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- kinetic isotope method 动态同位素法, 同位素动态分析法
- Measurement of kinetic isotope effects indicated that the rate-limiting step of these reactions is the C(sp 2 )-H bond cleavage. 动力学同位素效应测量表明限速步骤;这些反应是在C(藻2)-八键裂解.
- 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. 本论文也利用基质同位素效应与溶剂同位素效应，藉以分析葡萄寡糖氧化酶反应时，葡萄糖CH1与OH1键结断裂的可能顺序。
- 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. 分别从硝基芳环的结构、亲核试剂的类型和反应条件三方面讨论了影响VNS定位效应的因素;
- An intravenous isotope method for external measurement of cerebral circulation time was applied to rabbits for determining cerebral blood flow. 白兔脑皮层血流之测定系采用静脉内注入放射性物质并配合闪烁摄影术为之。
- MTT method was used to detect the influence of PDGF-BB on the proliferation of fibroblasts and compared to the routine isotope method. 探讨血小板衍生生长因子(PDGF)促进慢性、难愈合伤口的愈合速度的机理。
- 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突变株酵素活性下降约50倍，且从其动力学同位素效应结果显示，Y429的突变使CH1键结断裂的速率更受到限制，乃符合Y429作为活性中心碱基之推测。
- 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. 同时经与传统水文地质试验结果比较，也证明同位素方法获得的数据是可靠的。
- 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]常向阳;朱丙泉.;铅同位素方法应用于化探找矿评价[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馏为动力同位素分馏，导致重同位素在残余物中富集。
- The results agree with those by using isotopic method reported in the literature. 与文献报道的同位素方法研究结果相同。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Study on collapse sink of Huangbizhuang secondary dam with isotope method 黄壁庄水库副坝塌坝原因的同位素方法研究
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- The geologic dating methods, which include the paleontology method, archeomagnetism method, and isotopic method, present absolute ages or relative ages of geologic events. 前人已建立的地质定年方法(同位素法、古生物法和古地磁法)给出的是地质事件的“绝对年龄”或“相对年代”。
- By using hydrogeochemical and isotopic methods, the origin of the geothermal watr and the CO2 gas were discussed. 利用水文地球化学方法、同位素分析方法等，对地下热水和二氧化碳气体的成因进行了分析；
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
