自發衰變 的英文怎麼說
中文拼音 [zìfāshuāibiàn]
自發衰變
英文
spontaneous decay-
This experiment to adopt the method that paraffin was cut into slices studied the structural growth process on appearance and dissect of pugionium cornutum ( l ) gaertn in germination period and young sprout ; and to adapt wild flower, fruit, seed and cultivated root, stem and leaf of pugionium cornutum ( l. ) gaertn in leaf lushing period and leaf exhausting period from eerduosi city proceeded the research on appearance and anatomies. the result enunciates : the organs of pugiorium cornutum ( l. ) gaertn in root, stem and leaf have started dividing in germination period ; the transporting tissue and storing water tissue in young sprout period has been divided ; the ransporting tissue is flourishing, but the supporting tissue is unflourishing, so the root, stem and leaf of pugionium cormutum ( l ) gaertn is suitable for edibility
本試驗採用石蠟切片研究了沙芥發芽期、幼苗生長期各器官形態及解剖結構的變化過程；並對采自鄂爾多斯市野生沙芥花、果實、種子及人工栽培的葉片旺盛生長期、葉片生長衰退期的根、莖、葉等材料進行了形態及解剖學研究，結果表明：沙芥發芽期根、莖、葉各器官內組織已開始分化；幼苗期已分化出發達的輸導組織及貯水組織；葉片旺盛生長期各器官具有發達的輸導組織，但機械組織不發達，因此沙芥的根莖葉適于食用。Based on the theory of the extended fractal dimension, this paper studied the attenuation level of self - similarity of various map objects with the variety of the map scale, and researched further the relationship between the scale level factor of map features and fractal attenuation
以擴展分維作為理論基礎，從變維分析的角度出發，研究地圖目標的自相似程度隨比例尺變化而衰減的規律，進一步研究地圖目標的尺度指標與分形衰減之間的關系。As part of the longitudinal rush memory and aging project, researchers evaluated the spectrum of neuropathology found in the brains of 141 older adults, with and without clinically evident dementia
作為"拉什" "記憶與衰老工程"長鏈的一環，研究人員們對發現的神經系統病變的病理譜做了評估分析，這些病變來自141名伴有或不伴有明顯癡呆癥狀的老年人的腦部Conclusions ( 1 ) subacute senile mouse model can be used in immunosenesence reseach. ( 2 ) cd 137 may be an marker of aging. ( 3 ) the protection to aicd of cd137 decreased, indicate the function of cd137 was unusual. ( 4 ) the effect of d - galactose can modelling the different stage of aging. ( 5 ) the decrease of cd 137 expression on t cell from subacute senile mouse model and the aging mouse were due to the declining of their mrna. ( 6 ) the expression of cd 137 on t cells from from subacute senile mouse model and the aging mouse have a time dependently derease and the peak of cd 137 expression appeared earlier while the aging keep going on
結論（ 1 ） d -半乳糖致亞急性衰老小鼠模型t細胞cd137分子表達變化規律與自然衰老小鼠相似，造模兩個月後的大劑量組小鼠即可用於衰老個體cd137分子的相關研究。 （ 2 ）模型小鼠cd137分子表達隨衰老的發生發展呈規律性變化，提示該分子可能為t細胞衰老的分子標志。 （ 3 ）即使在衰老狀態下，機體對cd137分于的表達依然具有調控作用，提示兔疫系統的代償能力仍然存在。Experimental results are reported on temporal instability of phase - conjugate beam in a self - pumped ce : batio3 phase conjugator at 532nm. dark decay behaviors of sppc gratings in ce : batio3 are studied, for the first time to our knowledge, by measuring the decay of sppc reflectivities at 532nm and 790nm wavelengths at room temperature
首次在實驗和理論上研究了自泵浦位相共軛光柵暗衰減的特性，與以往一深一淺兩個陷阱能級參與光折變過程不同的是，發現了兩個深陷阱能級同時參與了自泵浦位相共軛光柵的建立。We obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin - average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. the obtained results are compared with that of the cornell potenial
