Results 31 to 40 of about 1,210,792 (120)

米桑油田采出水处理工艺设计与运行

open access: yesGongye shui chuli, 2019
米桑油田开发产生大量的高温采出水,为满足油田生产和环保要求,需配套建设采出水处理系统,处理规模为2万m3/d。原油脱水系统来水含油量≤ 1 000 mg/L、悬浮物≤ 500 mg/L、硫化氢≤ 200 mg/L。针对采出水物性,工艺采用"调储缓冲+聚结除油+混凝沉降+气提脱硫+两级过滤"压力式流程对采出水进行处理,全流程密闭隔氧,处理后净化水达标用于油田注水。项目投产运行两年多,装置运行效果稳定,具有很好的工程借鉴意义。
张志庆   +4 more
doaj   +2 more sources

Behavioral interventions to reduce demand for threatened freshwater turtles as pets

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Growing demand for freshwater turtles as pets has fueled illegal trade and accelerated wild population declines, underscoring the need for theory‐based demand‐reduction interventions. We conducted a three‐part randomized controlled trial with active turtle keepers (n = 1800) in China to test conservation‐ and legality‐framed messages by ...
Wuji Zheng   +9 more
wiley   +1 more source

Residents' Knowledge and Protection Willingness of Otters in a Megacity in China 中国特大城市居民对水獭的认知程度及保护意愿

open access: yesIntegrative Conservation, Volume 5, Issue 3, Page 306-316, September 2026.
ABSTRACT In today's rapidly urbanizing world, the survival of wildlife in cities faces significant challenges, and the attitudes of urban residents toward wildlife play a crucial role in their survival. Otters, as top predators in freshwater ecosystems who are highly sensitive to environmental changes, had once gone extinct in Shenzhen—a megacity ...
Changning Liu   +5 more
wiley   +1 more source

渤海油田聚驱采出液污水处理研究

open access: yesGongye shui chuli, 2009
采用室内模拟的聚合物驱采出水,考察了聚合物对其稳定性的影响,以该采出水为介质,研制出一种阳离子型反相破乳剂HEU-7,并对其破乳机理进行了讨论。结果表明,HEU-7对模拟污水及渤海油田现场聚驱采出水均有较好的除油效果,当其用量为60mg/L时,30min后除油率达到90%以上。
沈明欢, 王金本
doaj   +2 more sources

Measuring Governance or Wealth? Construct Validation of AI Readiness Indices

open access: yesPolicy &Internet, Volume 18, Issue 3, September 2026.
ABSTRACT Many are the promises of artificial intelligence and the indices claiming to measure government readiness for it. This study provides the first construct validity investigation of the Oxford Insights Government AI Readiness Index, the Tortoise Global AI Index, and the IMF AI Preparedness Index, using a nine‐test battery and drawing on ...
Anis Ben Brik
wiley   +1 more source

抗污染亲水性膜在低渗透油层采出水处理中应用

open access: yes, 2011
抗污染亲水性膜在低渗透油层采出水处理中应用待填
曹义鸣
core  

电絮凝法去除超稠油高温采出水中有机物和悬浮物

open access: yesGongye shui chuli, 2021
采用电絮凝技术去除超稠油高温采出水中的有机物和悬浮物,研究极板面积、电流强度和电压、进水pH、水温对处理效果的影响。结果表明,去除有机物尤其是石油类时,应增大极板面积,提高反应电流,保持反应温度,并在pH中性条件下运行。去除悬浮物,应后置固液分离单元强化絮体去除。电絮凝法能有效去除超稠油高温采出水中的有机物,且不需额外加入药剂,不会恶化循环利用采出水的水质。
白昱   +7 more
doaj   +2 more sources

A Locally Retentive HfO2–STING Nano‐Radiosensitizer Hydrogel for Enhanced Radioimmunotherapy in Esophageal Cancer

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Esophageal squamous cell carcinoma (ESCC) remains associated with frequent local recurrence and distant metastasis despite advances in radiochemotherapy and immunotherapy, highlighting the need for therapeutic strategies that improve both local tumor control and systemic antitumor immune responses.
Dongdong Wang   +7 more
wiley   +1 more source

A Carboxymethyl Chitosan/Tannic Acid@Ag Composite Hydrogel for Gastrointestinal Defect Sealing and Smart Motion Monitoring

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Conductive hydrogels show great potential in flexible electronics and biomedical devices, yet their practical applications are often hindered by insufficient mechanical strength, poor environmental stability, and limited functionality. To address these challenges, this study has developed a hydrogel platform that integrates diagnosis and ...
Wei Jiang   +9 more
wiley   +1 more source

Synergistic Effect of Hydrophilic Surface and Nano‐Ag2O in TiO2‐Based Composites Coating on Antibacterial and Osteogenic Properties of Low Modulus Ti‐Mo‐Ag Alloy

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Ti‐15Mo‐2.5Ag alloy exhibited a low modulus and strong antibacterial ability but poor bioactivity. To resolve this problem, sandblasting and anodization were used to create a hydrophilic and nano‐Ag2O‐containing TiO2 coating. Subsequently, the microstructure and physicochemical properties were investigated by scanning electron microscopy, X ...
Yanchun Xie   +11 more
wiley   +1 more source

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