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In this experiment, we utilized organic solvent ethanol, acetone sedimentation separation method to separate and purify metal chelates. In the mean time, the chelation ratio of L-aspartic acid/aspartame zinc、autunite、coppe、ferrous complex was determined by EDTA complexometric titration and the products\' structure were analyzed and confirmed by IR spectrometry.
本试验采用有机溶剂乙醇、丙酮沉淀分离法来分离提纯金属螯合物，借助EDTA络合滴定法测定了L-天门冬氨基酸、阿斯巴甜与金属元素钙、铁、铜、锌的螯合率，利用红外光谱对产品结构进行了分析确认。
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Electrical stimulation of NA had no effects on gastric volumes, titratable acidity, acid concentration, but elicited a badly pronounced increase in the total bicarbonate, as well as restraining of respiration and inducing sinus bradycardia. But electrical stimulation of DMV produced a badly significant increase in titratable acidity, and pronounced an evident increases in gastric volumes and acid concentration, as well as restraining respiration and inducing sinus bradycardia.
而电刺激迷走神经背核，胃液中可滴定H~+量增加极显著，胃液量和H~+浓度也显著增加，但碳酸氢盐的量无明显变化；也引起严重的呼吸人鼠疑核和迷走神经背核对胃酸、碳酸氢盐分泌彩响的比较研究抑制和心动过缓，左右侧的抑制率差异不显著。
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All the conditions were the same as the above, except that the electrode was inserted vertically into the right or left side of the brain stem at a level 13.8 mm caudal to Bregma and 0.7 mm lateral to the midline, and to a depth of 8.3 mm below the dorsal surface, and the method of pylorus ligation was used.The results were as follows.
结果如下：电刺激疑核对胃液量、可滴定H~+量、H~+浓度都无明显影响，但碳酸氢盐的量显著增加；电刺激疑核期间，引起严重的呼吸抑制和心动过缓，左右侧疑核对呼吸和心率的抑制率差异不显著。
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In the second part of this research, the effect of the addition of ethanol on the micellization of C14TAB was studied also by ITC at temperatures of 15-40℃. The results show that with increasing ethanol concentration the cmc values first reach a minimum at an intermediate ethanol mole fraction xmin and then increase with increasing ethanol mole fraction.
本研究中第二部份为利用恒温滴定热卡计，研究温度范围15℃40℃之C14TAB + ethanol效应，由实验结果发现cmc值会先随著乙醇浓度增加达到最低值，此时的乙醇莫耳分率为xmin，然后cmc值再随著乙醇浓度增加而增加。
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Fruit yields, weight of single fruit, per fruit pulp weight, fruit edible ratio, water content of sarcocarp were all increased with the increase of SWC and reached the maximum at SWC75. Soluble brix, soluble suger and titratable acid of fruit had notable or significantly notable negative-linear relations with SWC (R~2 = 0.880 7*; R~2 = 0.717 7* and R~2=0.965 1**) while pH of fruit was increased as SWC did. Brix-acid ratio of fruit was increased linearly with the increase of SWC (R~2=0.908 6*, n=50) and reached the maximum at SWC75. Suger-acid ratio also increased with SWC.
在SWC≤75%时，柑橘产量，单果重，单果果肉重、果实可食率、果肉含水量等随SWC增加而显著增加，在75%时各指标值最高；果实可溶性固形物、可溶性糖和可滴定酸含量分别与SWC呈显著或极显著线性负相关，相关系数分别为R~2=0.880 7~*(n：50)、R~2=0.717 7~*(n=50)和R~2=0.965 1~n=50果实pH值则呈相反趋势，柑橘果实固酸比和糖酸比随SWC的增加而显著增加，果实固酸比与SWC呈显著线性相关(R~2=0.908 6~*，n=50，糖酸比在SWC=75%时达到最大值。
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Results showed that the pollen xenia had obvious effect on fruit setting rate, fruit weight, soluble solids content, titratable acidity and mature seeds.
