Welcome to the company ! we have many years of professional experience !
rsdzd@pyzyrsd.com +86 13525609655

pneumatic cylinder

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.

Certificate of Honor

CONTACT US

Customer satisfaction is our first goal!

Phone

+86 13525609655

E-Mail

rsdzd@pyzyrsd.com

Address

Road West, North Branch, Jingkai Road, Puyang City

pneumatic cylinder
Breusch Pagan vs. White test for heteroskedasticity ...
Breusch Pagan vs. White test for heteroskedasticity ...

30/4/2017, · ,One, of the lessons there is that using a test for heteroskedasticity to conclude something about the mean ,is not, a good idea. Like Joao said, if the goal is to test the ,functional form, of the mean, RESET, make robust to heteroskedasticity, is a much preferred option.

Statistical Modeling | Introduction to Statistical Modeling
Statistical Modeling | Introduction to Statistical Modeling

For ,example,, given “personal income” (y) together with “years of schooling” (s) and “on-the-job experience” (x), we might specify a ,functional, relationship y=f(s,x)} as follows: Model ,Misspecification, : Has it ever happened with you that the model is converging properly on simulated data, but the moment real data comes, its robustness degrades, and it is no more converging?

Kuznets Curve - an overview | ScienceDirect Topics
Kuznets Curve - an overview | ScienceDirect Topics

Following, the ,Kuznets curve, hypothesis, first formulated in the 1950s, another common view among economists has been that income inequality—and possibly wealth inequality as well—should first rise and then decline with economic development, as a growing fraction of the population joins high-productivity sectors and benefits from industrial growth. 2 However, ,following, the rise in ...

The Technology Acceptance Model: Its past and its future ...
The Technology Acceptance Model: Its past and its future ...

1/2/2010, · For ,example,, ,one, writes, “Generally, the essential characteristics of users and technologies in professional health care differ greatly from the customary commercial context … thus, any model developed for the general public may ,not, apply to a health care environment” . The importance of context cannot be overstated .

Time Series Analysis for Business Forecasting
Time Series Analysis for Business Forecasting

One example, of the use of ,time-series, analysis would be the simple extrapolation of a past trend in predicting population growth ... faced with the task of predicting market response, we seldom know the ,functional form, of the response. ... The SD approach to modeling is an important ,one, for the ,following,, ,not, the least of which is that e.g., ...

UNIQ+ (UNIQ plus) | Graduate access | University of Oxford
UNIQ+ (UNIQ plus) | Graduate access | University of Oxford

UNIQ+ Digital. UNIQ+ Digital is a flexible and fully online programme of events, mentoring and digital content, offered in two parts. To get the most out of UNIQ+ Digital, we recommend that you allow about 2-4 hours per week over the summer, and up to 1-2 hours per week from September to October.

Chat Online Inquiry Email

Business cooperation

+86 13525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City