动质

The effect of concentrations of Zn, Cu, Pb, Cr, Cd on the viscosity and gel properties of actomyosin and myosin was determined by using texture analyzer after addition of heavy metals.

为了解重金属离子污染对鱼体质地的影响，通过外源添加不同浓度的Zn、Cu、Pb、Cr、Cd重金属离子，采用质构仪测定添加不同浓度金属离子对肌动球蛋白和肌球蛋白黏性和凝胶特性的影响。

Methods:Via a cannula iserted into adominal aorta, Gey's balanced salt solution containing 0.025% collagenase P was perfused into rat normal pancreas. After digestion with collagenase P and protease, Nycodenz density gradient centrifugation was performed to isolate PSC. PSC was identified by its morphology, cytoplasmic lipid droplets and immunocytochemical staining for desmin, GFAP and α-SMA. Results:The production,viability and purity of isolated PSC were（15.3 ± 4.6）× 103／g body weight,（95.0 ± 3.5）%, and ﹥80％ respectively.

大鼠腹主动脉插管灌注后，经胶原酶消化、Nycodenz密度梯度离心，分离得到PSC；通过观察细胞形态、胞质内脂滴和免疫细胞化学方法检测结蛋白、神经胶质酸纤维蛋白（glial fibrillary acidic protein，GFAP）、α平滑肌肌动素（α-smooth muscle actin，α-SMA）的表达来鉴定PSC。

A kind of water saturation explanatory model of argillaceous sandstone is presented, including the formation water alteration during the lithification, and the argillaceous sandstone conductive volume as micro pore conductive volume occupied by the bound water and conductive volume in the effective pore.

认为泥质砂岩的导电体积由两部分组成，即完全被束缚水占据的微孔隙(孔喉半径小于 0 。1μm ，其中的流体不能渗流)导电体积和有效孔隙中被可动水、束缚水占据部分的导电体积，泥质砂岩的整个导电响应为二者之和，但二者导电体的导电特性不同，各有其不同的几何因子。

By using the theorem of moment of momentum with respect to the mass center, the ship motion is devided into translation and rotation respect to the ship mass center, and the six-degree-freedom nonlinear equation can be deduced based on the exactly analysing the force acting on the ship.

基於刚体运动学理论，将船舶在波浪中的运动分解为平动和绕质心的转动，在分析了船舶受力情况的基础上，运用质点系相对於质心的动量矩定理和Newton第二运动定律建立了船舶的六自由度运动的非线性藕合方程。

This study suggested that the neuropeptides in parasympathetic ganglion might play an important role in regulating secretary activity of submandibular gland.

本实验结果提示：大鼠、小鼠颌下腺副交感神经节细胞内的神经肽可能以神经递质或神经调质的方式，调节其复杂的分泌恬动。

The petrophysical properties reflect reservoir heterogeneity by integration of well testing with reservoir performance are acquired by means of geostatistics , multi-parameter cluster analysis , neural network technique , a set of method of quantitative division and estimation to reservoir quality unit in carbonate pools of fracture and vug type is explored , the estimated parameter for different unit is acquired. which lead to better the understanding of reservoir behavior and heterogeneity.

以地质统计学技术、神经网络技术和多参数聚类分析技术为手段，利用试井资料及其它开发动态资料，动静态资料相结合，研究和求取了反映岩溶储层非质性的物性参数；研究和探索了一套缝洞型碳酸盐岩储层开发储集质量单元的定量划分和评价方法，建立了不同单元的储层质量评价参数，深化了对缝洞型碳酸盐岩储层非均质性的认识。

It can be used to measure different kinds of the ammunition parameters,such as the center of mass,the centroidal deviation,the moment of inertia,the product of inertia,the dynamic unbalance and etc.

可以用来测量质心位置、质偏、转动惯量、惯性积、动不平衡度等多种参数，同时推导了相应的计算公式，并利用样机进行了实际测量，测量结果表明该方法是有效和可行的，且具有快速、高效、高精度等特点。

Immunohistochemically, cells in myoid/myofibroblastic areas showed positive staining for α-SMA, MSA and vimentin, but negative for desmin and CD34. Electron microscopic study displayed the presence of microfilament bundles, focal dense bodies and micropinocytic vesicles, consistent with those of myofibroblasts.

免疫组织化学标记显示肌样区域细胞表达α-平滑肌肌动蛋白和肌特异性肌动抗原，不表达CD34；电镜观察证实细胞含有质膜下微丝束、局灶性致密体及微胞饮囊泡样结构，与肌纤维母细胞相一致。

Because the rigid-body motion includes the translation along with center of mass and the rotation about it, there are couplings between different rigid-bodies, and between different degree-of-freedoms of a single rigid-body.

刚体运动包括质心的平动和绕质心的转动，因而多刚体系统中不仅包括刚体之间的自由度耦合，而且包括刚体本身自由度之间的耦合。

In this paper, the principle of dynamic balancing for rice mill shafts is studied.

研究了碾米机主轴部件的去重动平衡原理，详细讨论了动平衡解耦原理、重径积计算中去重质量质心位置的轴向变动等问

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。