輪生葉 的英文怎麼說
中文拼音 [lúnshēngyè]
輪生葉
英文
verticillate leaf-
Optical 3 - d profilometry has been widely used for 3 - d sensing, machine vision, intelligent robots control, industry monitoring, biomedicine, dressmaking, etc. several 3 - d object profilometry methods, including moire technique ( mt ), phase - measuring profilometry ( pmp ), fourier transformation profilometry ( ftp ), modulation measurement profilometry ( mmp ) have been exhaustively studied
光學三維傳感已廣泛應用於機器視覺,實物仿形,工業檢測,生物醫學等方面,在三維面形測量中,對莫爾輪廓術,位相測量輪廓術,付里葉變換輪廓術,調制度測量輪廓術這些方法已經進行了大量深入的研究。Flowers fragrant, solitary and axillary ; tepals 6, in 2 whorls, the outer 3 obovate - elliptic, ca. 3 cm long, the inner 3 narrower ; stamens many, 1. 7 - 2 cm long
花單生於葉腋,芳香;花被片2輪, 6片,外輪的倒卵狀橢圓形,長約3厘米,內輪的稍狹;雄蕊多數,長1 . 7 - 2厘米。Some people living near wind farms complain they are kept awake by a phenomenon known as aerodynamic modulation ( am ), low frequency noise made as the blades swoosh through the night air
有些住在風力發電廠附近的人抱怨,他們因為一種稱為空氣動力調變的現象,即輪葉的颼颼聲劃過夜空,產生低頻噪音,以致無法入眠。In the process of the investigatim, the author discovered a new type which the three leaves in the main stem are all verticillate, its appearance are quite different from the others in swertia genus. the results of rapd ( random amplified polymorphic dna ) analysis suggested it have obvious difference from the close relative species and it be a novel species
酮酮在資源調查和標本採集中,發現一種植物主莖_ _沙十片均為三葉輪生,其形態與屬內其他種有明顯區別,並通過隨機擴增多態dna ( rapd )分析,與近緣種比較差異明顯,故提出作為新種處理。There is no sky in june so blue that it does not point forward to a bluer, no sunset so beautiful that it does not waken the vision of a greater beauty, a vision which passes before it is merely a bad joke, life a vulgar flare amid the cool radiance of the stars, and existence an empty laugh braying across the mysteries ; if these intimations of a something behind and beyond are not evil humor born of indigestion ; or whimsies sent by the devil to mock and madden us ; if, in a word, beauty means something, yet we must not seek to interpret the meaning
沒有任何一片六月的天空可以碧能夠藍得如此完美無法再藍,沒有任何一輪落日能夠如此美麗,得令人無法再激起更美的視覺感受,即使因為那視覺感覺立足未穩便是轉瞬即逝,只在飄過的葉子里留下無法言傳的渴望與遺憾;但是如果這個世界不只是一個惡作劇,如果生命不只是群星冷清的光輝中一束人間的火花,如果存在不只是在解釋神秘時發出的刺耳冷笑;如果對于在我們身後和另一邊的世界給我們的這些提示並非不是由於無法理解的邪惡本性而產生的失望心情;也並非不是惡魔派來愚弄和逼瘋我們的古怪念頭的話;總而言之,如果即使美麗有其意義,但我們也不允許決不要苛求試圖去解釋它。But advances in rotor design and high - voltage integrated - circuit controllers have enabled the latest wind turbines to generate 30 percent more power than pinwheels the same size did just a decade ago
但是,旋轉輪設計與高電壓積體電路控制器的進步,讓最新型的風力葉輪產生的電力,比10年前同樣大小的風車增加30 % 。The series equipment versatillty, its performance had achieved the international advanced level, is at present is most effective, the practical reliable crushed stone machine, is suitable specially for the manufacture grinding compound, fireproof the matreial, the cement, the quartz sand, the emery, the stove are cut broken glass the power, the copper ore, the concrete aggregate and so on many kinds of, the crisp materials on the control granulated substance machine energy conserva tion 50 %, is in the present world system qranulated substance equipment
物料由機器上部垂直落入高速旋轉的葉輪內,在高速離心力的作用下,與另一部分以傘狀形式分流在葉輪四周的物料產生高速撞擊與粉碎,物料在互相撞擊后,又會在葉輪和機殼之間以物料形成渦流多次的互相撞擊、摩擦而粉碎,從下部直通排出,形成閉路多次循環,由篩分設備控制達到所要求的成品粒度。While a 3d assembly model of blade - disc structure was established, a finite element model for calculating the vibration characteristics during blade - disc coupling was set up by taking into consideration of the coupling action of contact stress between blade and disc
摘要在建立了葉片與輪盤三維裝配模型的基礎上,考慮了由於裝配產生的接觸應力與葉片輪盤之間的耦合作用后,建立了葉片輪盤裝配耦合的振動特性計算的有限元模型。The vortex simulated in this article include the shedding vortex induced by the vane trailing edge boundary layer, the endwall vortex generated by the endwall boundary layer interaction, the passage vortex generated by the rotor rotation, and the leakage vortex generated by the tip clearance flow
渦輪級內的渦運動包括:導向器葉片尾緣附而層引起的脫落渦;轉子通道內轉子的旋轉運動產生的通道渦;根腳區兩個端壁附面層干涉,形成的根腳渦;存在葉尖漏流時,出現的漏流渦。We used to take it in turn to carry small delicacies which my mother had made down from the big house to the little cottage where aunt stephia and an old colored maid spent their days. old tnate sanna would open the door to the rather frightened little messenger and would usher him - or her - into the dark voor - kamer, where the shutters were always closed to keep out the heat and the flies
