1) proppant concentration
支撑剂含量
2) proppant
支撑剂
1.
Experimental Study on the Flow Conductivity of a new typed resin-coated sand proppants;
一种新型覆膜砂支撑剂导流能力室内评价研究
2.
Development of a high-strength acid-resisting proppant;
高强度耐酸支撑剂的研制与开发
3.
Measurement and analysis of proppant sphericity and roundness;
压裂支撑剂球度与圆度测量分析
4) support vector
支撑矢量
1.
When the number of support vectors or samples required to distinguish is large, its direct computation would take much time In order to reduce the complexity of discriminant value computation, vector replacement method mainly for linear SVM and orthogonal vectors method mainly for nonlinear SVM are brought forwar
当支撑矢量或待判别的样本很多时 ,支撑矢量机算法对判别函数值的直接计算会影响整个SVM算法的速度 国外对于SVM的训练算法研究很深入 ,但判别函数值的算法研究很少 文中将从减少判别值计算的复杂性入手 ,提出矢量替换法 (主要针对线性SVM )、正交矢量法 (主要针对非线性SVM)的判别值计算算
2.
For the support vector machine based learning algorithm of classifier, it is very importance for the support vector to be pre-selected.
在基于支撑矢量机的分类器学习算法中,预先选择支撑矢量是非常重要的。
3.
A new method called center distance ratio which is able to extract support vectors from given training examples is presened for support vector algorithm.
支撑矢量机为小样本模式识别提供了一新的途径 ,但其支撑矢量的选择相当困难 ,也成为其应用的瓶颈问题 。
5) Support vector
支撑向量
1.
Unsupervised Clustering Based Reduced Support Vector Machines;
基于无监督聚类的约简支撑向量机
2.
Hyper-sphere support vector machine is an important method for unbalanced classification which is an important issue in biomedical engineering such as tongue image classification in traditional chinese medicine.
超球面支撑向量机是不均衡样本分类的一种重要方法。
3.
Support Vector Machine (SVM) is a pattern classification technique.
支撑向量机（SVM）是一种模式识别技术，相当于一种模式分类器。
6) backflow of proppant
支撑剂回流
1.
During the testing and exploitation of fractured wells,backflow of proppant often occurs and badly stings the surface flow system.
压裂井在施工后期进行排液测试及采气过程中,常有支撑剂回流造成刺坏地面流程的情况发生。
补充资料：压裂液支撑剂
分子式：
CAS号：
性质：压裂时被压裂液带入裂缝，在压力释放后用以支撑裂缝的物质。常用的有砂子、树脂、涂层砂、中等强度陶粒、高强度的烧结铝钒土、氧化锆等。
CAS号：
性质：压裂时被压裂液带入裂缝，在压力释放后用以支撑裂缝的物质。常用的有砂子、树脂、涂层砂、中等强度陶粒、高强度的烧结铝钒土、氧化锆等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条