由規范場理論的超弦理論所激發的伸縮子一膠子有效藕合，給出了一個新的靜態夸克一反夸克勢，討論了此勢模型下重介子的自旋平均能譜、輕子衰變和輻射躍遷寬度，並與cdrn叭勢模型所得到的相應結果作了比較It has been demonstrated directly or indirectly - 7 - that ak auto ab is an important element in the immune network and plays a important role in maintaining physiological functions, clearing aged cells and metabolic products, regulating immune responses and protecting against infection. in some pathological states such as psoriasis and contact dermatitis, a certain serum level of the antibody could inhibit the progression of the diseases, and is beneficial to the recovery from the diseases. after a long time studies on the production and regulation mechanism of physiological and pathological auto antibodies, meanwhile, experiencing an intensive academic debating on whether naas a " horror autotoxicus " or a " gnothi seaution ( know yourself ) ", a common viewpoint has been achieved that naa is of clinical significance in the treatment of immunity diseases for it ' s function in the immune system stability, immunoglobulin y and polyclonal ak auto abs have been used in treating inflammatory dermatitis, and recombinant antibody is under investigating
抗角蛋白自身抗體（ akautoab ）是naa的重要組成部分，以往實驗通過雜交瘤技術、免疫親和層析技術和噬菌體抗體庫技術分別獲得單克隆akautoab 、健康人血清多克隆akautoab和基因工程人akautoab ，並對akautoab免疫學特性及在體生理和病理意義進行了廣泛的研究，直接或間接地發現akautoab是機體正常免疫調節網路的組成部分，在維護某些生理狀態的穩定、清理衰老細胞及代謝產物、調節免疫和抗感染等方面起到重要作用；在某些病理情況下（如銀屑病、接觸性皮炎等） ，體內akautoab的組分和滴度會發生變化，而正常水平的akautoab則有利於限制病情的發展，促進損傷的修復。Radioactivity refers to the phenomenon of emitting ionizing radiation when a radionuclide spontaneously disintegrates
二放射性：指核種自發衰變時釋出遊離輻射之現象。A third possibilty is that ivc colapsed primarily due to natural reasons ( climate change, tectonic activity along the subduction zone along the indo - asian plate boundary ) and that there was no indo - aryan invasion that took place
印度河流域文明衰落的第三個可能是由於自然因素（氣候改變，伴隨著印度雅利安人進入的可建造區域減少） ，並沒有印度雅利安人入侵的發生。These unstable atoms disintegrate spontaneously, some very quickly, others very slowly, but in accordance with unchanging laws which it has never been possible to interfere with
這些不穩定的原子會自發地衰變，有些衰變的很快，有些則很慢，它們的衰變遵循著各種不可改變的規律，而這些規律是不可能受到干預的。Whether he believed on the rational grounds put before him by the freemason, or believed, as children do, through the intonations, the conviction, and the earnestness, of the masons words, the quiver in his voice that sometimes almost broke his utterance, or the gleaming old eyes that had grown old in that conviction, or the calm, the resolution, and the certainty of his destination, which were conspicuous in the whole personality of the old man, and struck pierre with particular force, beside his own abjectness and hopelessness, any way, with his whole soul he longed to believe, and believed and felt a joyful sense of soothing, of renewal, and of return to life
他是否相信共濟會員言談中合乎情理的論據，或者像兒童一樣相信共濟會員發言的語調堅強信念和熱忱相信嗓音的顫抖有時幾乎會打斷共濟會員的發言，或者相信老年人這對由於信仰而變得衰老的閃閃發亮的眼睛，或者相信從共濟會員整個內心世界中閃耀出光輝的那種沉著和堅定以及對自己使命的認識與皮埃爾的頹喪和失望相比照，共濟會員的這些特點使皮埃爾大為驚訝，他誠心地希望確立自己的信念，而且也這樣做了，他體會到一種安泰更新和復活的快感。Real - time characteristics of data transmission, remarkable transmission, error - detection and automatic retransmission built in can protocol make it a good option for power line carrier communication, which has some obvious drawbacks such as wide - range variant input impedance, interference and signal attenuation
Can協議中數據的實時傳輸、卓越的錯誤檢出及自動重發功能為建立高效的基於電力線載波（電力線介質存在著大范圍變化的輸入阻抗，較強的干擾和信號衰減）的can通信系統提供了方便。Based on these advantages we analyze the performance of constant - power variable - rate m - qam schemes for spectrally efficient data transmission over nmf channels. by introducing the adaptive modulation approach, we gain two things : 1 ) the error rate is kept at a constant level. 2 ) the achievable spectral efficiency comes within 5 db of the shannon capacity limit. at the last chapter, the presentation of a single base station and a single mobile scenario proved the feasibility of adaptive schemes
然後作者的精力轉入通道的自適應方案的研究中，首先通過研究發現nakagami衰落因子的適當調整可以近似於常見的瑞利衰落和萊斯衰落，接著研究在無線通道中採用三種不同自適應方案時的通道容量，研究表明速率的調整是增加通道容量的關鍵，在此基礎上，著重研究了離散變速率qam的情況，表明這種調制方案無論在頻帶利用率還是在系統平均誤碼率比其它情況提高很多。分享友人