参数组

METHODS Left ventricular ejective fraction, regurgitant velocity and regurgitant direction were examined by color Doppler echocardiography in 151 patients with medium mitral regurgitation. The results of LVEF, regurgitant velocity and regurgitanting gradient were compared between patients with and without murmur grope.

随机选择151例经超声心动图检查，显示有中度及中度以上二尖瓣返流的患者，根据彩色多普勒血流显像分别测定LVEF、返流速度等超声参数，比较其在杂音组及无杂音组间统计学差异，分析其对听诊的可能影响。

In this paper,using non-linear equation groups indicating the relations between liquid rocket engine performances and interference factors,the engine performances are simulated by MonteCarlo method' A empirical distribution curve and statistical average value and believalbe range are obtained.

利用液体火箭发动机性能参数和内外干扰因素之间的一组随机非线性方程组，采用Monte－Carlo方法对发动机性能参数进行了模拟。

These two parameters were returned to normal after 10 weeks of stopping gossypol treatment.

停药10周后，服药组两组参数均恢复到正常状态。

In nonparametric statistical theory, the nonparametric regression model that is with the given sample of observations are independent and identically distributed and the response .

在非参数统计理论中，对于给定的一组关于两变量和的非参数回归模型，其中已知，希望通过对的核估计得到更好的拟合模型。

Mechanical inertia identification method was deduced from the current model and the mechanical model of the PM motor.The gain of the speed controller was obtained through the mechanical inertia,a group of controller gains obtained through several turns of identification.

首先通过电机电流和电压方程以及运动方程推导出转动惯量的计算方法，再根据系统的转动惯量计算出速度控制器参数，在进行多次辨识和计算后，可以得到一组速度控制器参数。

In addition, simplex algorithm is used to inverse calculation the material parameters and thickness from experimental data and the results are quite good.

本文利用已发展成熟的弹性波理论，针对均质等向性弹性体，以所得的理论正解作为反算过程中的正算解，并利用一种几何搜寻的最佳化方法同时反算材料参数及厚度，反算过程中所使用的材料参数均为未知，仅须给予几组材料的预测值。

Methods The microlymphatic density and lymphatic vessel invasion in 102 cases of breast cancer tissue were evaluated by immunohistochemical staining, using monoclonal antibody for podoplanin. The characteristic of microlymphatic vessel and the relationship between MLD, LVI and clinicopathological parameters were evaluated.

采用微淋巴管标记物podo-planin对102例乳腺癌组织进行免疫组化染色，观察微淋巴管的特点，分析乳腺癌中微淋巴管密度及淋巴管浸润与临床病理参数之间的关系，并与血管标记物CD34进行双标免疫组化染色，观察podoplanin标记淋巴管的特异性。

Changes of heart function parameter: blood shoot percentage and Left ventricle minor axis shortening ratio around treatment were observed.

随机分为中药组 2 0例与西药组 2 0例，分别用中药及西医正规治疗，观测其心功能各项参数EFFS治疗前后的变化。

The energy levels of free metallic ion were calculated with a 13 parameters model including the 2-body and 3-body interactions. The Stark energy levels of crystal field were calculated using the model proposed by Newman based on 1 electron orbital approximation The f-f oscillator strength calculation includes the contribution of electrostatic-induced, ligand polarization, vibronic-induced, magnetic dipolar transitions.

其中，自由f离子能级计算采用包括双电子与叁电子组态相互作用的二三参数模型，晶体场Stark分裂计算采用单电子轨道近似，用Newman角叠加模型计算晶体场参数。f-f跃迁振子强度计算包括静电诱导偶极跃、配体极化偶极跃、振动诱导电偶极跃迁及磁偶极跃迁的贡献。

Based on detailed analyses on TOC,δ^13C org and HI from the lower Qingshankou to the upper Yaojia formations in Well Xu-22 of the central Songliao Basin, we have recognized three stages in the evolution of paleolimnology.

根据对松辽盆地中部X-22井青山口组－姚家组界线上下12.20m地层的TOC、δ^13C和HI等参数的分析，将该沉积期古湖泊的演化分为三个阶段。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。