相對效度 的英文怎麼說

中文拼音 [xiāngduìxiào]
相對效度 英文
comparative validity
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. Abstract : the total quantity of perylene quinonoids in hypocrella bambusae ( b. et br. ) sacc., shiraia bambusicola p. henn and culture substance of ascomycetes hypocreacae ( fr ) tul. sp. were determined with spectrophotometric methods. the relative extraction efficiency were studied when ethanol, acetone and chloroform were used as solvents. among them acetone was the best one

    文摘:用分光光法測定了竹紅菌、竹黃和菌寄生菌培養物中?醌類化合物的總量;同時研究了以無水乙醇、丙酮和氯仿為溶劑提取?醌類化合物的率,結果發現以丙酮為溶劑最合適。
  2. The air codling system have been installed in open and semi - closed livestock houses. the experimental result revealed that the range of average temperature is reduced about 4, and the rh is about 80 percent, this environment can reduce the swine heat resistant. 5

    將本降溫系統實際使用在開放式豬舍中,進行了系統的初步生產試驗,由試驗數據表明,舍內控制區域內平均溫下降4左右,在80人右,豬八的生tffi環境沒有產生太人的矽,向,能夠人的緩解豬只a多的熱應訊5
  3. The analysis indicates that micropacking silica fume works to the density and relative density of rpc, and its pozzolanic effect helps the strength of rpc

    硅灰的微填充應有利於提高活性粉末混凝土的密,而火山灰應有利於提高其強
  4. Polymer antistatic agents have little relation to relative humiditiy, friction and washing, and the process of antistic could persist for a long time

    高分子永久型抗靜電劑空氣的依賴性小,抗靜電果持久,無誘導期,不受擦拭和洗滌等條件影響。
  5. Supercritical wings have been widely used on modern civil airplanes and military transports due to their higher aerodynamic efficiency, higher cruising mach number and greater relative thickness

    超臨界機翼由於其具有較高的氣動率、較高的巡航馬赫數及較大的機翼而被廣泛應用於新一代民用飛機及軍用運輸機上。
  6. Products function : put our “ sun shine ” brand carbon steel fiber evenly seep into concrete to form steel fiber reinforced concrete and it can decrease the thickness of reinforced concrete by half, it not only shorten the project time, save the material and manpower expense, bring distinct economic benefit, but also increase the performance of crack resistance, percussion resistance, tensile strength, bend resistance. scosspr resostamce amd wear resistance of the reinforced base materials. if the weight ratio of 2 % steel fiber seep into the concrete, it can solve the brittleness problem of the concrete, in the condition of 60 % ralative air humidity, after 21days air - dry, even 520 days air - dry, it ' s difficult to find any crack by eyesight, the bend resistance for the steel fiber concrete is 140 times stronger than the concrete without steel fiber, the capability of impact resistance increase 10 times

    產品功能:將本公司「雙興」牌碳鋼纖維系列產品均勻地摻入混凝土中,形成鋼纖維增強混凝土,可使工程中鋼筋混凝土的施工厚降低一半,不僅縮短了施工工期,節省了材料和人工費用,帶來顯著的經濟益,且增強了基體的抗裂、抗沖擊、抗彎、抗剪、耐磨擦等性能,如摻入本公司2 %鋼纖維的混凝土,不僅解決了混凝土的脆性問題,在空氣60 %的條件下風干21天後,甚至在風干520天,肉眼很難發現裂縫,摻入鋼纖維后的增強混凝土比不摻鋼纖維的混凝土抗彎強提高140倍,耐沖擊荷載提高10倍。
  7. The change of net radiation, earth temperature and relative humidity in the vegetable layer of cotton field was investigated on the basis of the data collected from microclimate in vegetable layer of cotton field with drip irrigation of the mulching film under increasing temperature effect in desert

    摘要根據沙漠增溫應下膜下滴灌棉田植被層內小氣候觀測資料,分析研究了棉田植被層內的凈輻射、地溫和的變化。
  8. Test study on the effective relative density of aggregate

    集料有試驗研究
  9. Under the condition of different soil humidity and measuring time, a series of ecophysiological indexes, such as net photosynthetic rate, transpiration rate, stomatal conductance, the flow of water, atmospheric temperature, relative humidity, photosynthetic available radiation, and hydraulic conductivity are measured in order to find the factors which cause robinia xylem embolism

