无差异

一个J曲线动力学模型每个投资者都拥有一条无差异曲线来表示他对于预期回报率和标准差的偏好。

A DYNAMIC MODEL THAT CAN SHOW " J " EFFECT Every investor has a family of indifference curves to represent his preferences for risk and return .

按照古典经济学的分析，这个效用函数称为无差异曲线（IDC），它是用均值-方差来表现风险-回报率相互替换的大小和形式的。

Following classical economic analysis , an utility function is called an indifference curve ( IDC ), and it is developed showing the magnitude and form of the risk-return trade-off in a mean-variance framework .

在以上三组患者血清中EB病毒DNA均为阴性，三组间无差异。

All of the patients ' EB virus DNA were negative in serum .

直动脉的长度、内径及密度（支cm）均存在解剖部位差异性（P<0.05）.方法之间无差异性。

There were anatomic differences in length , internal diameter and density of the vasa recta ( P < 0 . 05 ) .

结果mRNA水平：生殖腺内各部位的雄激素受体mRNA表达三组间均无差异；

Results On the mRNA level : in all reproductive glands , there is no difference in mRNA expression of androgen receptor among the three groups ;

目的观察幽门螺杆菌（Hp）与吲哚美辛分别或同时作用的情况下，对Balb/c小鼠胃粘膜损伤的程度有无差异，并探讨两者间是否存在相互作用。

Objective To investigate the interaction of Helicobacter pylori ( Hp ) and indomethacin in gastric mucosa injury of Balb / c mice .

新生儿出生Apgar评分4组无差异。

The neonatal Apgar score had no difference among the four groups .

OA组与对照组的指骨骨密度（BMD）、体重指数（BMI）均无差异（P>0.05）。

There no difference of the phalange BMD and BMI between OA group and control group neither ( P > 0.05 ) .

ENS表达与对照组无差异。

ENS expression with the control group , no difference .

结果表明，工蜂、雄蜂和蜂王之间LDH同工酶数目无差异，但活性上存在差异；

The results showed that among queen bee , spado and drone , the number of LDH isoenzyme band was same but the activity of LDH was different .

HIV感染者和AIDS病人CD4、CD8和CD4/CD8汉族与傣族无差异（P>0.05）。

The CD4 , CD8 and CD4 / CD8 of HIV infectors and AIDS patients all had no difference ( P > 0.05 ) between Han and Dai nationality . ( 4 ) The CD4 cell numbers were less than the number of a normal contrast group .

进一步检测11份阳性血清的抗体效价，两法GMT分别为755.1和822.1，也无差异（P>0.05）。

Both methods were applied to determine the antibody titer of 11 positive sera . The GMT was 755.1 for indirect ELISA and 822.1 for indirect sandwich , without statistical difference ( P > 0.05 ) .

目的探讨脐血清皮质醇和硫化脱氢表雄酮在足月分娩时的作用。两组患者DHEAS、E2水平无差异，新生儿性别分布无显著性差异（P>0.05）。

Objective To study the effect of cortisol and dehydroepiandrosterone sulfate ( DHEA S ) in fetal umbilical cord blood on term labor . There were no significant differences in dehydroepiandrosterone sulfate , neonatal sex distribution and estradiol concentrations between the two groups .

各组间DDimer有非常显著差异（P<0.001）：A组产后2h高于产前（P<0.05），但与产后30min无差异；

D dimer was significantly different ( P < 0.001 ) . In the Group A , D dimer of 2 hours postpartum was significantly higher than that of antepartum ( P < 0.05 ), but was not statistically significant with that of half an hour postpartum ;

结果显示：1.大强度定量负荷后，实验组与对照组红细胞C3b受体花环率和免疫复合物花环率显著高于同组安静值（P<0.001），而两组间无差异。

After the quantitative load with great strength , the receptor garland ratio of erythrocytes C3b and the immune compound garland ratio in both experimental group and comparative group the obviously higher than the quiet values ( P < 0.001 ) of the same group .

各室壁间心肌运动速度差无差异，因此在利用速度差评价心功能时，仅测量一个室壁的指标即可。

We can use velocity difference of one wall to evaluate left ventricular function .

结果术前各组角膜内皮细胞计数无差异。

Results There were no significant differences in preoperative mean cell counts among all three groups .

总体疗效看治疗组与对照组疗效无差异。

There is no difference between the treatment group and the control group in the overall efficacy .

皮肤点刺试验与血清过敏原检测的尘螨过敏原检出率无差异。

There was not statistically significant difference between the positive rate of skin prink test and serum allergen test .

移植后24小时、1个月时各实验组行为学评分与假移植组相比无差异（P>0.05）；

There are no significant differences between the experiment groups and the sham-grafted group 24 hour and 1 months after transplantation .

食鱼虾和食物过敏在男女银屑病患者中无差异（P>005）；

Dietary allergy and eating fish and shrimp has no difference in man and women patients of psoriasis ( P > 0 05 ) .

使用收益的期望值&标准差无差异曲线与相应的效益函数来描述决策者不同的风险态度；

The indifference curves of expected values and standard deviations of net income are adopted to simulate the different risk attitudes of different decision-makers .

独立性、道德宗教观和控制性等因子分与正常对照组无差异（P>0.05）。

The Independence , Moral-Religious Emphasis and Control factors did not show any significant differences between the two groups ( P > 0.05 ) .

剪根处理抑制了水稻的前期分蘖数，剪根越多，分蘖数下降越明显，同时部分分蘖发生迟缓，有效分蘖期延长，后期死亡的分蘖较少，生育后期分蘖数与对照无差异。

The tillering formation in early stage was restrained of root cutting treatments , the greater the root was cut , less tillers the rice plant had .

结果表明，（1）杏、枣和葡萄等果树新鲜花粉与戊二醛固定花粉的形状及大小均无差异。

The results showed that : ( 1 ) There were no differences in fresh and GAF pollen shape and size of apricot , chinese date and grape .

结果表明：人工栽培的北豆根与野生北豆根在生物学特性上无差异，不用进行栽培驯化；

The results showed that there were no necessary to acclimatized Asiatic moonseed because there were no difference between the cultivated ones and the wild ones in biological characteristics .

结果护生基础护理学考试前3个月和考试前1周的特质焦虑分无差异，但状态焦虑分考试前1周高于考试前3个月（P<0.05）；

Results The state anxiety score of the investigated students one week before the NBE was higher than that three month before the NBE ( P < 0.05 ) .

同时，由于小企业自身条件的限制和我国特定的知识产权保护现状，这类企业面临着潜在竞争者的进入威胁和无差异化的价格竞争。

At the same time , however , this kind of small business face the entrant threat from the potential competitor due to the low entrant barrier or mobility barrier .

试验动物血液常规检验项目和各项血液生化指标与对照组无差异性，均在正常范围；

The blood routine examination items and all blood biochemical indices of the experimental animals were not different from those of the control group and were within the normal ranges .

一氧化氮在脊髓节段的分布特性可能说明肝硬化大鼠在低级交感神经的调控上与正常无差异。

Distributive characteristics of nitrogen monoxide ( NO ) in spinal cord suggest that adjustment on low sympathetic nerve of rats with cirrhosis is not different from that of the normal .