Technical progress of construction and safe operation of underground gas storage under complex geological conditions [PDF]
Due to the high dependency of China on imported natural gas, continuously enhancing the gas storage capacity in peak shaving and stable supply is an inevitable choice to assure natural gas security in China.
Chun LI +7 more
core +1 more source
Lithium-ion batteries are widely used as energy storage and dynamic power, while the capacity life of battery is one of the key factors affecting its further application.
Chen, Haofeng +3 more
core +1 more source
Quality control and safety management of oil and gas pipelines during its whole life cycle [PDF]
The development history and technical change of oil and gas pipeline quality management in China were reviewed focusing on pipeline quality control in the whole life cycle, on the basis of quality improvement of oil and gas pipelines in the construction ...
Changliang JIANG
core +1 more source
Invalidation analysis of Ag@Pt core-shell nanoparticle catalysts in the electrocatalytic process [PDF]
Ag@Pt core-shell nanoparticles(Ag@Pt NPs) composed of an Ag nanoparticle core and a Pt shell were prepared by the seed-mediated growth method and self-assembly technology.
CHEN Ke +4 more
core +1 more source
Research progress of pestle needle therapy for chronic insomnia patients (慢性失眠患者杵针疗法的研究进展)
Pestle needle therapy as a new type of Traditional Chinese Medicine in the treatment of insomnia, the article reviewed the etiology and pathogenesis of insomnia, dialectical classification, the origin of pestle needle therapy, the mechanism of treating ...
LI Qianqian (李倩倩) +1 more
doaj +1 more source
采用田间试验探究了不同施肥处理对稻田氮素流失的影响,其中不同施肥包括对照(CK)、常规施肥(CT)、有机肥替代(BS)和炭基肥(CB)4个处理。结果表明:CB和BS组对降低稻田氮素径流流失的效果显著(p < 0.05),其中稻田铵态氮的径流流失总量CT组(20.08 kg/hm2) > BS组(15.53 kg/hm2) > CB组(12.68 kg/hm2) > CK组(0.63 kg/hm2)。通过估算不同深度土壤的铵态氮与硝态氮淋溶流失量可知,BS和CB组对降低稻田氮素淋溶流失的效果有限。CT ...
陈子薇 +5 more
doaj
Research and Design of Multi-Channel Temperature Control System for High Power LEDs Online Accelerated Aging [PDF]
半导体照明技术伴随时代的进步,应用愈发广泛,大功率LED照明领域更是逐步走向普及。但实际应用中,LED器件和封装的缺陷及工作时发热极大限制了其性能和实际寿命,可靠性问题日渐显露。为此LED寿命加速测试尤为重要,以实现寿命预测,失效机理分析,使得LED可靠性提升。常用的高温老化测试传统上使用高温试验箱,此方法存在诸多缺点:参数检测不连续、温升慢、体积大、功耗高。本文针对性地研制了一套轻便的LED在线寿命加速多路温控系统(以下简称温控系统)。主要工作内容与研究成果如下: 1.研制了温控系统的硬件部分 ...
周骁炀
core
Advancing conservation breeding programs for marine invertebrates
Abstract In the face of ecosystem change and biodiversity loss caused by climate change and other stressors, conservation breeding, or captive breeding, with the aim of reintroduction for wild population recovery, is an emerging tool for preventing species’ extinction and rehabilitating ecosystems.
Elora H. López‐Nandam +3 more
wiley +1 more source
Probability Safety Analysis of Simplified CPR1000 Main Feedwater System and AP1000 Passive Containment Cooling System [PDF]
随着数字化仪控系统在核电厂中得到越来越多的应用,其可靠性对核电安全也越来越重要。传统概率安全分析方法已在模拟仪控系统中得到广泛应用,但在分析具有新设备和新技术的数字化仪控系统时还存在不足。动态概率安全分析方法中,Markov/CCMT是较为符合数字化仪控特性的概率安全分析方法之一。 本文主要是应用故障树、Markov和Markov/CCMT三种方法对简化CPR1000主给水系统和简化AP1000非能动安全壳冷却系统分别进行安全分析,其中简化CPR1000主给水系统在设置故障时偏重于数字类故障 ...
侯恩通
core
Structural strength failure mechanism of X52 natural gas pipeline with corrosion defects under hydrogen-blended environment [PDF]
ObjectiveThis study aims to explore the structural strength deterioration mechanism of pipelines with corrosion defects in hydrogen-blended environments.MethodsBased on the experimental data, an analysis is made of the load bearing performance of X52 ...
Deqiang WANG +4 more
core +1 more source

