西北丝绸之路区；旅游城市；梯度开发。
低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。
Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.
根据低渗透非均质油藏的特点，分析了启动压力梯度、纵向非均质性、小层厚度和平面砂体厚度展布对该类油藏开发的影响。
The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs are analyzed.
引入软测量技术，成功地开发了基于电热连续结晶机槽内温度梯度，来实现槽内物料组分的测量。
This paper has successfully developed a intelligentized software measuring instrument of the materiel components in electrorefining successive crystallization machine by its temperature grads.
结合深水钻井的特点，考虑钻井施工的特殊要求，开发了深水双梯度钻井井身结构设计及优化程序。
And considering the features and particular requirements of deepwater drilling, a program for deepwater DGD well casing program design and optimization is developed.
低渗透油田由于存在启动压力梯度，开采难度很大，因此，在低渗透油田开发时必须考虑启动压力梯度的影响。
The impact of starting pressure gradient must be considered due to existence of starting pressure gradient and recovery difficulty during the development of low permeability oil reservoirs.
讨论了根据使用条件开发先进梯度模具材料的可行性和展望。
The feasibility and prospects of developing advanced functionally gradient die materials based on using conditions are discussed.
鉴于产品开发要求，试验研究确定选用蔗糖密度梯度离心方法作为流感疫苗的纯化手段。
As technological research findings will be industrialization, we choose the sucrose density gradient centrifugation as purified method and study the postorder work of purified virus-containing fluids.
此外还开发了增强型的梯度锐化算子，它既突出了边缘信息，又保留了低频信息，便于人和机器的一些后续处理。
The enhanced gradient operator was designed to stand out the edge of image and retain the low frequency information.
综合评述了梯度结构硬质合金的开发与应用。
It is summarized the development and application of graded-structure cemented carbides, and discussed basic principle, process and control of theirs manufacture.
面向局部检测区域小的空间尺寸测量问题，利用图像的梯度相关作为匹配特性，开发一种高效的基于梯度图像的立体匹配算法。
A gradient-based stereo image matching algorithm is developed by using the image gradient-related as the matching feature, especially for the space size measurement of a small region.
面向局部检测区域小的空间尺寸测量问题，利用图像的梯度相关作为匹配特性，开发一种高效的基于梯度图像的立体匹配算法。
A gradient-based stereo image matching algorithm is developed by using the image gradient-related as the matching feature, especially for the space size measurement of a small region.
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