At present, determining methods of the cell concentration in fermentation liquid contain gravimetric method and plate counting method.
目前,测定发酵液菌体浓度的方法有重量法、平板计数法。
Gravimetric method ever used by environment detection station could not analyze the oil contents completely because of limited methods.
生产安全部环境监测站曾采用重量法测量,但由于方法的局限,不能全面分析水质中油的各组份含量。
A gravimetric method for measuring crystal water in uranium tetrafluoride is reported.
本文叙述了测定四氟化铀结晶水的重量分析方法。
The corresponding experimental isotherm data were measured by gravimetric method.
相应的实验数据用重量法测定。
Describes the changing of the classical perchloric acid dehydration gravimetric method for determining silicon into the molybdenum blue photometric method to fast determine the content of silicon.
将经典的高氯酸脱水重量法测定硅改为钼蓝光度法快速分析硅含量。
The existence forms of oil waste water in railway diesel locomotive terminal, steam locomotive terminal and rolling stock depot have been studied by gravimetric method and ultraviolet spectroscopy.
用重量法和紫外分光光度法研究了铁路内燃机务段、蒸汽机务段和车辆段含油废水中油的形态分布规律。
The determination of total rare earth content of rare earth-magnesium alloy were studied. It was used oxalate to be sediment to determine of total rare earth content with gravimetric method.
主要研究稀土镁合金中稀土总量的测定。选择草酸作沉淀剂,重量法测定稀土总量。
The analysis theory of gravimetric method is used for analyzing the experimental conditions in determining total sulfur in coal by Eschka method.
将重量法分析理论应用于煤中全硫测定中艾氏法的试验条件分析,介绍了影响艾氏卡重量法测全硫准确度的几大因素与对策。
In this paper, a new method of high accuracy gravimetric survey to predict oil and gas deposits is introduced and the results of this method applied to predict oil and gas deposits are analysed.
本文着重介绍了一种以直接预测油气藏为目的的高精度重力勘探的新方法,以及该方法在实际应用中的效果分析。
A new gravimetric method for determining Cu and Sn in the core-shell Cu-Sn bimetallic nanoparticle was proposed.
探讨了测定核壳式纳米铜-锡双金属粉的各组分含量的重量分析法。
The results obtained by this method have no notable difference as compared with those obtained by the gravimetric method.
可得到目视比浊法不能得到的连续数据。
The adsorption and diffusion of oxygen and nitrogen in two samples of carbon molecular sieve used for air separation have been studied by gravimetric method.
用重量法研究了氧、氮在两种空分用炭分子筛上的吸附与扩散。
The results showed that the gravimetric method commanded by GB/T176-1996 and GB/T5484-2000 was inaccurate to measure the sulfate content while the distillation method was comparatively accurate.
结果表明:以GB/T176—1996《水泥化学分析法》和GB/T5484—2000《石膏化学分析法》中的基准法即重量法不能准确测定含亚硫酸钙的脱硫灰中的硫含量;
In combination with the gravimetric method, one can obtain the adsorption amount of water and the thickness of adsorbed water layer on solid surface under various driving gradient pressures.
结合重量分析,用离心法可得到不同驱动压力梯度下的吸附水量及吸附水层厚度。
The adsorption isotherms of adsorbents (NA and NB) were obtained by high vacuum gravimetric method.
用高真空重量法测取了自制吸附剂NA和NB的吸附等温线;
For studying the contents of dietary fiber in general foods and functional foods, a enzymatic gravimetric method recommended by AOAC was established in our laboratory.
为了分析测定膳食纤维的不同组分,参照AOAC推荐的酶重量法建立了分别测定总的、不溶及可溶性膳食纤维含量的方法。
Compared to the conventional method of gravimetric analysis, the proposed method avoids the pollution to the environment, being reliable, accurate and reproducible.
所建立的方法避免了环境污染,且简便、准确、重现。
The adsorption isotherms of adsorbents (NA and NB) were obtained by high-vacuum gravimetric method.
用热分析法对吸附剂的脱附性能进行了分析;
It is actually referred to a gravimetric method.
事实上这就是一个称重法。
The inhibition performance was evaluated by a static gravimetric method and potentiodynamic polarization, and compared with that of corrosion inhibitors commonly used in China.
采用静态失重法和电化学法评价了缓蚀剂的缓蚀性能,分析了缓蚀机理,并与目前国内常用的酸化缓蚀剂缓蚀效果进行了对比。
The results obtained have been compared with the gravimetric method of potassium-TPB, and both are coincident.
测定结果与四苯硼化钾重量法结果一致。
The surface structures were characterized by laser particle size analysis, X-ray powder diffraction analysis (XRD) and gravimetric method, respectively.
用粒度分析、X射线衍射分析和重量分析法分别对机械活化闪锌矿的结构进行了表征。
This paper puts forward, in the point, gravimetric geoid method, geometric geoid method and synthesis method to transform ellipsoid height into orthometric height.
基于此,扼要提出应用重力大地水准面法、几何大地水准面法和综合法将GPS椭球高改化为正高的方法。
Thermal degradation of polymer ABS was Studied by using the method of gravimetric analysis(TG, DTG).
以热重分析法(TG、DTG)为手段,对丙烯腈-丁二烯-苯乙烯共聚物(ABS)的热降解动力学进行了研究。
Methods: the effects of carbon source, ph, chlorpyrifos concentration on the ability of degradation and the fungi growth amount were determined by ultraviolet spectrophotometry and gravimetric method.
方法用紫外分光光度法和总量法测定了外加碳源浓度、初始ph值、乐斯本浓度对真菌的降解能力和生长量的影响。
Methods: the effects of carbon source, ph, chlorpyrifos concentration on the ability of degradation and the fungi growth amount were determined by ultraviolet spectrophotometry and gravimetric method.
方法用紫外分光光度法和总量法测定了外加碳源浓度、初始ph值、乐斯本浓度对真菌的降解能力和生长量的影响。
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