference for three facters of fracture, wavelet acted as analysis tool and direction by wave field characteristic applied the multiple scale edge dectection and self - adaptive edge detection into the detection theory of seismic fractured azimuth, also put forward the wavelet different scale filter method of the fractured azimuth detection
因而,確定了主要以振幅,其次是頻率的地震波動力學特徵作為裂縫檢測的被檢參數和均方振幅和中心頻率作為檢驗檢測結果正確與否的評價參數。在上述研究基礎上,針對裂縫的三要素,提出通過橫向求異檢測裂縫方位和縱向求異檢測裂縫密度的新思想。並以小波作為分析工具,以潛山波場特徵作指導,將數字圖像處理中的多尺度邊緣檢測和自適性邊緣檢測引用到地震裂縫方位檢測中來,並提出了小波變尺度濾波法新的裂縫方位檢測法。2 ) the effects on waves conversion are stronger in rocks with dry fractures than that in rocks with water - filled fractures, and s - waves attenuate more rapidly in rocks with water - filled fractures. 3 ) the explosive point source which locates in anisotropic media can excites not only p - waves but also s - waves. 4 ) the properties of waves propagation were discussed and compared for several point sources with different source functions
結果表明: 1 )平行排列裂縫造成的各向異性使波前變寬; 2 )含乾裂縫巖石對波型轉化的影響比含充水裂縫巖石的大,橫波在含充水裂紋中傳播時衰減較快; 3 )當介質存在各向異性時,爆炸點源產生的波不僅有縱波,還有橫波; 4 )通過改變點源函數研究不同點源所產生波以及波型的轉換。The result indicates : adopting certain data processing method, it is feasible to make use of the change of natural frequency to discern the transverse crack in the shaft, and the precision discerned is very high
結果表明,採用一定的數據處理方式,利用固有頻率的變化來識別光軸上的橫向裂紋是完全可行的,並且識別的精度很高。The result shows that when contain the transverse crack in the crankshaft, and the depth of the crack is strengthened gradually, its acceleration signal responding frequency moves toward high frequency gradually
結果表明,當曲軸中含有橫向裂紋,且裂紋逐漸加深時,其響應的加速度信號在頻域范圍內的主頻是逐漸向高頻方向移動的。The result indicates : when the transverse crack was contained in the crankshaft, the crankshaft ' s natural frequency reduced obviously, but does not change the vibration form of every type
結果表明,曲軸在含有橫向裂紋后,其固有頻率有很明顯的降低,但是不改變各階振型的振動形式。因此,固有頻率的降低可以作為曲軸中含有橫向裂紋的標志。( 3 ) we can detection the azimuth of crack growth by abnormal amplitude or the discrepancy of wave - speed. ( 4 ) we can guess whether crack contains fluids by the change of p - wave speed. second, using pore model, under press and temperature, we have studied the influences of pore density on the characteristic parameters of seismic wave
第一、利用人工裂縫模型,研究了裂縫密度、方位和張開度的變化對地震波屬性參數的影響,根據實驗結果,總結出:可利用橫波分裂的不同程度來檢測裂縫密度的高低;可利用縱橫波的振幅、主頻、衰減(或品質因子q )和主振幅的變化來檢測裂縫張開度的變化;可利用速度的差異和振幅異常來檢測裂縫發育的方向;可利用縱波速度的變化來推測裂縫中是否含流體。Study design. a cross - sectional study to ealuate the long - term result of posterolateral ( plf ), anterior ( af ), and circumferential fusion ( cf ) for isthmic spondylolisthesis
研究設計:通過一項橫向研究,評價后外側( plf ) 、前方( af )和環周融合( cf )治療峽部裂型脊柱滑脫癥的長期結果。( 5 ) several group experimental result of solute transport in fractured medium was analysed in different direction. an experience formula of nacl solution was summarized, which changed in different position. the coefficient of advective - dispersive was deduced by means of back analysis based on the experimental results, which suited to solute transport in a single fracture of rock
( 5 )通過裂隙中溶質運移的多組實驗結果進行橫、縱向的比較分析,總結出了nacl溶液濃度沿程變化的經驗公式;結合實驗結果針對所推導出的數學模型擬合出適合單裂隙巖體的溶質運移彌散系數。Experimental results indicate that the strength capacity, stiffness of columns have a certain extent increasing as a result of the action of cfrp, repaired columns " cracks show little and distribute uniformly. the ultimate strength and ductility of column improved due to the transverse strengthening with cfrp and display more distinct benefit when strengthened by the combined action of the longitudinal and the transverse straps of cfrp. in addition, many parameters including anchorage length of cfrp, thickness of cfrp are considered on the effects of cfrp on strength, and failure modes of columns
試驗結果表明,大偏心受壓柱受拉麵縱向粘貼碳纖維布后,偏壓柱承載力和抗彎剛度有一定程度的提高,裂縫寬度減小且分佈均勻;碳纖維布橫向粘貼偏壓柱對偏壓柱的承載力和延性有一定的提高;縱橫向混合粘貼大偏壓柱加固效果更顯著;混凝土強度低於c20級時,不適合採用碳纖維布粘貼加固。分享友人