定子葉片 的英文怎麼說

中文拼音 [dìngziyèpiān]
定子葉片 英文
stator blade
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 片 : 片構詞成分。
  1. At the same time, this paper also describes the fluctuation of soil nutrients and the contrast between soil of leguminosae and non - vegetation covering. the results are as follows : 1 ) despite the mesophyte leaf form of the ten pioneer species there were significant differences in leaf anatomical characters among them and some differences among different plants of an individual

    結果表明研究區喀斯特先鋒植物葉片在不同種類之間具有明顯差異，這些差異除受遺傳因子控制外，環境因子（主要為光照和水分）也有重要作用；生活型不同對先鋒植物葉片特徵有一定影響，但未表現出規律性。
  2. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分，類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。
  3. We clone a 1. 3kb promoter sequence of the homologous gene in arabidopsis by pcr. this promoter is shown to direct the specific expression of the reporter gene, b - glucuronidase ( gus ), in trichomes of arabidopsis. promoter deletion analysis reveal that the region from - 300 - - 1 bp is sufficient to direct trichome - specific expression

    對其進行缺失突變，構建5個缺失表達載體轉基因擬南芥，葉片gus定量測定分析表明- 300bp ? - 1bp序列就可以指導gus基因在表皮毛細胞中特異表達，說明這段序列可能含有指導此啟動子在擬南芥表皮毛細胞進行特異表達的核心序列。
  4. At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers

    本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定，對12種乾燥藥材的性狀進行了描述，提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉，萌發孔有3孔型， 3溝型和3孔溝型三種類型；表面紋飾包括網狀紋，條狀?網狀紋，條狀紋和瘤狀紋四種類型。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析，並進行方法學研究，結果表明，同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎曲程度sfc值和細胞縱、橫向直徑的比值slf值，種間有顯著差異，每種都有相對恆定范圍值。
  5. Regional somatic embryogenesis from in vitro apple leaf and artificial seed of apple

    蘋果離體葉片特定部位體細胞胚胎發生和人工種子研究
  6. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。
  7. Histochemical staining in tl transgenic tobaccos showed that sigp1 promoter was not only organ - specific ( especially expressed in leaves and guard cells ), but also highly inducible by multi stress treatment such as drought, aba, high salinity and low temperature. quantitative analysis showed that gus activity in roots was very weak and no great changes were observed after treatment

    通過對t1代轉基因苗的組織化學定位表明，該啟動子驅動的gus基因在逆境（如乾旱、 aba 、高鹽和冷）脅迫的葉片中表達，根中不表達，且老葉中的表達量高於幼葉中的表達量，說明其表達受發育階段的調控。
  8. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  9. The chances of heavy metal into the plant cell were reduced and stress alleviated. ultrastructural observation of leaf cells of myriophyllum verticillatum linn, showed that la3 + coule alleviate the injury of cell structure produced by cr6 +

    對元素含量的測定表明，稀土元素降低了植物對重金屬的富集量，兩者表現出拮抗作用，減少重金屬離子進入植物葉片細胞的機會，從而減輕了毒害作用。
  10. The results show that the electron mean drift velocity is affected by the cathode radius, the impedance of the load diode, the inner radius of vanes and the input voltage

    結果表明電子平均漂移速度決定於陰極桿半徑、負載二極體阻抗、陽極慢波葉片內徑和輸入電壓。
  11. Lovrin 10 and cv. 5389. by using this system, following questions were investigated : the change of the pattern of microtubules when treated with iwf ; the change of cytosolic calcium levels in the protoplasts when treated with iwf and the influence of microtubule depolymerization prior to iwf treatment on the levels of cytosolic calcium

