ra a 中文意思是什麼

ra a 解釋
Ra A ＝radium A 【化學】鐳 A 〈即 Po218〉。

  • ra : n. 【埃及神話】太陽神。Ra1＝radium 【化學】鐳。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  1. When you are applying for admission, you only need to be a quality applicant. but when you are applying for an assistantship ( a ta, ra, or ga ), you need to show that you have the skills to do the job

    申請入學時，你只需成為一名合格的申請者，但是當你申請資助（助教、助研或研究生資助）時，你就得表明你有能力做這項工作。
  2. The protein nucleic acid complexes were identified by autoradiography for 48 h. the psg5heo and igfbp - 6 promoter pcat vectors were transfected into cos - 7 cells with iipofectamin2000 ; these cos - 7 cells where treated with 1 jxm e2, with lonm tcdd and with both lonm tcdd and 1 jxm e2, individually ; the cat protein was examined by cat - els a. results : the congenital skeletal defects in fetal rats were induced with 10 - 15ug / kg tcdd or with 100 - 140 mg / kg ra with dosage - dependence effect. the igfbp - 6 mrna in rat calvaria tissue and mc - 3t3 - el cells were increased with tcdd and ( or ) ra, whereas the cell proliferation and igf - 2 mrna in mc - 3t3 - el cells was decreased in the status of e2

    結果: tcdd在大鼠胚胎發育時期具有骨骼致畸作用，骨骼發育畸形包括:內翻足、脊柱裂、顱面骨發育缺陷、無尾畸形等;隨著tcdd濃度的升高（ 10一15林擴kg ） ，致畸率明顯上升（ 14 . 7 %一24 . 6 % ） ; tcdd和ra聯合用藥可以增強對大鼠骨骼發育的致畸效應; e :對成骨細胞內igf一2基因有正性調節作用，對igfbp一6基因有負性調節作用， tcdd可以抑制e :對細胞內xgf一2和igfbp一6的調節作用。
  3. Ra l and roberto carlos are still there but neither was a p rez summer signing brought to the capital by private jet and military cavalcade ; neither represented galacticism quite like the englishman

    勞爾和羅伯特?卡洛斯雖然還在，但他們都不是弗洛倫蒂諾用私人飛機和儀仗隊迎接到西班牙首都來的球員，他們不能像小貝這個英格蘭人那樣代表銀河巨星主義的理念。
  4. Dhows lie beached near ra ' s al hadd in oman, their hulls sealed with a coating of cement and animal fat

    在阿曼的拉斯哈德附近，一艘艘三角帆船躺在沙灘上，船殼上塗著膠合劑與動物脂肪的混合物。
  5. Researchers have since cloned cats, goats, cows, mice, pigs, ra its, horses, deer, mules and gaur, a large wild ox of southeast asia

    此後研究人員還克隆了貓、山羊、牛、老鼠、豬、兔子、馬、鹿、騾及白肢野牛（東南亞地區一種大野牛） 。
  6. Real madrid captain ra l gonz lez traveled to senegal this week as a goodwill ambassador for the food and agriculture organization of the united nations ( fao ) to pitch in to help fight hunger in africa

    皇家馬德里隊長勞爾?岡薩雷斯本周作為fao親善大使訪問了塞內加爾，為非洲像饑餓所作的斗爭出自己的一份力量。
  7. The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done

    自1989年在摻雜鈣鈦礦型錳氧化物ra _ （ 1 - x ） m _ xmno _ 3 （其中m為金屬離子， ra為三價稀土離子）中發現龐磁電阻（ cmr ）以來由於其在磁記錄、磁傳感器等方面潛在的應用前景，以及金屬?絕緣體相變等所涉及的強關聯效應，使該類化合物吸引了物理學界的廣泛注意。
  8. The modulation of sound properties over a wide range of time scales is one of the most obvious characters of oscine passerine ' s vocal, whose song contains many different kinds of syllables that consist of many more multiple song phrases. in oscine passerine, ipsilateral projections of ra to nxiits innervates the ipsilateral syringeal muscles exactly, and thus they have strong ability of vocal control with variable tones, high frequency and higher lever of quality. as a result, the songs sound well

    鳴禽鳴囀的最大特點之一便是其單次鳴唱時間長，鳴唱所包含的音節數量和音節種類繁多，因而由這些音節所組成的句型結構也是復雜多樣富於變化，且由於nxiits嚴格的側別控制（每一側核團只支配同側鳴肌） ，使其具有更強的控聲能力，其鳴聲音調變化幅度大，頻率高，品質因數大，音色好，因而其鳴聲也悅耳動聽。
  9. However, in a subgroup of rheumatoid arthritis ( ra ) patients, etanercept normalizes an anabolic response to overfeeding

