1) continuous sand washing technology
连续冲砂工艺
1.
Development and application of continuous sand washing technology;
连续冲砂工艺技术的开发与应用
2) dynasand continuous sang-filtering technology
连续砂过滤工艺
3) progressive die press process
连续冲压工艺
1.
Through the example of making the fixing plate for vehicle number plate, the author introduces the working principle, feature, design key points and efficiency of progressive die press process and combination di
通过汽车牌照固定板制作实例 ,介绍连续冲压工艺、组合冲压模具工作原理、特点与设计要点及其所产生的效
4) continuous sand washing
连续冲砂
1.
Development and application of reversing continuous sand washing device inside the casing;
套管内换向连续冲砂装置的研制与应用
2.
A continuous sand washing apparatus and sand control unit are used in operation, by which stack accidents can be effectively avoided, the pollution in sand washing operation is solved and sand washing efficiency is raised.
在施工过程中通过采用连续冲砂装置及冲砂液除砂装置,可有效地避免卡井事故的发生,解决了冲砂作业的污染问题,并提高了冲砂效率。
3.
The disadvantage using coiled tubing for continuous sand washing in the multilateral horizontal wells is that the diameter of coiled tubing is small,borehole size is big,the return speed of sand washing liquid is low while washing sand,and it is not easy to sand out to the ground.
采用连续油管对分支水平井进行连续冲砂的缺点是连续油管直径小,井眼尺寸大,正冲砂时洗井液上返速度低,不易把砂子带出地面。
6) continuous process
连续工艺
1.
The advantages of the continuous process versus the centrifuge opener are laid out.
与离心脱水开幅机相比,叙述了这一连续工艺的优点。
2.
The results show that continuous process of preparing amylamine is reasonable.
以3,4-二甲基苯胺和3-戊酮为原料,采用连续工艺催化加氢合成N-(3-戊基)-3,4-二甲基苯胺。
3.
A continuous process for the synthesis of acetochlor is studied.
研讨一种连续合成乙草胺工艺，新工艺中间体不经分离直接继续反应，连续工艺避免了间歇过程中不可避免的一些不稳定情况，总收率大于９０％，乙草胺原药含量能达到９６％。
补充资料：冲砂液
分子式：
CAS号：
性质：又称冲砂液，冲洗液。用来冲洗井壁，清除井内沉渣或淤砂的流体。一般由表面活性剂及溶剂组成，并添加增黏剂和降滤失剂以调整其性能。
CAS号：
性质：又称冲砂液，冲洗液。用来冲洗井壁，清除井内沉渣或淤砂的流体。一般由表面活性剂及溶剂组成，并添加增黏剂和降滤失剂以调整其性能。
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