隔離研究 的英文怎麼說

中文拼音 [gélíyánjiū]
隔離研究 英文
isemsi
  • 隔 : partitionseparate
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 研 : 研同 「硯」
  • 究 : Ⅰ動詞（仔細推求; 追查） study carefully; go into; investigate Ⅱ副詞[書面語] （到底; 究竟） actually; really; after all
  • 隔離 : keep apart; isolate; segregate; isolation; isolated; apartheid; enclosure; enisle; severance; seg...
  • 研究 : 1. （探求） study; research 2. （考慮或商討） consider; discuss; deliberate
  1. Cryptic species have been found in a wide range of marine organisms ; with majority of them are benthic invertebrates. in contrast, marine holoplanktons are thought to have lower diversity and slow speciation due to their strong dispersal potential. this paper reviewed studies on cryptic species and speciation in marine holoplankton. based on findings in 38 studied taxa, it was concluded that : 1 ) cryptic species are pervasive in marine holoplankton, suggesting holoplankton speciation was more active than previously thought ; 2 ) current morphospecies diversity is untenable to reflect true species diversity in marine holoplankton ; 3 ) geographic isolation may facilitate cryptic speciation of marine holoplankton. however, contribution of allopatric speciation is still questionable ; 4 ) ecological speciation may be the prevailing speciation mode in marine holoplankton. cryptic speciation in marine holoplankton is paradoxical, because rapid speciation under strong gene flow is countertuitive. solution of this paradox will help us gain deep insights of marine speciation and biodivesity

    隱種廣泛存在於各類海洋生物中，尤其是底棲無脊椎動物.然而，海洋終生浮游生物由於具有較強的擴散能力，往往被視為生物多樣性低、物種形成慢.本文就海洋終生浮游生物隱種與物種形成的研究作一綜述.基於研究的38個種類，結果表明: 1 ）海洋終生浮游生物普遍存在隱種，其物種形成要比想象得快; 2 ）由於引種的廣泛存在，形態種生物多樣性無法反映海洋終生浮游生物真正的物種多樣性; 3 ）地理隔離有助於海洋終生浮游生物隱種的形成，但異域物種形成的作用仍值得商榷; 4 ）生態物種形成很可能是海洋終生浮游生物物種形成的主流模式.海洋終生浮游生物強基因流下快速的物種形成有悖于生物進化常理，解決該悖論將有助於我們對海洋物種形成和生物多樣性的理解
  2. The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically

    文章研究了來流速度，撞擊塊高度、隔板位置等因素對氣相速度場、隔板兩側配風均勻性、顆粒濃度、濃淡分離比和燃燒器內阻力特性的影響。
  3. As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured

    用粉末x射線衍射儀鑒定它們的結晶相；在（ 600 1000 ）范圍內，以燒結體作為電解質隔膜，多孔性pt黑為正、負電極， pt - rh合金網為集電極，分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能，研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。
  4. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上，獲得了該體制引信差頻信號中，距離信息的存在形式和特點，得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論，即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論，結合無線電引信的具體特徵，提出了適用於無線電引信的頻率捷變序列的選擇原則，並構造了基於rs碼的寬間隔頻率捷變序列族。
  5. The effect of exit back pressure and length / height ratio of isolator on forebody / inlet flow field is analyzed and discussed in the paper

    本文還研究了隔離段出口反壓及隔離段長高比對進氣道流場的影響。
  6. Study on water impulsion of water isolation pumps and its solution measures

    水隔離泵水擊問題的研究及解決措施
  7. Abstract : the main characters and seed set of bc1 ， bc2 ， bc1f2 from ms line back - crossing with the pollen of hybrid rice were studied. the appearance of a large number of self fertile plants in ms line was analyzed. the effect of introgression of restoring genes on ms line purity and hybrid yield in indica and japonica rice was discussed. it was pointed out that “ iso - cytoplasm restorer line ” was seriously reducing the purity of ms line and that hybrid rice was unsuitable for isolation zone in the seed production fields

    文摘:研究了雜交稻花粉對母本不育系回交後代群體bc1 、 bc2 、 bc1f2的主要農藝性狀和育性表現，分析了不育系中出現大量自交結實株的原因，討論了恢復基因滲入對秈、粳不育系純度和雜交稻產量的影響，指出「同質恢」對降低不育系純度的嚴重性和雜交稻作制種田隔離區的不合理性。
  8. Based on the atmospheric dust experiment, researches the contaminant air exchange caused by the temperature difference while opening the door of isolation wards

    摘要基於大氣塵實驗，研究了隔離病房開門時溫差對污染物外泄的作用。
  9. In subgroup, there are no differences between specimens of same species from different places for instance c. militaris or a ittle differences for example c. sobolifera. according to above analysis a new classified criterion proposed is that in classification of the genus cordyceps whether the perithecia are immersed or not should be the first classified characteristic, which is quite different from the classic ones. at the same time based on the investigations, isolation and identification of cordyceps spp. and other entomogenous fungi collected from more than 10 different ecological places or natural preserves in southwest china

