生化的損傷 的英文怎麼說
中文拼音 [shēnghuàdesǔnshāng]
生化的損傷
英文
biochemical lesion- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 的 : 4次方是 The fourth power of 2 is direction
- 損 : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
- 傷 : Ⅰ名詞1 (人體或其他物體受到的損害) wound ; injury 2 (姓氏) a surname Ⅱ動詞1 (傷害) injure; h...
- 生化 : biochemistry
- 損傷 : 1. (傷害) harm; damage; injure; lesion; scuff; hurt; damnify; impair 2. (損失) loss; cause loss to
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Secondly the major mechanisms of degeneration of pcss are caused by both the filamentary nature of the current in high - gain pcss damage to the chip of the switch and the charge domain reached the anticathode causes the erosion of metal interface
開關退化的主要原因是:開關體內的絲狀電流對開關晶元的損傷;以及電荷疇到達陽極時來不及放電而產生的電荷擁擠現象對開關電極接觸表面的損壞。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。Because of no contact and friction, damage to the apparatus may be decreased and the spark may be ignited will disappear. potential applications are the rising power delivery for high - speed electric locomotive and electric vehicle. it can also be applied to chemical industry, mining and other inflammable fields
由於沒有接觸摩擦,可減少對設備的損傷,也不會產生易燃易爆的火花,可用於目前正在興起的高速電力機車、城市電車饋電以及化工、采礦等易燃易爆領域。The mechanism of collapse of reinforced concrete structure is discussed. it is believed the collapse of reinforced concrete framework is a process in which the structure undergoes damage and the damage accumulate ceaselessly. so through the study of damage accumulation of framework element and whole structure in earthquake can learn its collapsing process
本文對鋼筋混凝土結構地震倒塌機制的問題進行了論述,認為鋼筋混凝土框架結構的倒塌破壞過程是一個結構發生損傷並不斷積累演化的過程,因此通過研究框架構件和整體結構在地震力作用下的損傷積累來揭示其倒塌破壞的過程。This paper focused on two aspects : the physiological effects of cold stress on the euonymus japonicus " zhuzi " ; the isolation of cold - induced cdna gene. the results obtained were as follows : first, the chlorophyll ( chi ) and carotenoid ( car ) contents in euonymus japonicus " zhuzi " seedlings decreased greatly as the cold stress proceeded, accompanied by the sharply increasing contents of mda and pmp. it shows that chi and car degradation under cold stress was correlated with the damage of the plasma membrane
主要研究結果如下: ( 1 ) 『粗枝』大葉黃楊在低溫脅迫下,隨脅迫時間的延長,葉片中脂質過氧化物的終產物( mda )含量明顯增加,細胞質膜相對透性( pmp )明顯增大;葉綠素( chl ) 、類胡蘿卜素( car )含量降低,且其含量的降低與mda含量增加及pmp升高間呈顯著負相關,說明低溫脅迫下『粗枝』大葉黃楊幼苗chl和car的降低與生物膜的損傷有關。Under hot carrier stress, device degradation is the consequence of hot carrier induced defect generation locally at drain side
在熱載流子應力條件下,器件的退化主要是由於在漏極附近由熱載流子產生的損傷缺陷引起的。The aim of this study is to investigate theoretically the possibility for activation of small mammalian myelinated nerve fibers without activating larger ones when stimulating a nerve fiber bundle with a monopolar point electrode using biphasic pulses, which can reduce the electrochemical damage resulted from stimulation pulses to nerve fibers. a simulation system for studying the electrical properties of mammalian myelinated nerve fibers was built based on a simple infinite and homogeneous volume conductor model. by use of an asymmetric but charge - balanced stimulation waveform, the sensitivity of excitation and blocking threshold of nerve fibers to fiber diameter, electrode - fiber distance was calculated. the results show that selective activation of small mammalian myelinated fibers may be possible in a region at some distance from the electrode using biphasic pulses
本研究的目的是要從理論上探討利用單電極雙向脈沖刺激實現哺乳動物神經纖維選擇性刺激, (即當刺激一束神經時,不興奮粗神經而興奮細神經)的可能性.雙向脈沖刺激可以降低刺激脈沖對神經纖維產生的電化學損傷.為研究哺乳動物有髓神經纖維的電特性,建立了一個基於簡單的無窮大、各向同性的容積導體模型的模擬系統.利用該模擬系統,採用「不對稱但電荷平衡」的雙向脈沖刺激,計算了神經纖維的興奮和阻斷閾值與纖維直徑、纖維-電極間距離的關系.結果表明:在距電極一定距離內採用該雙向脈沖刺激模式確實可以實現哺乳動物有髓神經纖維的選擇性興奮On the basis of analyzing the geology conditions of qidong well field, using the rfpa2d analysis system, we have carried on the finite element analysis to the adjustment process of stress field and the damage evolution of the coal bed roof which was caused by coal bed mining
摘要在分析祁東井田地質條件基礎上,利用rfpa2d分析系統對不同地應力條件下,由於煤層開采引起煤層頂板覆巖發生的損傷演化和應力場調整的過程進行了有限元分析。It shows that damage cracks was borne by the prefabricated crack, and the layer which has the large area of prefabricated crack is the damage area of sandstone
結果表明,含有預制裂紋的紅砂巖的損傷演化和裂紋的擴展受到預制裂紋的影響,破壞裂紋從預制裂紋尖端起裂,並且最終破壞發生於含有最大預制裂紋的層面。Supposed the two nonreversible deformations both obey the drucker law, the plastic loading function was established based on experimental data and the plastic work was used as hardening parameter supposed loess damage is mostly due to shear and the damage potential function has the same form of the equivalent plastic strain line in the plastic part, the damage potential function was gained by fitting the test data