结果表明：京白梨果实在坐果率、成熟种子数、单果重、可滴定酸、可溶性固形物等方面表现明显的花粉直感现象。
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The factors affect on the degree of substitution of product, yield and apparent viscosity, such as the mol rates of EPTAC with -NH2, reaction temperature, reaction time and the content of water in system have been discussed in detail. FTIR spectrometer and UV spectrometer are used to characterize the structure of the derivative and it is proved that substitution reaction mainly occurs on the -N element .The particle size and morphology of chitosan and quantemary ammonium salt of chitosan are analysised by comparing photos of their scanning electron microscope. The degree of substitution of HACC is determined by acid -base conductometric titration. An error in current formula of DS has pointed out and a correct formula has presented.On the base of experience of above experiment, the reaction conditions of HACC were systematically investigated through orthogonal design, and then the best conditions are found. Water-solubility and dependence of pH are studied.
壳聚糖和环氧丙基三甲基氯化铵在异相条件下发生反应，通过单因素实验，制备了一系列不同性能的壳聚糖季铵盐，本文首次详细讨论了反应条件(反应摩尔比、反应时间、反应温度、水含量)对产率及产物性能的影响；用红外光谱和核磁共振对结构进行表征分析时，发现季铵盐阳离子基以N位上取代为主；通过电镜图片对壳聚糖和季铵盐衍生物外观形貌进行对比，采用酸碱电导滴定法测定产物的取代度，并对常用取代度公式做了修正。
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The structure and graft rate of the graft polymer were determined by means of IR spectra and acid-base titrations, the effect of content of POE, MAH, DCP and reaction temperature on graft rate were studied in detail.
通过红外光谱确定了接枝物的结构，采用酸碱滴定法测定了产物的接枝率，详细研究了POE、MAH、DCP用量及反应温度等对接枝率的影响规律。
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After three biopanning procedures , there was remarkable enrichment for the titer of bound phages in each biopanning procedure.
本研究共进行三轮生物淘洗，滴定每轮产出噬菌体的滴度，计算噬菌体的产率。
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In the solution,low concentration sulfate ions was determined by a direct titration with barium perchlorate as titrant and thorin as the indicator;the concentration of calcium ions was determined by a direct EDTA titration using Calcon carboxylic acid sodium salt as the indicator.
先用高氯酸将固体混合物溶解形成水溶液，然后以钍试剂为指示剂，用高氯酸钡溶液滴定溶液中的微量硫酸根，并用EDTA法以钙红为指示剂滴定溶液中的钙离子，从而可以计算出钙基脱硫剂的固硫率(表示为脱硫后固体混合物中的钙硫化)。
- 更多网络解释与滴定率相关的网络解释 [注：此内容来源于网络，仅供参考]
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titre：滴定率
titration curve 滴定曲线 | titre 滴定率 | titrimetry 滴定法
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titrimetry：滴定法
titre 滴定率 | titrimetry 滴定法 | tmv 烟草花叶病毒
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transmittance：透光率
三、酸碱滴定法的操作过程及应用:标准溶液(standard solution)的配制、标定. 一、透光率(transmittance)和吸光度. 一、分光光度法(spectrophotometry)的误差:溶液偏离Beer定律引起的误差,仪器测定误差,主观误差.
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total transmittance：透射总量
total titratable alkali 滴定碱总量 | total transmittance 透射总量 | total yield 总得率,总收获率
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total transmittance：总透光率
total titratable alkali 总滴定碱 | total transmittance 总透光率 | total volume 总体积
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ceric sulfate：硫酸铈
物质泳动率(mobility)与溶点有关;与电荷密度无关樱桃汁中之苹果酸必须转换成草酸钙(calcium oxalate)才能以0.1NKMnO4测定其含量硫酸铈(ceric sulfate)滴定氢醌(hydroquinone)时,
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titrant：滴定法被测溶液
titer 滴定率 | titrant 滴定法被测溶液 | titrating solution 滴定剂