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- kinetic isotope method 動(dòng)態(tài)同位素法, 同位素動(dòng)態(tài)分析法
- Measurement of kinetic isotope effects indicated that the rate-limiting step of these reactions is the C(sp 2 )-H bond cleavage. 動(dòng)力學(xué)同位素效應測量表明限速步驟;這些反應是在C(藻2)-八鍵裂解.
- We have used the primary deuterium and solvent kinetic isotope effects to determine the relative cleavage timing of the glucose OH1 and CH1 bonds in GOOX. 本論文也利用基質(zhì)同位素效應與溶劑同位素效應，藉以分析葡萄寡糖氧化酶反應時(shí)，葡萄糖CH1與OH1鍵結斷裂的可能順序。
- By the analysis of the competition experiment, the rate-limiting step and the kinetic isotope effect, the possi-ble reaction mechanism of VNS is described. 分別從硝基芳環(huán)的結構、親核試劑的類(lèi)型和反應條件三方面討論了影響VNS定位效應的因素;
- An intravenous isotope method for external measurement of cerebral circulation time was applied to rabbits for determining cerebral blood flow. 白兔腦皮層血流之測定系采用靜脈內注入放射性物質(zhì)并配合閃爍攝影術(shù)為之。
- MTT method was used to detect the influence of PDGF-BB on the proliferation of fibroblasts and compared to the routine isotope method. 探討血小板衍生生長(cháng)因子(PDGF)促進(jìn)慢性、難愈合傷口的愈合速度的機理。
- The decreased activity by 50 fold and the kinetic isotope effects show that CH1 bond cleavage is more rate-limited in the Y429F mutant, consistent with the proposed proton shuttling by Tyr429. 其中Y429F突變株酵素活性下降約50倍，且從其動(dòng)力學(xué)同位素效應結果顯示，Y429的突變使CH1鍵結斷裂的速率更受到限制，乃符合Y429作為活性中心堿基之推測。
- At the same time, by comparison with the traditional hydrogeological test results, it also proves that the data obtained from the isotope method is reliable. 同時(shí)經(jīng)與傳統水文地質(zhì)試驗結果比較，也證明同位素方法獲得的數據是可靠的。
- CHANG Xiang-yang,ZHU Bing-quan.Application of lead isotope method in estimates of seeking mine by chemic reconnoitring[J].Mineral Rock Geo-chemis-try Aviso,1997,16(4) :245 - 249. [2]常向陽(yáng);朱丙泉.;鉛同位素方法應用于化探找礦評價(jià)[J]
- The isotopic fractionation under microbial actions belongs to the kinetic isotopic fractionation, which results in the enrichment of heavier isotopes in the remnants. 微生物作用下的同位素分餾為動(dòng)力同位素分餾，導致重同位素在殘余物中富集。
- The results agree with those by using isotopic method reported in the literature. 與文獻報道的同位素方法研究結果相同。
- The method seems good but it needs to be tried out. 這個(gè)方法似乎不錯，但需要試驗一下。
- Kinetic energy is the energy arising from motion. 動(dòng)能就是由于運動(dòng)而產(chǎn)生的能量。
- Study on collapse sink of Huangbizhuang secondary dam with isotope method 黃壁莊水庫副壩塌壩原因的同位素方法研究
- I can't claim infallibility for this method. 我不敢說(shuō)這方法絕對有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消滅雜草的最好辦法。
- The geologic dating methods, which include the paleontology method, archeomagnetism method, and isotopic method, present absolute ages or relative ages of geologic events. 前人已建立的地質(zhì)定年方法(同位素法、古生物法和古地磁法)給出的是地質(zhì)事件的“絕對年齡”或“相對年代”。
- By using hydrogeochemical and isotopic methods, the origin of the geothermal watr and the CO2 gas were discussed. 利用水文地球化學(xué)方法、同位素分析方法等，對地下熱水和二氧化碳氣體的成因進(jìn)行了分析；
- Popularizing this new method is not an easy job. 推廣這種新方法不是件容易的工作。
- This is not an economical method of heating. 這不是一種經(jīng)濟的取暖方式。