假定兩類不可逆變形都服從drucker公設,根據試驗數據確定以塑性功為硬化參數的塑性加載函數。認為損傷主要由於剪切產生,假定損傷勢函數與塑性部分的塑性剪應變等值線具有相同的形式,通過試驗數據擬合得到損傷勢函數,然後根據損傷理論推導建立q1黃土的彈塑性損傷本構模型。This kind of homogenization is very important to the investigation of concrete structures and numerical analysis of engineering. but it is difficult to use these models to study the complete failure process caused by the initiation, propagation and coalescence of cracks when subjected external loading
這種簡化對于研究混凝土工程結構及進行穩定性的數值分析是非常必要的,但是卻難于研究混凝土材料在外荷載作用下裂紋萌生、擴展及貫通而導致的由細觀層次到宏觀層次的損傷和斷裂過程。The advances in the research on cadmium - induced mitochondrial damage have been summarized, such as the membrane potential breakdown, production of ros, oxidative phosphorylation uncouple, electron transfer chain ( etc ) restrain and so on
摘要總結了近年來鎘對細胞線粒體結構和功能損傷的研究進展,基本闡明其對線粒體的損傷機制,包括膜電位的損傷、活性氧物質的生成、氧化磷酸化的解耦聯、電子傳遞鏈的抑制等。Undoubtedly, deterioration and damage accumulation occur in high temperature and high pressure. with the consumption of their use, the failure accidents occur more frequently, which will bring threatening to the life of people and the poverties of enterprise. so the failure analysis and the residual life assessment of the main steam pipe become more and more urgent and important
以蠕變性能作為設計指標的主蒸汽管道是發電廠的關鍵部件,由於長期在高溫高壓的惡劣工況下運行,容易發生材質老化和損傷積累,突發性事故也會頻頻發生,給企業職工的生命安全和國家財產帶來嚴重威脅,因此對主蒸汽管道進行失效分析與壽命預測尤為迫切和重要。Previous studies have showed that sulfonylureas possess a bidirectional effect on cardiovascular system : they can raise the coronary artery tone, aggravate ischemic injury to the cardiovascular tissues, and accelerate cardiac hypertrophy through closing cardiovascular atp - sensitive k ( superscript - ) channels ; meanwhile they can also regulate glucolipid metabolism, modulate inflammatory reaction and inhibit atherosclerosis through activating peroxisome proliferators - activated receptors
摘要基礎研究表明,磺脲類藥物對心血管系統有雙向影響:磺脲類藥物能夠關閉心血管系統atp敏感性鉀通道,從而增高冠脈張力,加重缺血對心血管組織的損傷和促進心臟肥厚的發生;另一方面,磺脲類藥物能夠激活過氧化物酶體增殖物激活受體,從而調控糖脂代謝,調節炎癥反應和抑制動脈粥樣硬化的發生。Ros is naturally produced in the body by exposure to uv rays, leading to skin damage and visible signs of ageing
Ros指人體暴露在紫外線照射下,自然產生的化學反應,及其產生對皮膚的損傷,以及一段時間內(曬傷)明顯的癥狀。In response to massive necrosis, when hepatocytes cannot respond to a growth stimulus and during some regimes of chemically induced hepatocarcinogenesis, numerous lines of evident indicate the persistence of a few " novel " cells in the periportal area of adult liver
目前已有大量的實驗證據表明,當廣泛而慢性的損傷導致大量肝細胞死亡或者肝細胞的增殖能力被抑制時,在再生肝中可觀察到卵圓細胞的增殖和分化。The study state of art and development trend of structural damage identification research is simply summarized in this paper. hilbert - huang transform ( hht ) is applied to the damage identification and intrinsic frequency confirmation of time - variable structures. furthermore, a kind of inverse calculation is presented to calculate structural stiffness. this method can solve three main problems : the time that damage occurred, the location and the degree of damage
本文簡要總結了結構損傷識別領域的研究現狀和趨勢,圍繞損傷引起固有頻率變化這個特徵,將希爾伯特?黃變換( hht )應用於時變結構的損傷識別和損傷前後固有頻率確定上,並結合牛頓迭代法,對結構剛度進行反演計算,從而解決結構損傷識別領域所關注的三個主要問題:損傷發生時間、損傷位置以及損傷的程度。The quasi - static damage stage under the quasi - static stress field produced by gas from explosion. finally, the general model for blasting damage and fracture is gained. in the thesis, a gas - driven fracture propagation and damage localization at the crack tip model during explosion products are proposed
根據爆炸力學,將巖石的爆破損傷分為兩個階段來研究,第一階段為爆炸應力波作用下的動態損傷階段,第二階段為爆生氣體靜態壓力場作用下的損傷階段,最終得出了巖石在爆破作用下的爆破損傷斷裂全過程演化模型。After several decades " improvement in technology and accumulated experience in clinical use, more and more intracranial tumors have been treated with this unit, but the detailed mechanisms are not understood about its neuroradiobiological effects, especially the early or acute damage and time - dependent changes of neural cells in the target and surrounding brain regions
經過幾十年的臨床經驗的積累和技術的改進,放射治療已經成為顱腦腫瘤的重要治療手段之一。但迄今對于電離輻射神經放射生物學的基礎研究尚不足,尤其對于照射后靶區及其周圍組織早期或急性期的損傷程度及時程變化缺乏系統的動物實驗研究,本實驗目的即在於此。Different from former definition on photoinhibition, it was considered presently that the photoinhibition not only involves the light stress to reaction centers of photosynthesis, but also involves some physiological and biochemical protective mechanisms formed by plants in order to avoid the light damage
與以往對光抑制的定義不同,現在認為光抑制既包括光對光合作用反應中心的損傷,也包括植物為避免光破壞而形成的生理生化保護機制。分享友人