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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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+86 513525609655

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rsdgj@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

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Explore LI's Gorgeous Marinas | Long Island Pulse Magazine
Explore LI's Gorgeous Marinas | Long Island Pulse Magazine

26/6/2018, · Within walking distance from Corey Beach and across the way from Fire Island, Blue Point is a year-round marina for all boating needs. The marina offers mechanical repairs, a marine supply store and gas ,pumps,. Not to mention, the views are simply to die for. Click to visit

The Effect of Wastewater Treatment Plants on Retainment of ...
The Effect of Wastewater Treatment Plants on Retainment of ...

Also, ,sand, filtration has been noted to fragment microplastics into even smaller particles [4] [114]. Ultrafiltration (UF) is often used for the removal of particulates and macromolecules from raw water to produce potable water, and is more and more replacing secondary treatment methods such as coagulation, flocculation, and sedimentation and more classical tertiary filtration such as ,sand, ...

Durable and scalable icephobic surfaces: similarities and ...
Durable and scalable icephobic surfaces: similarities and ...

Sand, impact tests carried out using 100–300 μm ,sand, grains at a height of 40 cm revealed that the surface can maintain its superhydrophobicity after undergoing ,sand, tests with grain masses of 30 g or less (with static contact angle >150° and the sliding angle closes to 10°).

Effect of Runoff Variability and Sea Level on Saltwater ...
Effect of Runoff Variability and Sea Level on Saltwater ...

The errors of velocity and salinity may mainly come from the errors of measurements or topography caused by ,sand, accumulation and erosion. In total, considering the complexity of the factors influencing the salinity in the estuary, the fitting results are considered satisfactory, confirming that the numerical model can be used to simulate the temporal‐spatial distribution of hydrodynamics ...

Microorganisms as tracers in groundwater injection and ...
Microorganisms as tracers in groundwater injection and ...

Abstract. Modern day ,injection and recovery, techniques designed to examine the transport behavior of microorganisms in groundwater have evolved from experiments conducted in the late 1800s, in which bacteria that form red or yellow pigments were used to trace …

4 Risks Associated with Nanotechnology | Nanotechnology ...
4 Risks Associated with Nanotechnology | Nanotechnology ...

Reflecting Dr. ,Li’s, statement that it is difficult to predict nanoparticle biodistribution and toxicity, Dr. DeSimone pointed out their experiences when testing the biological effects of PEG-based nanoparticles decorated with transferrin or antibodies to transferrin receptors (both proteins that bind transferring receptors); tranferrin receptors are overexpressed in some types of cancer.

Oil Spill Clean-up Technologies | Zinan Li's Blog
Oil Spill Clean-up Technologies | Zinan Li's Blog

6/8/2010, · After having burned for more than a day, Deepwater Horizon sank on Apr. 22nd, 2010, and within 15 hours the explosion and fire on the pipeline of CNPC's in Dalian, China was extinguished, while the oil spill clean-up will last much longer. Major oil spills, such as Deepwater Horizon, Dalian pipeline, and others, attract the…

Design Analysis and Observed Performance of a Tieback ...
Design Analysis and Observed Performance of a Tieback ...

Dense ,sand, with a characteristic unit weight = 20 kN/m 3 and drained friction angle = 38° surrounds the ... with a diameter of 0.4 m. The length of the filter tube in each well was 32 m. Submersible ,pumps, were selected to be installed in the wells as the dewatering ... According to ,Li’s, investigation , …

Understanding the Dynamics of Primary Zn-MnO2 Alkaline ...
Understanding the Dynamics of Primary Zn-MnO2 Alkaline ...

@article{osti_1529287, title = {Understanding the Dynamics of Primary Zn-MnO2 Alkaline Battery Gassing with Operando Visualization and Pressure Cells}, author = {Faegh, Ehsan and Omasta, Travis and Hull, Matthew and Ferrin, Sean and Shrestha, Sujan and Lechman, Jeremy B. and Bolintineanu, Dan Stefan and Zuraw, Michael and Mustain, William E.}, abstractNote = {The leading cause for safety vent ...

Membrane Filtration Guidance Manual November 2005
Membrane Filtration Guidance Manual November 2005

Most applications require designated feed ,pumps, to ,Membrane Filtration Guidance Manual, 2-15 November 2005 ------- Chapter 2 - Overview of Membrane Filtration generate the required operating pressure, although there are some water treatment plants that take advantage of favorable hydraulic conditions to operate a MF or UF system via gravity flow.

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Road West, North Branch, Jingkai Road, Puyang City