有葉片的 的英文怎麼說
中文拼音 [yǒuyèpiānde]
有葉片的
英文
vaned-
On the whole, the tr and gs of leaf of anthurium andraeanum lind decreased under elevated [ co2 ] and wue increased, these might be beneficial for the increase of pn and chlorophyll as well as accumulation of organic compounds which promoted plant growth and florescence and flower leaf area, furthermore, the improvement of quality
總之, co :加富條件下紅掌葉片的氣孔導度與蒸騰速率降低,水分利用效率增加,凈光合速率提高,有利於碳水化合物的積累,促使紅掌的各項生長指標(株高、葉面積、生物量)提高,開花比率提高,佛焰苞面積增大,提前且延長了花期,提高了紅掌的觀賞品質。Ciliate 1. ddscribing a structure, such the margin of a leaf, fringed with fine hairs
1具纖毛的;具緣毛的:類似於葉片的邊緣具有精細的毛的結構。As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation
眾所周知,一般的反問題和混合問題的最大特點,是在給定的壓力面和吸力面上的壓力分佈或速度分佈條件下,直接得到葉片的幾何形狀,它可以使葉型型面與表面氣流參數有機結起來;其不足之處在於,對設計者而言,很難給定理想的葉片表面壓力分佈或速度分佈,並且有時會得到一個非物理解,如:得出的初始葉型可能會出現前緣、尾緣不封閉的現象。Flowers on variegated branches yield offspring that have variegated foliage.
有斑駁的枝條上的花,產生有變異葉片的後代。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。We find the chimeric protein in leaf epidermal cells, stomatal guard cell and root epidermal cell. actin filaments can be visualized clearly in guard cell, in guard cells of open stomata under light, actin filaments arrange reticulate randomly in cytoplasm. in guard cells of closed stomata under darkness, actin filaments arrange curly along the longitude of guard cell
在葉片的表皮細胞、保衛細胞、根部的皮層細胞中有融合蛋白的表達,保衛細胞中微絲標記狀況良好,經光誘導處于開放態的氣孔的保衛細胞微絲呈網狀結構,在細胞內無規則分佈;經黑暗誘導處于關閉態的氣孔保衛細胞中微絲束沿保衛細胞縱軸排列,呈捲曲狀分佈。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The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology
本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器系統,系統採用紅外線分析法測定光合速率,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速率、蒸騰速率、氣孔導度和細胞間隙co _ 2濃度等與植物光合作用相關的參數。If you find a four - leaf clover, it will bring happiness
若能找到有4瓣葉片的苜蓿草,就能得到幸福。Two kinds of actual blade were tested with this system. the analysis results are just the same as the practical operation. this shows that the numerical flutter analysis system is effective and can be used in the practical engineering problem
利用此系統對實際葉片的顫振特性進行了評估,得到了正確的結果,說明了本文的方法和所建立的系統正確有效,可望在工程實際問題中加以應用。The blade inner channel cooling is very important in the design of turbine blade, with the ever - increasing inlet temperature, the new heat transfer enhancement structures of higher performance are demanded. because of the complexity of the flow and heat transfer of the blade inner channel cooling, the numerical modulation is superior to the experiment. this thesis studied the blade inner channel cooling with the method of numerical modulation
葉片內部通道冷卻在航空發動機葉片的設計中佔有重要的位置,航空發動機進口溫度的增高對其提出了更高的要求。由於葉片內部通道冷卻的流動與傳熱的復雜性,數值模擬較實驗的研究方法有其優越性,本文利用數值模擬的方法對葉片內部通道冷卻進行了研究。Mainly, the type of pump in the large - scale irrigation and drainage pumping station in our country is adjustable - blade propeller pump. we can regulate the pump ' s blade mounting angle following the variation of water level at the inlet and outlet of the station in order to control the discharge of pump, we also determine the number of running machines with machine ' s optimal combination. so we can reduce its energy consumption, and make it optimally and economically run
