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rsdgj@pyzyrsd.com +86 513525609655

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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

E-Mail

rsdgj@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

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Increasing flavonoid concentrations in root exudates ...
Increasing flavonoid concentrations in root exudates ...

10/2/2021, · Mutualisms (e.g., mycorrhizae, rhizobia) are key ,plant, biotic interactions with large impacts on ,plant, fitness [1,2,3].The strength and direction of these interactions, however, could be altered ...

Journal of Cleaner Production | Vol 238 20 November 2019 ...
Journal of Cleaner Production | Vol 238 20 November 2019 ...

Spatiotemporal variations in cropland abandonment in the Guizhou–,Guangxi, karst mountain ,area,, China

Contrasting pathways of carbon sequestration in paddy and ...
Contrasting pathways of carbon sequestration in paddy and ...

Under both land‐use types, the maximal contribution of ,plant, residues to SOC is at intermediate mean annual temperature (15–20°C), neutral soil (pH~7.3), and low clay/,sand, ratio. By contrast, high temperature (~24°C), low soil pH (~5), and large clay/,sand, ratio are favorable for strengthening the contribution of microbial necromass.

Improving grain yield and reducing N loss using polymer ...
Improving grain yield and reducing N loss using polymer ...

The top 15-cm soil layer in the fields consists of 8.3 % ,sand,, 81.5 % silt, and 10.2 % clay by volume and contains 15.4 g kg −1 organic C and 1.79 g kg −1 N. The cation exchange capacity and the pH (H 2 O) of the soil (top 0–15-cm layer) were 11.8 cmol kg −1 and 5.6, respectively.

Report on China's development and investment in land and ...
Report on China's development and investment in land and ...

This zone includes 19 development areas of the mid - and lower reaches of the Pearl river, the Fenhe and Weihe river valleys, Ningxia and Inner Mongolia irrigated areas, Hainan island, central and southern ,Guangxi,, central Yunnan and Guizhou, the Hehuang ,area, of Qinghai, the Yaluzhangbu Jiang river region, the Nujiang and Lanchangjiang rivers in Tibet, corridor areas of the Yellow river, the plains of Nanyang, Gangdi in north Hubei, Jinqu plain - Xiaoshouning ,area, …

Contrasting pathways of carbon sequestration in paddy and ...
Contrasting pathways of carbon sequestration in paddy and ...

Under both land‐use types, the maximal contribution of ,plant, residues to SOC is at intermediate mean annual temperature (15–20°C), neutral soil (pH~7.3), and low clay/,sand, ratio. By contrast, high temperature (~24°C), low soil pH (~5), and large clay/,sand, ratio are favorable for strengthening the contribution of microbial necromass.

Synthesized Attributes of Water Use by Regional Vegetation ...
Synthesized Attributes of Water Use by Regional Vegetation ...

There are diverse stress signals which can be perceived by cells or organizations [41, 43, 46, 52], including mechanical stress signals (plasmolysis of plants cells resulting from drought stress), osmotic stress signals (changes in transmembrane osmotic potential of ,plant, cells resulting from water deficit), oxidative stress signals (production of free radical such as H 2 O 2 ·, H 2 O· and active oxygen in ,plant, …

Journal of Cleaner Production | Vol 238 20 November 2019 ...
Journal of Cleaner Production | Vol 238 20 November 2019 ...

Spatiotemporal variations in cropland abandonment in the Guizhou–,Guangxi, karst mountain ,area,, China

china sand making machine manufacturer Sweden
china sand making machine manufacturer Sweden

China ,sand, paper machine china ,sand, paper machine modern and imported machines are used to produce m-,sand, to ensure required grading zone for the ,sand,. properties of manufactured ,sand, for concrete construction. higher strength of concrete. the manufactured ,sand, has required gradation of fines, physical properties such as shape, smooth surface textures and consistency which makes it the …

Guangxi Autonomous Region’s 2020 list of major scientific ...
Guangxi Autonomous Region’s 2020 list of major scientific ...

Guangxi, Autonomous Region’s 2020 list of major scientific and technological achievements transformation projects announced, involving 145 items in the food field. By: foodmatenet Date: 2021-01-02 Categories: foodtechnology Tags: ,Guangxi,, Limited Company. Food Partner Network News On December 29, 2020, the Science and Technology Department of ...

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Road West, North Branch, Jingkai Road, Puyang City