    摘要在不同的土壤水分含量和不同的測定時間條件下,刺槐的一系列生理生態指標:凈光合速率、氣孔導、蒸騰速率、水勢、大氣溫、光合有輻射以及導水率進行測定,探求刺槐木質部發生栓塞的影響因子。
  10. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的互作用因子隨頻率呈周期性變化,在振動頻率比較低的情況下,樁的橫向互作用因子也較低,當頻率趨近於零時,互作用因子也趨近於零; 2 )樁的互作用因子的幅值隨瑞利波入射角的變化而變化,在= 0情況下幅值最大,且隨入射角的增加,波動的周期明顯縮短; 3 )樁的互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的互作用因子基本趨近於0 ; 4 )在頻率比較低時,互作用因子幅值隨樁土比的增加而顯著增加; 5 )樁頂固接可以有地降低群樁的橫向地震響應幅值,由瑞利波產生的群樁應可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震響應是不同的,每根樁所在的樁位其橫向地震響應有很大的影響;刀樁數的增加並不能減小樁的橫向動力響應。
  11. Firstly this paper summarized relational literatures on the way of basic theory, study method and conception ; secondly this paper analysed the actuality of allocation for higher schools " s s & t resource according to year 1995 - 2000 < usts > and < ' 00 national r & d resource check data >. then this paper evaluated the allocation actuality by the method of ahp and dea on the directly in - output efficiency and relatively efficiency according t o above analysing. finally this paper optimized the allocation structure by the method of sd. and brought forward the standard of optimizing allocation according to the speciality of s & t resource, and that this paper relevant countermeasures, and offered the decision - making gist for government department

    本論文首先關文獻從基礎理論、研究方法和概念方面進行了綜述;其次依據1995 - 2000年教育部每年的《高等學校科技統計資料匯編》 ,以及《 2000年全國r & d清查數據》 ,河北省高校科技資源配置的現狀,從規模、結構方面,重點人力資源、財力資源,分別運用層次分析、 dea等方法,從直接投入產出率和率角配置現狀進行了分析評價;最後根據科技資源配置的特點和基礎理論提出了優化配置的標準,同時運用系統動力學方法配置結構進行了優化,而且提出了應的策,為決策部門提供了可以參考的決策依據。
  12. For the laminate which contains a crack, the suggested patch shape is rectangle, the patch thickness is equal to the parent laminate and the patch stacking sequence is the same as the parent laminate. because the length and the width of the patch have the fewer influence on the repair effect, the patch has the least weight on the basis of enough edge distance, end distance and space having been promised

    ?于含裂紋復合材料層壓板,長方形補片的長和寬修補果沒有非常明顯的影響,因此在保證連接邊距、間距和端距的條件下,補片大小的選擇應該以節省重量為原則;而當補片的鋪排順序與母板同、為100時能夠獲得比較好的修補果。
  13. The correction methed mentioned above, employed in this paper can assimilate tbb data to numerical model directly, and it has phisical significance clearly other than regressive method also. 2 ) the experiments verify that correction method gives better results than conventional regressive method in intensively convective zone

    而且模擬試驗結果也表明,用t _ ( bb )資料溫訂正法和在較強流雲區t _ ( bb )資料增強訂正方法可取得比傳統的統計反演方法更好的果。
  14. In this paper introduced the study of fuzzy controller which was used for co2 supplying control from co2 source - high - pressure steel tin to culture box, studied the control of relative humidity and co2 concentration in the culture box and effects of co2 enrichment ( enrichment concentration was 900 - 1100mol mol - 1 ) on the growth of chrysanthemum plantlet and tried to clean the air in the culture box by cycling the results indicated that this environment control system operates normally and reliably. it can keep the co2 concentration and relative humidity in setting scope ; it is good to the growth of the culture plantlets to clean the air in culture box by cycling ; co2 enrichment can promote the growth and photosynthetic and can increase the percentage of shooting the number of new leaves of the chrysanthemum plantlet cultured under co2 - enriched condition is 1. 85 times of the plantlet cultured under co2 - nonenriched condition ; the number of the roots of the chrysanthemum plantlet cultured under co2 - enriched condition 5. 67 times greater compared with the plantlet cultured under co2 nonenriched condition