    對西南地區10多個不同生態區或自然保護區的蟲草及其他的蟲生真菌進行了調查和分離研究，發現了3個蟲草新種和4個半知菌新種，既茂蘭蟲草（ cordycepsmaolanensis ） ，貴州蟲草（ c . guizhouensis ） ，擬布里班克蟲草（ c . brittlebanksoides ） ，蜻蜒擬青黴（ paecilomycesodonatae ） ，雙梭隔梭孢（ septofusidiumbifusisporum ） ，香棒彎頸霉（ tolypocladiumbarnesii ） ，蟬白僵菌（ beauviriasobolifer ） 。
  10. The authors discovered four peculiar phenomena, i. e., the self seed - setting and its genetic stability of the autoteraploid rice, the early - generation stabilization in the cites between alloploid rices, the self embryogenesis of autoteraploid rice wider isolated conditions, and a high seed - setting percentage in some plants of autotetraploid rice after the treatment of ion beam, in the research of autotriploid and autotetraploid rices

    在對同源三倍體水稻和同源四倍體水稻的研究中發現了值得注意的4種奇特現象，即同源三倍體水稻的結籽現象及其倍性的遺傳穩定性、在異倍性水稻間的雜交後代中早世代性狀穩定遺傳的現象、在隔離條件下同源四倍體的胚自發現象和離子束注入后同源四倍體水稻單株的高結實現象。
  11. The main work of this thesis is theoretical and experimental research on non - isolated single - end three - level dc / dc converters with passive lossless soft switching. a 1kw three - level buck converter with passive soft switching is designed to verify the research

    本文的主要工作是對無源軟開關三電平非隔離dc dc變換電路的理論與實踐研究，設計並實現了一臺功率1kw的無源軟開關三電平buck變換器。
  12. This dissertation takes blacks education in the 20th century as the research subject. from the standpoint of education equality, and with desegregation and integration in school as the main thread, it explores the dynamics and resistant forces of blacks education in the wider social, political and economic background

    本論文以20世紀的黑人教育為研究對象，以黑人追求教育平等為切入點，以取消學校種族隔離，實現學校種族一體化為主線，在廣闊的社會政治經濟背景之中探討了黑人教育發展的動因和阻力。
  13. The result shows that the pbg structure has obvious character of forbidden band at the suitable size, and can be designed to good performance microwave filter. the pbg structure have the character of high resistance, that can reinforce the forward radiation, and reduce the backward radiation, increase the directivity, improve the gain and ameliorate the performance of the antenna. in addition, the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements

    研究結果表面，取合適的尺寸時， pbg結構具有明顯的禁帶特性，可以設計成性能良好的微波濾波器； pbg結構具有高阻特性，把這種特性用於微波天線時， pbg結構可以加強前向輻射，減小後向輻射，增大天線的方向性系數，從而提高天線的增益，改善天線的性能，另外， pbg結構還可以大大提高天線單元之間的隔離度，顯著減小天線單元間的耦合。
  14. The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar

    研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響，結果表明，選用變質高碳無鈷高速鋼作外層，用球鐵作內層，選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度，結合採用表面感應熱處理工藝，可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環，用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。
  15. The soi is of crystal quality and the box is uniform in thickness, with the interfaces of si / sioa / si smooth and sharp. we have systematically studied the dependence of the formed soi structure on the process parameters, such as ion energy, implantation dosage, substrate temperature, as well as the annealing temperature. with xtem, sims, srp, rbs, ir, raman, aes, xps and other characterization tools, it was found that a dose window at fixed energy for water plasma ion implantation to form high quality soi structure similar to the conventional simox process exists

    本論文還系統地研究了不同注入劑量、注入能量、注入時基底溫度以及退火溫度對所形成soi結構性能的影響，藉助xtem 、 sims 、 srp 、 rbs 、 ie 、 raman 、 aes 、 xps等測試分析手段，我們發現，與傳統注氧隔離（ simox ）技術類似，存在著「劑量窗口」形成優質的soi材料，但在水等離子體離子注入方式中soi材料結構質量對劑量變化更為敏感，隨著注入劑量的增大， soi材料的埋層厚度增大而表層硅厚度減小。
  16. Principle and experimental research into 4 photocoupler s isolation amplifier

    四光耦線性隔離放大器原理及實驗研究
  17. In order to study the influence of different process on the threshold voltage uniformity, gaas mesfets are fabricated both in recessed - gate process and planar selectively implanted process

    分別對採用隔離注入挖槽工藝和平面選擇離子注入自隔離工藝制備的gaasmesfet閾值電壓均勻性進行了比較研究。
  18. The influence of different process on gaas mesfet sidegating effect has been studied. these process include recessed - gate process, planar selectively implanted process and planar boron implanted process

    本文對分別採用隔離注入挖槽、平面自隔離和平面離子注入隔離三種工藝制備的gaasmesfet旁柵效應進行了研究。
  19. Studies on some biological features of trichinella isolates

    各旋毛蟲隔離種某些生物學特性研究
  20. Vibration isolating study on a centrifugal fan noise controlling system used in a mine wind well

    離心風機風井噪聲治理隔振研究
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