我國大部分大型電力排灌站所安裝的泵都為可調節葉片的軸流泵,這一有利條件使我們可以根據排灌站進、出口水位的變化來調節水泵的葉片角度,控制水泵的流量,併合理的確定開機臺數,通過機組間的優化組合,使整個泵站的能耗最少,達到整體最優、經濟運行的目的。This study started from the analysis of morphological characteristics of samples ( including 27 flowering prunus mume varieties, 19 fruiting prunus mume varieties and 8 varieties between prunus salicina and prunus ameniacd ) such as leaves and stones, followed by the analysis of rapd and clustering of the rapd result. it has revealed that : there were great differences in leaf morphology among p. mume, p. salicina and p. ameniaca
本研究對54個供試材料(其中包含27個花梅品種、 19個果梅品種、 8個李杏品種)形態部分的葉片、果核的性狀特徵進行分析,然後採用rapd分子標記技術對其基因組dna差異進行檢測及聚類分析,結果表明:李、杏、梅三者在葉片的形態特徵上有較大差異。The results of simulation are analyzed thoroughly. some worthy information is provided for the design of blade
並對數值模擬結果進行了深入地分析研究,為葉片的設計提供了有價值的信息。Touch on developing large - flow and high - pressure ratio impressor and large - enthalpy drop turbine, reducing harmful emission, solving the major problems of high - temperature blade material, cooling, protective coating and single - grain blade casting, and comfirm some important manufacturing techniques
涉及了開發大流量高壓比壓氣機、大焓降渦輪,降低有害排放量,解決高溫葉片的材料、冷卻、保護塗層及單晶葉片鑄造等主要問題,並確認了一些關鍵的製造技術。The maize and neorgelia cawlinae meyendor ffii were treated with uv - b radiation with the intensities of 0uw. cm - 2 ( ck ), 10uw. cm - 2 ( r1 ) and 15uw. cm - 2 ( r2 ), the duration of uv - b treatment were ten hours per day ( from am8 : 00 to pm18 : 00 ). the effect of uv - b radiation on the photosynthesis was studied, and the results showed as follows : ( l ) the effects of uv - b radiation on photosynthesis of maize and neorgelia cawlinae meyendor ffii the results of the experiment show that the photosynthesis of maize seedlings was restrained because of the decrease of chlorophyll contents activity of hill reaction stamotal conductance activity of pepcase and atp content caused by increased uv - b radiation, and it was more restrained under higher uv - b radiation. though the activities of rubpcase and pepcase were decreased, the chlorophyll contents activity of hill reaction stamotal conductance of mature maize were not affected, therefore the photosynthesis of grown - up plant was not affected
Cm ~ ( - 2 ) ( r2組)的uv - b輻射,每天處理10小時( 8 : 00 ? 18 : 00 ) ,直至玉米成熟,以自然光照為對照( ck組) ,對增強uv - b輻射條件下玉米和紅彩鳳梨光合作用的響應作了深入的研究和探討,結果如下: ( 1 ) uv - b輻射對玉米和紅彩鳳梨光合作用的影響研究結果表明,因增強uv - b輻射降低了玉米幼苗葉片的葉綠素含量、 hill反應活力、氣孔導度、 pepcase活性和atp含量,從而影響了玉米幼苗的光合作用,使其光合速率下降,且隨uv - b輻射強度的增加其影響程度加大;而玉米成株在增強uv - b輻射環境下其葉綠素含量、 hill反應活力、氣孔導度等未受影響,雖然其rubpcase活性和pepcase活性有所下降,但總體上其光合作用受到的影響不大。Denticulate describing a leaf margin that is finely toothed
具細牙齒的:葉片的邊緣有細密的鋸齒。A feature information model is proposed to combine the design information and the geometric information of turbine blade in a same model
本文提出了渦輪葉片特徵信息模型,將渦輪葉片的設計信息和幾何信息有機的統一在了一起。The warping is found in terms of the 1 - d strains via the variational - asymptotical method ( vam ) and then cross - sectional stiffness for a gpr blade with arbitrary geometry and material property can be obtained
根據1維應變,用變分漸近方法建立翹曲位移,然後可以得到具有任意幾何形狀和材料特性的玻璃鋼葉片的橫截面剛度。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。分享友人