消旋體 的英文怎麼說

中文拼音 [xiāoxuán]
消旋體 英文
raceme
  • : 動詞1 (消失) disappear; vanish 2 (使消失; 消除) eliminate; dispel; remove 3 (度過; 消遣) pa...
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 體構詞成分。
  1. The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings

    顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺星雲凝固后形成有衛星的恆星群兩重大陽相互依存的轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的系化177多毛的眾彗星178那幾殆無限的被壓縮性,以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天對人的影響的假定威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三角形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱而形成的燦爛的新太陽大約在利奧波德布盧姆出生時,出現在七星花冠星座里而後又失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又失,小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又失了的假定是同一起源的實際存在或假定存在的星斗183 。
  2. The racemate is optically inactive.

    消旋體是不光的。
  3. The direct chiral separation of ( ? 3 - s ) - bridged racemic metal clusters was performed on cellulose - tris ( 3, 5 - dimethylphenylcarbamate ) chiral stationary phase ( cdmpc - csp )

    摘要在自製的塗敷型纖維素三( 3 , 5 -二甲基苯基氨基甲酸酯)手性固定相上直接拆分了? 3 - s蓋帽的外四面金屬簇合物。
  4. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性,利用外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。
  5. " angelo " sterilization gel is highly effetive while mild and safe to human body with no irritation, no - toxicity and no side effect. it can instantly kill various disease - causing germs such as monilia, trichomonad, mycoplasma. chlamydia, mycete, staphylococcus aureus, dipolcoccus gonorrhoeae

    「安潔樂」毒凍膠可迅速殺滅引起女性宮頸炎、陰道炎等皮膚粘膜感染的各類致病菌:如滴蟲、黴菌、淋病雙球菌、金黃色葡萄球菌、綠膿桿菌、白色念珠菌、衣原、支原、梅毒螺等,對人無毒副作用。
  6. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對流式豎井的能機理進行了探討,對豎井各部分的能能力有了總認識;四、對豎井下部力井的合理井深進行了優化試驗研究,發現力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  7. The smart rotor with active trailing edge is a new system for reducing the vibration which can adjust the air load of the blade to actively counteract the main harmonic of the force to the fuselage by controlling the deflection of the trailing edge

    主動后緣附翼控制是一種較新的翼減振系統,它通過控制后緣附翼的偏轉,調節槳葉的氣動載荷,實現對機激振力主要諧波分量的主動抵
  8. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍渦街流量計流量下限降低約50的新型雙鈍渦街流量計;揭示出脈動流中渦流量計流振動特性,並在此基礎上提出基於fft相位判別的數字信號處理方法來除流場脈動對渦流量計的干擾的方法。
  9. Methylbenzyl amine as chiral auxiliaries to react with racimic ketorolac. then authors got optical amides. the diastereoisomeric mixture were separated by column - chroatography on silica gel. the results of separation depend on the structure of r

    苯乙胺作為手性輔基,與外酮咯酸生成一對光學活性的酰胺衍生物,再用簡單易行的柱層析方法分離其非對映異構
  10. Two integrally cast lugs on the disc prevent the disc from spinning in service. this exclusive feature helps extend valve life in difficult services by eliminating disc spinning

    閥瓣上的兩個整鑄造的耳柄防止閥瓣在運行期間出現轉現象。這個獨特的特徵通過除閥瓣在嚴酷的應用中出現轉的現象,來幫助延長閥門的使用壽命。
  11. Miraball is a powerful advertising tool, making use of the persistence of vision. when a row or several rows of ultra brighter wide angle led spins at 2000 - 2200rpm, the built - in cpu commands the led dots light up or go out at a very accurate pre - programmed sequence, the user ' s desired texts and wild miraculously appear and float inside a crystal - like ball to catch all eyes

