查询词典 titration

The librated ammonium is distilled, collected in an acidic solution, and determined by a neutralization titration.

蒸馏衩收集在酸性溶液中，再利用中和滴定进行测定。

The complexing properties of compounds 10a, 10b, 11a and 11b toward alkali metal ions were studied by 〓H NMR titration, ESI-MS, UV-Vis spectra, Fluoresence spectra and liquid-liquid extraction. The results show:(1) the 1:1 complexes were formed.(2) The calix-crown 10a, 11a have a higher selectivity for Na〓 ions, whereas 10b, 11b for K〓 ions.(3) The complexing ability toward alkali metal ions was enhanced when the calix-crown have side arm carbonyl.(3) The coordination of alkali metal ions toward phenoxy, carbonyl and crown ethereal oxygens take place by rotation around the carbon-carbon bond of carbonyl and methylene.

六，用〓H NMR滴定，ESI-MS，UV-Vis，Fluorescence，液-液萃取实验研究了10a，10b，11a和11b对金属离子的配位性质，研究结果表明：1）杯芳烃冠醚衍生物同碱金属离子形成了1：1配合物，化合物10a、11a对Na〓具有较高的配位能力，化合物10b、11b对K〓具有较高的配位能力；2）在杯冠醚环的旁边引入带有羰基氧原子的基团作为侧臂参与配位可以加强对碱金属离子的配位能力；3）金属离子分别同苯酚氧，羰基氧，聚氧醚链氧发生了配位，配位过程中侧链基团涉及到了羰基碳与亚甲基碳的碳碳键的旋转过程。

Methods To determinate plasmaCO2?CP with 0.01915N H2SO4 and read the results from one millilitre gradual pipette directly and compage the results of the titration with the results of automatic instrument.

用0.019 15 N硫酸滴定血浆中二氧化碳结合力，从1 ml刻度吸管中直接读出结果，并将结果与全自动仪测定结果比较。

Methods To determinate plasmaCO2?CP with 0.01915N H2SO4 and read the results from one millilitre gradual pipette directly and compage the results of the titration with the results of automatic instrument.

用0.019 15 N硫酸滴定血浆中二氧化碳结合力，从1 ml刻度吸管中直接读出结果，并将结果与全自动分析仪测定结果比较。

One has the ability of photo-cleavage of DNA and another one as potential anti-cancer drug has the ability of oxidative cleavage of DNA. 1. As for the first system, a new ligand----Tpphz is used as the intercalator of the targeted compound. The 〓 is synthesized and characterized by elemental analysis,〓H NMR, molar conductivity, AgNO〓 titration, UV and fluorescence spectra.

核酸的光切割方面，我们选择了近年来新发现的一个配体Tpphz作为目标化合物的插入配体，合成了新颖的〓单核配合物，并通过元素分析、〓H NMR、摩尔电导测定、中心离子滴定法、紫外光谱和荧光光谱对此化合物进行了详细的表征。

It can beused in all kinds of titrations and in the determinations of varity component matter. It can also be used in the processing and assessing of several different types of titration at the same time.

该模板可用于各种类型的滴定和多组分含量的测定，也可用于同时进行的不同类型的滴定实验的数据处理及成绩评定。

This article researched the sulphites determining in aquatic products by the method of distillation and titration and colorimetry.

分别使用蒸馏滴定法和浸泡比色法对冻虾仁等水产品中亚硫酸盐的残留量测定进行了研究。

Rabbit was immunized by the conjugated alginate-BSA (1.0mg/kg) for 40-days routine immunity method; ELISA method was used to examine the titration of anti-alginate serum; The first generation parotid acinar cells were chosen to divided five groups (group A :contrast, group B: BAS, group C: alginate, group D: anti-alginate serum, group E: alginate +anti-alginate serum), We examined the proliferation of each part by MTT method at four times (lh, 6h,12h and 24h); In the meanwhile, The growth and shape of parotid acinar cells were observed under phase contrast microscope and scanning electron microscope.16 of the immunized rabbits by alginate were divided equally into Al and Bl groups, 12 normal rabbits were divided equally into A2 and B2 groups as control groups, Each rabbit was affused by 0.3ml(40fil/ml)alginate though parotid duct once time two days.

将藻酸盐与BSA偶连形成具有较强免疫原性的Alginate-BSA交联物免疫兔，按抗原量1.0mg/kg接种于新西兰白兔皮内，间隔10d加强免疫1次，共加强4次后，利用间接ELISA法检测藻酸盐抗体效价：将原代培养的兔腮腺腺细胞按10~4个/ml接种到96孔板上，置入细胞培养箱继续培养3d，分为5组：A空白对照组、B牛血清白蛋白组、C藻酸盐组、D抗藻酸盐血清组和E抗藻酸盐血清+藻酸盐组，分别加入PBS、牛血清白蛋白、藻酸盐或新鲜抗藻酸盐血清继续培养，分别于1h、6h、12h和24h不同的时间点，取出96孔培养板，采用MTT法检测5组腮腺腺细胞增殖情况

Tested the volatilization of boron through the acid-alkali neutralization titration, analyzed the influencing factor of boron volatilization, the conclusion showed that the moisture content and heating-up time were important factor; observed the phase splitting by the SEM, the conclusion showed that the phase splitting were all connected state.

通过酸碱中和滴定法测定了硼挥发量，分析了影响硼挥发的因数，结果表明含水量和升温速率是影响硼挥发的重要因数；通过扫描电镜观察了玻璃的分相情况，结果表明其分相类型均为连通状分相。

The determination of industrial zinc sulphide content by redox titration method was introduced.

利用氧化还原滴定法测定工业硫化锌的含量，分析了影响硫化锌含量测定的因素，样品测定实验结果表明，该法样本合并标准偏差s_q=0。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。