    試驗的目的是以激發子?原生質體簡化試驗系統來模擬葉銹菌侵染小麥葉片的互作體系，探討激發子刺激后寄主植物微管骨架的動態變化及胞內ca ~ （ 2 + ）水平的變化規律，為進一步探討激發子誘導防衛反應的信號轉導途徑奠定基礎。
  12. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於流體動力學，通過對葉片流道內的流體模型應用動量定理，得到此汽流激振力模型，並採用四階龍格庫塔法，得出了單盤彈性轉子系統的周期響應規律，然後根據系統的相軌跡及poincare映射圖，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  13. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設計，在優化的軸流透平子午通道內，建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式，並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下，使級的某一性能指標（如級的功率）達到最優的最優控制問題，應用「代價函數法」及「共軛梯度法」編制計算程序，計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈，結果是令人滿意的。
  14. S. regeneration system of mustard hypocotyls and cotyledons of 4 days and leaves of 25 days were used as transformation materials, and ms as basic medium supplying different ba ^ naa and kt concentration, we got the optimum explant adventitious bud inducing medium ( ms + 6 - ba3. 0mg / l + naa0. 2 mg / l ). among the three kinds of mustard explants. the cotyledons showed the highest adventitious bud regeneration capacity. and the regeneration capacity of leaf explantswas weaker. and the weakest of hypocotyls

    芥菜高頻再生體系的建立以4天左右的葉用和莖用芥菜子葉、下胚軸和25天苗齡的芥菜無菌苗的葉片為外植體，以ms為基本培養基，通過加入不同濃度和不同組合的ba 、 naa 、 kt ，篩選到了外植體不定芽分化的最適培養基（ ms + ba3 . 0mg / l + naa0 . 1mg / l ）及生根的最適培養基（ ms + naa0 . 2mg / l ） 。
  15. Second, a jeffcott rotor model supported by two seals bearings in its two ends is established to simulate the shafting of simple turbines ( only short - and - straight - blades are included in the shafting ). and periodical response of the system is obtained by using the newmark method. then, the dynamic characteristics of rotor system at the certain rotate speed and the certain physic

    其次，建立了一個用來模擬簡單汽輪機軸系（只含有短直葉片）的兩端用滑動軸承支撐的jeffcott轉子模型，並用newmark方法求得了系統的周期響應，根據系統的周期響應、 poincare映射圖、頻譜圖、分岔圖等，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  16. However, gus activity in leaves and epidermal strips increased with the prolongation of treatment time. in order to further understand the regulatory mechanism of stomatal movement, we studied one of transcription factors that might be related to stomatal movement. using rt - pcr we isolated atdofl. 7 from arabidopsis, which had a higher homology with stdofl whose expression was very high in guard cells

    Gus活性熒光定量分析表明， sigp1啟動子驅動的gus活性在乾旱、 aba 、高鹽和冷等逆境處理下，在根的表達很微弱，且隨著處理時間的延長變化不大，但在葉片和表皮中的gus活性都有增加的趨勢。
  17. Then the effects of the grooved casing treatments on the performance of the compressor rotor have been revealed and some valuable conclusions have been reasoned out

    通過對總性能和基元性能，特別是葉片尖部流動的詳細測量，證明了這種型式的處理機匣可以提高效率，但在穩定裕度上略有損失，並解釋了其影響轉子性能的機理。
  18. On the rotor blade pressure surface, the dominant frequencies of unsteady surface pressure are the up - stream blade wake passing frequency and its harmonics, and the amplitudes of pressure fluctuations decrease from leading edge to trailing edge

    轉子葉片吸力面非定常壓力受葉片附面層和上游葉片尾跡共同影響，其主導頻率為上游葉片尾跡頻率及其倍頻，但是在吸力面前部氣流加速區壓力波動幅度沿流向增大，而在吸力面後部氣流減速區壓力波動幅度沿流向減小。
  19. The unsteady surface pressures on the rotor blades of a single - stage low - speed axial compressor were measured by means of mounting micro - sensors on the surface the blades

    摘要為了研究上游葉片尾跡對軸流壓氣機轉子葉片非定常表面壓力的影響，採用在葉片表面埋設微型壓力傳感器的方法，測量了一個單級低速軸流壓氣機轉子葉片的非定常壓力分佈。
  20. The vanes are hold in place without pin, clamp or bolt, so it is able to be replaced and maintained quickly

    葉片不用銷子、夾具和螺栓固定，更容易維修和更換。
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