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Because of the complex nature of cutting operations, it is difficult to establish relationships that quantitatively define the machinability of a material.

因为剪切工序的复杂属性，所以很难建立定量地释义材料的可机加工性的关系。

OBJECTIVE: To observe dynamic changes in flowing quality and field in cerebral ischemic area in rats so as to qualitatively and quantitatively analyze the microvascular state in pia matral encephali ischemic area and the changes of associated leukocytic flowing velocity and flowing morphology.

目的：动态观察针刺后大鼠脑缺血区流质、流场的变化，定性、定量地分析软脑膜缺血区微血管的状态及其所伴随的血细胞的流速及流态变化。设计：随机对照实验。

Vascular endotheliocyte fluorescence staining and leukocyte fluorescence tracing method were applied, in combination with microscopic video system and computer imaging analyzing system, to observe in dynamic and quantitatively the influences of acupuncture on pia matral encephali microvascular morphology, density and blood flowing velocity at 3 hours, 6 hours and 24 hours after cerebral occlusion of meddle cerebral artery.morphology, density and blood flowing state at various time divisions observed directly microscopically and vascular endotheliocyte morphology and the state of brain tissue which near the microvascular after infusion with velocity in infarcted area at various time divisions measured in quantity in each group.microvascular endotheliocytes were colored worse and more fluorescent exudation appeared.

采用血管内皮细胞荧光染色及白细胞荧光示踪法，结合显微录像系统和计算机图像分析系统，动态定量地观察了针刺对大脑中动脉阻塞后3，6，24h软脑膜微血管形态、密度、血流速度的影响。主要观察指标：①从显微镜下直接观察各组大鼠不同时段软脑膜微血管的形态、密度、血流状况，以及注入荧光剂后血管内皮细胞形态和周围脑组织状况。②定量测量各组大鼠不同时段梗死区微血管密度、血流速度。结果：120只大鼠均进入结果分析。

The empirical relation equations can quantitatively express the natural relation of their valence electron structures with their mechanical properties 5 The natural reasons and mechanisms of anomalous response of TiAl in high temperature are fully analysed; An integrated theory of its R phenomenon in riew of many mechanisms is deduced, and according to the theory, its main experimental result is explained, and the temperature responses of other metallics are proposed.

较为完整地分析了TiAl反常的温度强化效应的作用机制及本质原因，在不同层次以多种机制给出了其R现象的综合理论，解释了其主要实验结果，进而指出了其它金属间化合物温度效应的一般规律。

After testing the sensing properties of the different thickness of Fe-C film,a new way was proposed to monitor corrosion quantitatively,a conclusion was drawn that the ion sputtering Au was the best way to metallize the fiber core,which should be helpful for the future research of the optical fiber corrosion sensor with Fe-C alloy film.

结果表明，通过离子溅射金使纤芯金属化是一个相对较好的方法，这为Fe-C合金膜光纤腐蚀传感器的进一步发展开启了新思路。标签光纤光学 Fe-C合金膜制备腐蚀实验定量监测 fiber optics fabrication of Fe-C alloy film corrosion test quantitative monitoring

Two methods, differential thermal analysis and image analysis of metallograph, were used to semi-quantitatively determine the content of amorphous structure in this zone.

论文中建立了差热分析法和金相法两种确定非晶组织含量的半定量方法。

The blood flow rate of tibial metaphysis and skeletal muscles was measured quantitatively with the hydrogen washout technique .

本研究采用氢廓清技术检测葛根素对骨折后的骨和骨骼肌血流的影响，现报告如下。1材料与方法1·1动物制备30只新西兰大白兔，体重为1·58~2·45kg，雌雄不限，随机分成A组和B组，每组15只。

This paper presents a new technique of linking ring oven with Fouries transform infrared microspectroscopy to analyse the lead in airborne particles quantitatively.

介绍和讨论了应用傅立叶变换显微红外光谱法与环炉法相结合，定量测定大气飘尘中铅的最新技术。

However, there is no valid mothed to quantitatively evaluate the operation performance of the force telepresence system before.

本文首次提出了虚拟阻抗的概念，以此导出了一套能定量评价力觉临场感系统操作性能的距离指标函数。

The coefficients of the function were determined by multivariant stepwise linear regression. Effect of alloying elements was quantitatively demonstrated.

磷、铜提高钢的耐大气腐蚀性能；硫急剧降低钢的耐大气腐蚀性；硫、磷含量在很小范围内即有明显作用。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。