close sand,compacted sands,tight sand是什么意思

网络释义

用法例句

Stress sensitivity of low-permeability tight gas reservoir and its effect on single well productivity;

致密低渗气藏储层应力敏感性及其对单井产能的影响

Seismic recognition of tight heterogeneous reservoirs in Chuanxi depression;

川西坳陷致密非均质储层地震识别技术

As a tight clastic rocks reservoir in deep land-fades strata, T3x gas reservoir is characterized by tightness, low permeability, thin inter-bed, multilayer nappe and high heterogeneity in Xinchang Gas Field.

新场气田须家河气藏属于深层陆相致密碎屑岩气藏,具有致密、低孔渗、薄互层、多层叠置和强非均质性的特点。

Preparation of dense high temperature proton conductingceramics SrCe_(0.9)Y_(0.1)O_(3-α);

致密高温质子导电陶瓷SrCe_(0.9)Y_(0.1)O_(3-α)的制备

Objective To investigate technique methods of dense emolization of intracranial aneurysms, factors resulting incomplete embolization.

目的　探讨颅内动脉瘤致密栓塞的技术方法 ,分析不全栓塞的原因。

The densification behavior of the Mg and B reaction sinter was analyzed in theory.

采用高能球磨Mg/B复合粉体作为前驱粉制备了MgB2超导块材,研究了球磨时间、烧结温度和时间等参数对MgB2超导块材致密度的影响,并理论分析了高能球磨Mg/B复合粉体的反应烧结致密行为。

The densification effects of upsetting and repressing are compared,and a technology design principle for closed die forging is suggested .

分析了粉末烧结材料镦粗和复压工艺的致密效果,提出了闭式模锻工艺设计原则。

The deformation and densification laws of sintered powder material in filling cavity process of closed die forging are researched based on the closed die forging experiment of sintered copper cylinder.

通过烧结紫铜圆柱体试样闭式模锻实验，研究了充满模腔过程的变形与致密规律。

Synthesis of highly pure and compact long afterglow bulk materials;

高纯致密的长余辉块体材料的制备方法的研究

PCB coating gold layer compactness analysis;

PCB镀金层致密性分析