    然而，在類風濕性關節炎（ ra ）患者的一組中，服用依那西普可使因吃的過量引起的合成代謝反應正常化。
  10. Asian special edition includes all her hit songs a bonsu disc featuring the chinese version of " ra ra ra " 4 collectible music videos

    亞洲特別版一次珍藏3首韓國冠軍單曲，超值cd加贈" ra ra ra "中文版"心語呢喃"及4首mv
  11. Fig. 1 - 1 a, straight ( rectangular ) tourniquets fit optimally on cylindrical limbs. b, curved tourniquets best fit conical limbs. ( from pedowitz ra, gershuni dh, botte mj, et al : clin orthop 287 : 237, 1993

    圖1 1a直（長方形）止血帶最適合用於柱狀的肢體。 b弧形止血帶適用於圓錐形的肢體。
  12. What exactly is a headpiece to the staff of ra

    神杖的杖頭究竟是什麼
  13. The improved model itrs - ra is shown to be terminating, and confluent under a certain condition

    本文證明了改進后的模型itrs - ra是終止的，並且在一定條件下合流。
  14. At present, the traditional chinese medicine which is developed and has a special therapeutic effectiveness includes the cosmetic and healthy food which can resist aging and lots of prescription which can cure gout, hepatic disease, gastrointestinal disease, trachitis, chronic cholecystitis, arthritis, rheumatoid arthritis ( ra ), scapulohumeral periarthritis, gynecopathy, oral ulcer, rhinitis, inflammatory swelling of unknown origin, venereal disease ( vd ), angitis, diabetes, hypertension and so on

    目前開發的具有獨特療效的中藥有：道家秘傳抗衰老保健美容益壽食品，治療痛風病、各種肝病、各種腸胃道病、氣管炎、慢性膽囊炎、關節炎、類風濕關節炎、肩周炎、各種婦科病、口腔潰瘍、各種鼻炎、無名腫毒、各種性病、脈管炎、糖尿病、慢性咽炎、高血壓病等多種方劑。
  15. This season, the 80 ' s are making a comeback. skinny jeans, biker jackets, ruffled ra - ra skirts and leggings were all featured heavily on catwalks

    本季， 20世紀80年代的風格卷土重來。瘦腿牛仔褲、騎士夾克、有褶邊的娃娃裙和綁腿全都是t型臺上的重要特色。
  16. Ra l castro, who heads a collective leadership, has launched an “ open debate ” on economic reforms

    勞爾卡斯特羅作為集體領導的一員發起了一場對于經濟改革的「公開討論」 。
  17. Register to receive your personalized doctor discussion guide and a " living with ra " dvd

    你就回收到< >和一張< > dvd
  18. The concept of resources abundance ( ra ) is introduced. by discussing the concept of water resources quantity and its calculation with specific emphasis on measure to counteract its inadequacy, a new model : the richness degree of water resource ( rdwr ), was proposed with in temporal - spatial context

    介紹了資源豐度的概念。通過對水資源量概念的探討，首次提出了水豐度的概念、理論。當前水資源量是一個體積意義上的概念，它未考慮淡水作為資源的時效性，簡單地認為「等量即等價」 。
  19. So as to one collective operation, we will stratify the network and produce a multilevel topology tree by ra exploiting knowledge concerning the structure of a multilevel network. then we take advantage of the differences on communication cost at every level in the network multilevel topology tree to minimize communication across slower channels ( e. g., a wide - area network )

    因此對于某個集合通信，可以根據通信網路的拓撲信息，將該通信網路分成若干層，然後創建一個多層的網路廣西大學碩士論文網格環境下對己知托撲型集合通信的研究掏要拓撲結構樹，充分利用了樹中不同層的通信開稍的不同，總是使通過最慢連接（例如廣域網）的通信最小，這樣，該集合通信總的完成時間就最少，從而使集合通信的完成時間在網格環境下達到最憂。
  20. Tcdd influence the activity of diverse hormones, hormone receptors, mitogens, and other biological response modifiers and these interactions undoubtedly play an important role in the toxicity of these response. retinoic acid ( ra ) is ramification of vitamin a, having extensive biological effect on controlling conformation genesis, proliferation, differentiation, growth, metabolism of kinds of tissues and cells and stabilization of internal environment

    第一部分igfs家族成分在維甲酸誘導馬蹄內翻足畸形中的調控機制目的：維甲酸（ retinoicacid ， ra ）類物質是維生素a的衍生物，在調控多種組織和細胞的形態發生、增殖分化、生長發育、代謝及維持內環境的穩定等方面具有廣泛的生物學活性。
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