我們經常輪替著從我們住的大房子里帶些母親為她做的可口的食品到她和一名黑人女僕一塊過活的那間小屋裡去。桑娜老姨總是為每一個上門來的怯生生的小使者打開房門,將他或她領進昏暗的客廳。那裡的百葉窗長年關閉著,以防熱氣和蒼蠅進去。At present, the plant is the largest base for producing hydraulic component is china and also onto the key enterprises in national engineering industry. there are 2, 258 employees, including more than 500technicians, eleven divisions, one technical developing center and two joint ventures ; yuci yuken hydraulics co. ltd. and yuci yinan hydraulic pumps co. ltd. in the period of
榆液廠主要產品有液壓閥葉片泵輪泵柱塞泵液壓泵液壓站系統及液壓裝置等六大類產品,產品技術水平國內屬領先水平,企業液壓產品生產能力達The 1st and 2nd order perturbed identification results that represent the strengthened effects on bending rigidity of the rotor caused by the impellers and the sleeves on the shaft of the pump are given, and the modified dynamic models of the rotor are obtained
給出了給水泵轉子上的熱裝葉輪、軸套對轉子剛度產生加強作用的一、二階攝動識別結果,得到了修正的給水泵轉子系統動力學計算模型。The pump wheels, turbine wheels, and stators generated by the different blade parameter profiles were compared and the fundamental law of the converter performance versus the blade angle profile was derived
通過對不同參數變化規律生成的泵輪、渦輪、導輪的葉型進行對比分析,總結出液力變矩器葉片角變化對液力變矩器性能影響的基本規律。Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller
摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂,葉輪焊接缺陷產生了焊接弧坑,造成表面應力集中,氣流激振加速了裂紋擴展。Influences on host plant cell pathology by tumv infection tumv particles were scattered in cytoplasm area of diseased cells separately or in bundles. the pinwheels, scrolls and laminated aggregates, which were the cross sections of cylindrical inclusion bodies, were observed under transmission electron microscope. meanwhile, pathological changes of diseased chloroplasts " morphology and structure took place
Tumv侵染寄主的細胞病理學特徵利用透射電鏡觀察接種寄主細胞的超薄切片,分離自杭州榨菜上的tumv分離物jc - 1在青菜和芥菜的細胞質中病毒粒子分散或成束分佈;細胞質中存在不同形態的柱狀內含體,分別為風輪體、捲筒體、片層聚集體;同時,葉綠體發生了形態和結構上的改變。The future characterization and genetic analysis for candidate mutant were carried out and find that some candidate mutant ( such as roi30 doil - 1 doi0311131 ) have good phenotype by drought h2o2 aba - stressed treatment. at the same time we also observe the development of candidate mutant at different growth stages carefully. many modal difference between mutant an d wild type at the same period were found, such as more rosette layering fatty and big in leaves, advancment or delay for the flower period, rosettes living in the main stem, shorten in figure, the amount of seed little, sterilization etc. these physiological and modal changes may reflect with maladjustment in expressions of some gene and confusion on their inner control, . we will futher study concrete and detailed function mechanism
我們對這些擬南芥侯選突變體進行進一步的鑒定和遺傳學分析,發現ro口口、 doil 、 doi口jlll3i等潛在突變株對aba 、過氧化氫及早脅迫有明顯表型,同時對潛在突變體的生長發育進行了詳細的觀察,發現多數潛在突變株與同條件下野生型比出現了許多明顯的形態改變,如:蓮座基葉增多、分層、肥大,花期提前或延遲,主莖生輪座,株型矮化,產籽量少,不育,敗育等,這些生理和形態上的差異很可能反映了它們內部某些基因的表達受到了影響、代謝調控發生了紊亂,具體和詳細的作用機制還需要進一步的研究。The turbocharger noise is formed by the rotation noise resulting from the periodical air cutting of the fan blade and the turbulent noise of high - speed gas flows. as a continuous high frequency noise, it mainly falls between the 500 to 10 000 hz range
渦輪增壓器的噪聲是由於葉片周期性地切割空氣產生的旋轉噪聲和高速氣流形成的湍流噪聲而形成的,是一種連續性的高頻噪聲,主要分佈在500 ~ 10000hz的頻率范圍。By stirring water with the impeller, splash water to the air evenly and widely, strengthen the pond water ' s flowing circulation, make pond water dissolve into oxygen and death of fish, shrimp and eel, raise the breeding density, quicken the growth so to achieve high and stable yields
通過葉輪攪水,把水均勻而彌散地潑向空間,加強池水流動循環,使池水溶入氧而稀釋和排出有害物質,增加水中的溶氧量,改善水質,防止魚蝦鰻浮頭死亡,提高養殖密度,加速生長,從而達到高產穩產。As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique
針對葉片的結構特點,採用適應較強的三維八節點實體單元模擬葉片,建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時,受到離心力作用,使葉片發生大變形,故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態,建立了考慮葉根?輪緣接觸的有限元方程,利用拉格朗日增廣演算法來求解該方程,確定葉根輪緣之間的接觸面狀態。Different vibration characteristics between the two models are discussed. geometry mismatch in a turbine blade root, which arose in manufacturing process or caused by wearing out during service, leads to contact conditions changed in fir - tree attachments
汽輪機葉根製造尺寸誤差或運行磨損造成的尺寸改變會導致葉根與輪盤接觸狀態變化,進而引起葉片固有頻率發生漂移,並有可能接近共振頻率而導致葉片事故。分享友人