    結果表明:所研製的無糖組培微環境co _ 2增施監控系統工作正常、穩定、可靠,能有地將組培箱內的co _ 2濃及其控制在設定范圍內;用箱外循環法箱內氣體凈化處理后,改善了組培箱內的氣體環境,有利於組培苗的生長發育; co _ 2富集環境中,組培苗生長健壯、發育良好,生根率顯著提高,根系發達。本實驗條件下,處理組菊花組培苗的新增葉片數是照組的1 . 85倍;處理組的根總長是照組的10 . 6倍;處理組根數是照組的6 . 67倍。
  15. 3. based on theoretical analysis and experimental results, the high relative humidity was diffcult to maintain in the closed tissue culture system when all of the fluorescent lamps were turn on, because of deficiency of the humidifier ' s capacity and air ventilation by top air nozzle outlets and return air in the bottom. 4

    根據加濕過程的理論計算與試驗分析,指出本系統中降溫與加濕共存階段加濕果不明顯,同時由於加濕器的加濕容量不足,頂部送風和下部兩側回風的通風方式造成了室內的無法在熒光燈全開時達到控制要求。
  16. In the forth chapter, we discuss the effect of outsourcing and foreign - direct - investment ( fdi ) from the north on the rate of technical change and wage gap between skilled and unskilled workers in the south and the north

    發展中國家的工資取決于技術變化速率的變化、勞動力供給和技能分佈。大量低技能工人產生了向下的工資壓力。而高技能工人則進入到技能密集型行業。
  17. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知,使傳感器位偏置為/ 2 ,減小電極間距,提高電光重疊因子,減小器件插入損耗,採用合適的分段數,增加電極長,增大光功率,降低激光的波長,減小噪聲,減小接收帶寬,提高靈敏果是非常明顯的。而減小天線長,降低調制器電容,電極分段,都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率,採用較低的光學偏置,都可以增大線性動態范圍。
  18. The relative density of the powder flan was well controlled by design of the press process. the property of the flan was good

    本文通過壓制工藝的設計,有的控制了mo - cu粉末生坯的壓制密,得到了質量良好、符合預先設計要求的mo - cu粉末壓制生坯。
  19. Results show that triple reflection signal and quintuple reflection signal of ytype and s type are less 12db, 16. 67 db and 11. 8 db, 17. 3 db than that of " - ' " type saw mass sensor device. experiment results show that insertion loss ( about 14db ) of the devices in center frequency is close to the theoretical value ( about 16db ) developed by p matrix representation. sensing characteristics of y type and s type saw mass sensors have been also tested and analysed in detail. ethanol and pure water mixed solution containning trace nacl is titrated into mass loading area of y type and s type saw mass sensors devices to detect their mass loading sensitivities

    本文y型和s型雙聲路saw質量傳感器件的傳感特性進行詳細測試分析,在y廠書型和s型雙聲路聲表面波器件的質量沉積區中滴定含有微量naci溶質的乙醉和水的混合溶液,以測試器件的質量沉積應靈敏,它們分別約為2967ppm . cm丫夢g ( y型)和3一15ppm . emz /協g ( s型) ,與理論值38 . 93ppm . emz / 「 g近,拼處于國內外同型和s型雙聲路聲表面波器件的頻率一溫特性幾,其單聲雙聲路系數約為10一12hz / ,處于國內外同類研究先進水平。
  20. Discrete approach with 15 ' 15 ' grid is adopted in order to numerically simulate and calculate the gravitational potential field generated by the homogeneous rotation - symmetric ellipsoid, and it is verified that the method, the fictitious compress - recovery and the fictitious downward continuation of the gravitational field, is reliable and valuable at the relative accuracy level higher than 10 ^ ( - 4 )

    摘要採用15 ' 15 '網格離散化手段均質旋轉稱橢球體產生的引力位場進行了數值模擬計算,在優於10 ^ ( - 4 )的水平上,驗證了引力位虛擬壓縮恢復法以及重力場虛擬向下延拓法的可靠性和有性。
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