無性系試驗 的英文怎麼說

中文拼音 [wúxìngxìshìyàn]
無性系試驗 英文
clonal test
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 無性 : [生物學] asexual; [植物學] neuter; agamo 無性繁殖 vegetative propagation; 無性生殖 asexual reprod...
  • 試驗 : trial; experiment; test
  1. In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv

    理化學研究表明，該病毒為rna病毒，對氯仿、乙醚敏感；胰酶試驗中，經37 、 1小時處理的病毒，仍然能夠在貓源細胞fcwf細胞上生長，並且毒力基本保持不變；耐酸性試驗中，病毒分別在ph5 . 0和ph3 . 0經37作用2小時，毒力僅下降一個滴度；耐熱性試驗中，該病毒在恆定溫度50 ，設定不同時間，從5分鐘到150分鐘，毒力均有不同程度下降，其中， 50作用30分鐘，病毒平均滴度下降2個單位； 50 ， 60分鐘， cpe消失；恆定時間1小時，設定不同溫度（ 50 - 60 - 70 - 80 ） ，病毒在細胞上完全喪失增殖能力， cpe消失。生物學試驗，利用實驗室現有條件，選擇不同的細胞系對該病毒進行培養，發現該病毒對貓源細胞fcwf最敏感； mdck細胞次之； f81細胞經多次傳代，亦可出現cpe ；而vero細胞則不敏感。血凝試驗表明，該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。
  2. Research on the experiment of the clonic breeding of adult eucalyptus

    桉樹成林無性系轉化試驗研究
  3. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值
  4. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值
  5. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  6. This paper adopts linear interpolation to deal with data of wind tunnel experiment for sample uav and realizes modeling and simulation of the sample uav with c language in common aerodynamics and moment coefficient

    本文採用線性插值處理樣例無人機風洞試驗數據，採用正常情況下的氣動力及力矩系數數學模型，並用c語言實現樣例無人機建模與模擬。
  7. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果
  8. Regional test of poplar clones in section aigeiros

    黑楊派無性系區域化試驗初報
  9. A "clonal test" is an experiment in which rooted cuttings or grafted trees are planted according to a replicated design and measured after a period of years.

    一個「無性系測定」試驗是生根的插條或嫁接的樹木按照重復設計栽植的，並在生長幾年後進行測定。
  10. 1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2

    將上述制備得到的納米二硫化鉬顆粒和普通二硫化鉬粉末（ 1 . 5 m ）以不同濃度分散在n46機械油中，在mq - 800四球摩擦磨損試驗機上考察它們的最大無卡咬負荷（ p _ b值） 、耐磨性能和摩擦系數；並在mm - 200摩擦磨損試驗機上，通過環?塊摩擦副，比較和分析了它們的摩擦學特性。
  11. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。
  12. This paper describes the best growth regulator levels were selected for four suitable eucalyptus clones by trials of selecting suitable growth regulator levels on rooting in tissue culture for four eucalyptus clones

    本研究通過4個桉樹無性系組培生根培養最適生長調節劑的篩選試驗，篩選出各無性系生根培養的最佳生長調節劑濃度。
  13. An introduction experiment of the narrow fast - growing clone of black locust in ningxia

    窄冠速生刺槐無性系引種試驗
  14. Plastics piping systems - thermoplastics piping systems for buried non - pressure applications - test methods for leaktightness of elastomeric sealing ring type joints

    塑料管道系統.用於地下無壓裝置的熱塑性管道系統.橡膠密封環型連接件密封性的試驗方法
  15. Thermoplastics piping systems - non - end - load - bearing elastomeric sealing ring type joints between pressure pipes and moulded fittings - test method for leaktightness under internal hydrostatic pressure without end thrust

    熱塑管道系統.壓力管和模塑管件的無端負荷彈性密封環型連接件.在無軸向推力時內部流體靜壓力下密封性的試驗方法
  16. Cultivation experimentation of walnut early fruiting varieties at central yunnan regions

    滇中地區核桃雜交早實優株無性系的種植試驗
  17. Consulting the 《 the experiment technique of automobile " s heating capability 》 and any other experiment technique on carriage, the microbus " s temperature field experiment technique is systemically established in the condition of no uniform criterion on the microbus " s temperature field experiment at present

    在微型麵包車溫度場試驗方法尚無統一標準的情況下，參照《汽車採暖性能試驗方法》和有關國內外汽車溫度場試驗方法，根據微型麵包車的自身特點，系統地提出了微型麵包車溫度場試驗方法，並在環境艙中進行了微型麵包車溫度場試驗。
  18. Radio equipment and systems. land mobile service. technical characteristics and test conditions for radio equipment with an internal or external rf connector intended primarily for analogue speech

    無線電設備和系統.地面移動業務.最初用於模擬語言的帶內部或外部rf連接器的無線電設備技術特性和試驗條件
  19. Plastics piping systems - end - load - bearing and non - end - load bearing assemblies and joints for thermoplastics pressure piping - test method for long - term leaktightness under internal water pressure

    塑料管道系統.熱塑性壓力管用端負載和無端負載支承組件和接頭.內部水壓下長期密封性的試驗方法
  20. 2. based on the test results published over the word of steel fiber reinforced concrete beams without web reinforcements and with stirrups, the effects of steel fiber to shear resistance and the relationship of steel fiber to stirrups are analyzed, the improvements of steel fiber to failure states of reinforced concrete beams without web reinforcements are discussed. it is proposed that the formula of shear resistance of steel fiber reinforced concrete beams based on the model of the current design and construction spectification of steel fiber reinforced concrete structures ( cecs38 : 92 ), used of the uniaxial tensile strength of steel fiber reinforced concrete, and combined with different formulas specified in current design codes of concrete structures issued by different trades

    根據收集到的國內外對鋼筋鋼纖維混凝土無腹筋梁和鋼筋鋼纖維混凝土有腹筋梁的斜截面受力性能試驗研究成果，對鋼纖維在增強鋼筋混凝土無腹筋梁和有腹筋梁斜截面承載力方面的作用及其在箍筋抗剪承載力的關系進行了總結分析，對鋼纖維改善鋼筋混凝土梁破壞形態方面的作用進行了分析討論，提出了採用鋼纖維混凝土軸心抗拉強度指標，基於現行cecs38 ： 92 《鋼纖維混凝土結構設計與施工規程》計算模式、能夠與目前國內各行業現行混凝土結構設計規范中不同的鋼筋混凝土梁受剪承載力設計方法配套使用的鋼筋鋼纖維混凝土梁受剪承載力設計方法。
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