突跃

EH36钢埋弧焊接头CTOD试验中的突跃效应及评价

Pop-in effect and its assessment in CTOD test for submerged-arc welded joint of steel EH 36

在一般分析化学教材中，终点电位允许变动范围是通过计算滴定突跃范围来确定的。

In general analytical chemistry textbooks , the permitted chang range of endpoint potentials was found by calculating titrimetric break range .

毛细管电泳-电流突跃标记法测定磺胺甲恶唑磺胺嘧啶和甲氧苄啶的离解常数磺胺二甲嘧啶有机溶剂残留的GC测定

Determination of Dissociation Constant Values of Trimethoprim , Sulfadiazine and Sulfamethoxazole Determination of residual organic solvents in sulfadimidine by capillary GC

该电极与Cu－ISE相比，具有电位突跃大、敏锐、重现性好等特点。

This electrode has the features of large potential jump . high sensitivity and good repeatability compared with Cu-ISE .

结果表明，不同体系中，Cd~（2+）的吸附等温线类型、吸附量、pH突跃区域的差别均较大，但不同体系中Cd~（2+）被沉积物吸附后的形态转化趋势基本相同；

The result showed that the adsorption isotherm , adsorption capacity and pH - dependent area were different greatly , but transformation of Cd2 + has only a little change .

针对用电位法滴定石油产品总酸、总碱含量时无明显滴定突跃点的情况，研究了用pH终点滴定法的可行性和可靠性。

Since no obvious leap point can be observed when determine the total acid or total alkaline of petroleum products by potentiometric titration , the feasibility and reliability of pH end-point titration method are examined .

时钟反应系HCHO-HSO3~&SO3~（2-）的pH突跃法测定HSO3~-盐的含量

Determination of hso_3 ~ - by means of a clock reaction series hcho-hso_3 ~ & so_3 ~ ( 2 - ) with sudden change

用microsoftexcel研究了电位滴定法测定壳聚糖的脱乙酰度的滴定曲线，利用两个突跃之间的氢氧化钠的用量计算了脱乙酰度。

Potential titration curve of deacetylation degree of chitosan was studied by Microsoft Excel software . The deacetylation degree can be calculated through the volume of sodium hydroxide used between two abrupt change .

结果表明，HPMC粘度增加使药物释放滞后时间延长，但高粘度HPMC会导致药物释放无明显突跃点；

The results showed that the lag time before drug release was lengthened with the increase of the viscosity grade of HPMC .

用四探针电阻率测试、场发射扫描电镜（FESEM）、XPS、UV-Vis、XRD等方法对复合材料导电机理进行研究.结果表明，SPPA/MWNT的电导率发生两次突跃；

The conductive mechanism of SPPA / MWNT was studied by four-probe , field emission scanning electron microscope ( FESEM ), UV-Vis , XPS , and XRD .

Gd2O3量增大时（x>0.10），由于形成少量三方相，而使电导率曲线在700℃左右出现突跃，相应于三方相向面心立方相的转变。

When x > 0.10 , the conductivity curve exhibits a jumping at about 700 ℃ due to the transition of a small amount of rhombohedral phase into fcc phase .

本文阐述了各种类型酸碱滴走过程中，滴定百分数与氢离子浓度之间的关系式，导出了滴定过程中计算PH值的数学表达式，并应用于实例计算滴定突跃PH值。

The relation of titration percentage with hydrogen ion concentration is described in the all kinds of acid-base titrations . The expression of the calcuating PH valus is derived and it has applied example to calcuate PH value of the titration process .

研究了丙氨酸对黄河水中铅（Ⅱ）与表层沉积物相互作用的影响，得出了离子交换率E%与pH的关系，pH突跃范围和最大离子交换率。

The effect of Alanine on the interaction between Pb (ⅱ) and sediment of surface layer in the Yellow River was studied , and the relationship between ion exchange ratio and pH was obtained and pH jumping range and the greatest exchange ratio was also obtained .

当填料含量在20phr时，损耗峰的高度和半高宽度W1/2分别有一个突跃式的下降和增宽，而且Tg大于纯环氧体系。

When the filler loading being 20 phr the height and half width W 1 / 2 of the loss peak have an abrupt drop and broadening , respectively , and the T g of the composite is higher than that of pure epoxy resin .

以氯离子选择性电极为指示电极，甘汞电极为参比电极，用电位滴定法测定维生素B1注射液的含量，通过电位突跃来判断滴定终点。

The potentiometric titration for determination of vitamin B 1 injection was presented . A chloride ion selective electrode and a calomel electrode were used as indication electrode and reference electrode , respectively . The end-point was detected by the breakpoint of electric potential .

本文探讨HCHO-HSO3~-SO3~（2-）系列受酸催化形成缔合型离子的pH突跃，作为HSO3~-定量的分析依据。

We study here the sudden jump of pH value in the formation of associated ions resulting from the acid catalysis of HCHO-HSO_3 ~ & SO_3 ~ ( 2 - ) series and such a jump is used as a criterion for determination of HSO_3 ~ - .

实验结果显示，幼体各阶段（由N1～P1）耗氧量逐渐提高，且在Z2期和M2期分别出现突跃点，相应递增率也加大。

The results showed that the oxygen consumption of larva increased gradually from N 1 to P 1 . At the same time , there were two abrupt rising points at Z 2 and M 2 respectively , and the related rising rates increased .

结果测定终点突跃明显，终点容易判断，误差较小。

RESULTS Revulsion is obvious and easy to determine error is small .

这与吸湿量的突跃相符合。

This is the amount of shock absorption phase composite .

三维固体中冲击波突跃条件的某些问题

Some Problems on the Jump Conditions of Shock Waves in 3-Dimensional Solids

模拟水质突跃问题的三种二阶高性能格式

Three second - order schemes for simulation water quality jump

基于电位突跃的润滑油酸值测定方法

Determination of Acid Number for Various Lubricating Oils Based on Potential Jump

锑在阴极极化过程的电位突跃

The sudden rise in potential of antimony in the course of cathodic polarization

双突跃电位滴定法测定壳聚糖脱乙酰度的影响因素

The Factors Influencing Deacetylation Degree of Chitosan Determined by Two Abrupt Change Conductometric Titration

对滴定分析突跃范围的认识

A Discussion on Jump Range of Titration

论地球内外动力系统支配的板块突跃式运动的周期律

A law of plate tectonics periodic jump motion controlled by the earth 's internal and external dynamic systems

作为粘土酸，氧化物表面的酸性较弱，其表面质子逐步解离，使滴定曲线不出现突跃。

As clay acids , the proton on oxide surfaces dissociated gradually , so the titration curves showed no inflexions .

导出了一个内含最大敏锐指数的终点误差公式，由此获得了一个计算沉淀滴定突跃范围的公式。

Special attention has been paid to relationship between the end point error and maximum sharpness index for precipitation titration .

表现在单滴温度在着火时刻会产生明显的突跃，存在明显的固体残炭的燃烧阶段，单滴体积会明显膨胀等。

It is of some characteristics of itself , such as , pyrolysis , obvious coke combustion process and volume expansion of droplet .

本文报道了采用改良中和法代替离子交换法，测定复方醋酸钠注射液中醋酸钠的含量。本法系利用醋酸钠在乙醇、甘油混合液中用盐酸液滴定，有明显突跃的终点。

The paper reported the assay fo sodium acetate content in composite sodium acetate injection solution with neutralization method instead of ionexchange method .