    二:魔球是一實用新型的費前沿動態廣告信息的發布媒,內置微電腦晶元處理經個人電腦預先編輯后存於記憶內的圖信息后,按非常精確的時序不斷點亮和熄滅,在一列或數更高速轉廣角發光二級管列陣中特定的點,在人眼視覺暫留作用下,用戶想要的圖文就會神奇地浮現在球內360度的視覺空間中。
  12. The hot air will enter into the bottom of the dryer and produce vigorous eddy airflow. it will produce strong washing out and bring out effect to material and eliminate the phenomenon of adhering wall

    乾燥氣進入乾燥機底部,產生強烈的轉氣流,對器壁上物料產生強烈的沖刷帶出作用,除粘壁現象。
  13. Dry gas enters into the bottom of drier and produces strong rotating air stream that exerts strong rushing effect to raw material on the wall, therefore the phenomenon of stricking on the wall is removed

    乾燥氣進入乾燥機底部,產生強烈的轉氣流,對器壁上物料產生強烈的沖刷帶出作用,除粘壁現象。
  14. In addition, from the angle of removing the negative gain media in the cycling gas and the excitation - counteracting media, we put forward the eliminating the impurity by using of the non - uniform stationary electrical field and the swirling electrical field so as to improve the effective excitation of the laser media

    本文還從清除循環氣中負增益介質以及激發介質的角度來改善激光介質的有效激發,提出了使用非均勻靜電場和渦電場清除雜質的方案。理論分析與部分實驗驗證表明,這兩種方案都能有效地清除混合氣中的雜質。
  15. To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking

    為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的耗而被鉆井液吸收。
  16. Enhanced heat transfer tube with spiral - surface has simple frame, cheap cost, and wide - ranging purpose. only few dirt can adhere to it and is easy to be washed. it has distinct strengthen effect, and can improve chief heat transfer coefficient at 35 - 40 % comparing with smooth tube exchanger which has same volume and pump power consumption

    型表面強化管結構簡單,成本低廉,用途廣泛,結垢少且易清洗,其強化效果明顯,與積、耗泵功率相同的光管式換熱器相比,螺槽管換熱器可以將總傳熱系數提高35 40 ,因而備受人們青睞。
  17. Premature failure of 70 / 30 ? pldlla cages, as observed in vivo in earlier studies, is owing to mechanical loading and the time - dependent mechanical properties of the material

    早期的內觀察已經觀察到70 / 30聚左/乳酸融合器過早的衰竭主要是由於機械負荷和材料本身的時間依靠的機械強度變化。
  18. The system eliminates the conventional rotating driving components, the absence of mechanical propeller system will lead to a reduction in the mechanical noise generated and make the arrangement of ship more expedient

    由於磁流推進取了傳統的螺槳推進系統中的螺槳、傳動軸、減速齒輪等轉動裝置,因此,它具有噪音小、布局靈活等優點。
  19. The crank - set of motor is a special rotate machine, in which the inertia combined - force caused by running crank will tremble the whole automobile along with rack. therefore, it has practical meaning to locate the inertia combined - force and eliminating its influence on whole system, which can reduce the uncomfortable feeling of driver, also promote entire performance

    發動機曲柄連桿是一種特殊的轉機械,其工作時產生的慣性力的合力會使發動機工作時產生振動,這個振動傳遞到機架上,引起整車的振動,從而使駕駛者感到不適,同時對整車性能產生不利影響,因此,找出並除這個慣性力的合力對于提高車輛的整性能有著重要意義。
  20. They found two events showing the shortening of pulsating cycle and decaying of radiations intensity. the signatures matched theories of what scientists would predict to see. when matter is falling so close to the event horizon, it will be circling the black hole with increasing speed and its light will rapidly dim as it is stretched by gravity to ever - longer wavelengths

    研究人員分析了極大量來自緻密天天鵝座xr - 1的紫外線輻射,發現其中兩組數據顯示,輻射脈沖的周期隨時間縮短,而其強度則隨時間衰減至失,這現象與一些物質在接近黑洞視界時繞著黑洞急促轉,放出的輻射因為重力紅移而衰減的情況相符。
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