Tian Dong
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View article: 24. ĐÁNH GIÁ HIỆU QUẢ GIẢM ĐAU SAU PHẪU THUẬT CẮT GAN CỦA PHƯƠNG PHÁP GÂY TÊ TAP BLOCK DƯỚI SƯỜN PHỐI HỢP VỚI PCA MORPHIN
24. ĐÁNH GIÁ HIỆU QUẢ GIẢM ĐAU SAU PHẪU THUẬT CẮT GAN CỦA PHƯƠNG PHÁP GÂY TÊ TAP BLOCK DƯỚI SƯỜN PHỐI HỢP VỚI PCA MORPHIN Open
Mục tiêu: Đánh giá hiệu quả giảm đau sau mổ của phương pháp gây tê TAP block dưới sườn hai bên kết hợp với giảm đau PCA Morphin cho phẫu thuật cắt gan so với giảm đau ngoài màng cứng. Đối tượng và phương pháp: Đối tượng nghiên cứu gồm 60 b…
View article: Global bibliometric analysis of Tourette syndrome research (1960–2024): trends, collaborations and emerging themes
Global bibliometric analysis of Tourette syndrome research (1960–2024): trends, collaborations and emerging themes Open
Introduction Tourette Syndrome (TS), a complex neurodevelopmental disorder, has seen a substantial increase in research activity, yet a systematic bibliometric analysis elucidating the global research landscape remains lacking. This study …
View article: Internet usage elevates elderly obesity: evidence from a difference-in-differences analysis of the broadband China policy
Internet usage elevates elderly obesity: evidence from a difference-in-differences analysis of the broadband China policy Open
Policy recommendations include promoting healthy internet usage practices, enhancing community-based activity facilities, and providing comprehensive mental health support to mitigate obesity rates and improve health outcomes among the eld…
View article: Advances and trends in the application of functional near-infrared spectroscopy for pediatric assessments: a bibliometric analysis
Advances and trends in the application of functional near-infrared spectroscopy for pediatric assessments: a bibliometric analysis Open
Objective The objective is to elucidate the collaboration and current research status in the pediatric field of fNIRS using bibliometric analysis, and to discuss future directions. Method Bibliometric analysis was conducted on publications…
View article: The Effect of Diagenetic Modifications on Porosity Development in the Upper Ordovician to Lower Silurian Wufeng and Longmaxi Formations, Southeast Sichuan Basin, China
The Effect of Diagenetic Modifications on Porosity Development in the Upper Ordovician to Lower Silurian Wufeng and Longmaxi Formations, Southeast Sichuan Basin, China Open
Diagenesis has been demonstrated to significantly affect porosity development in shale reservoirs, however, the effect of diagenetic modifications on shale pore structures is still unclear. For clarifying this issue, this paper focuses on …
View article: On the Generation of Light Hydrocarbons from the Closed Pores of Jurassic Strata, Sichuan Basin
On the Generation of Light Hydrocarbons from the Closed Pores of Jurassic Strata, Sichuan Basin Open
View article: Pore Structure and Fractal Characteristics of the Middle and Upper Permian Dalong and Gufeng Shale Reservoirs, Western Hubei Province, South China
Pore Structure and Fractal Characteristics of the Middle and Upper Permian Dalong and Gufeng Shale Reservoirs, Western Hubei Province, South China Open
The Middle and Upper Permian Dalong and Gufeng Formations in South China have recently been considered as potential gas-producing shales. However, their pore structure characteristics remain poorly understood. To investigate the pore struc…
View article: Deciphering the Chemical Fingerprint of Astragalus membranaceus: Volatile Components Attractive to Bruchophagus huonchili Wasps
Deciphering the Chemical Fingerprint of Astragalus membranaceus: Volatile Components Attractive to Bruchophagus huonchili Wasps Open
Bruchophagus huonchili is a pest that poses a serious threat to the yield and quality of Astragalus membranaceus seeds. In this study, we employed solid-phase microextraction (SPME) and gas chromatography-mass spectrometry (GC-MS) to ident…
View article: Effects of Quartz Precipitation on the Abundance and Preservation of Organic Matter Pores in Cambrian Marine Shale in South China
Effects of Quartz Precipitation on the Abundance and Preservation of Organic Matter Pores in Cambrian Marine Shale in South China Open
To evaluate the effects of quartz precipitation on the abundance and preservation of organic matter pores in marine shale reservoirs, the type of authigenic quartz and the source of silica, as well as the corresponding relation of the Lowe…
View article: Pore Fractal Characteristics of Lacustrine Shale of Upper Cretaceous Nenjiang Formation from the Songliao Basin, NE China
Pore Fractal Characteristics of Lacustrine Shale of Upper Cretaceous Nenjiang Formation from the Songliao Basin, NE China Open
The evaluation of pore characteristics in lacustrine shales is of significance for shale oil and gas exploration in terrestrial sedimentary basins. However, due to the complex depositional environments, there have been few reports on the q…
View article: Prediction of Total Organic Carbon in Organic-Rich Shale Rocks Using Thermal Neutron Parameters
Prediction of Total Organic Carbon in Organic-Rich Shale Rocks Using Thermal Neutron Parameters Open
Total organic carbon (TOC) content is one of the crucial parameters that determine the value of the source rock. The TOC content gives important indications about the source rocks and hydrocarbon volume. Various techniques have been utiliz…
View article: Mineralogical Evolution of the Cretaceous Strata in the Songliao Basin, Northeastern China: Implications for Thermal History and Paleoenvironmental Evolution
Mineralogical Evolution of the Cretaceous Strata in the Songliao Basin, Northeastern China: Implications for Thermal History and Paleoenvironmental Evolution Open
The Songliao Basin in northeastern China is one of the largest and longest-lived Cretaceous sedimentary basins enriched in petroleum and geothermal resources worldwide. Although the modern Songliao Basin has a high geothermal gradient, the…
View article: Controlling Factors for Organic Carbon Burial in the Late Cretaceous Nenjiang Formation of the Songliao Basin, NE China
Controlling Factors for Organic Carbon Burial in the Late Cretaceous Nenjiang Formation of the Songliao Basin, NE China Open
The Songliao Basin (SLB) is a large terrestrial petroliferous basin located in northeastern China. The Nenjiang Formation represents excellent hydrocarbon source rocks for the Daqing oil field. Previous studies have indicated that the oil …
View article: Clay mineralogical evidence for mid-latitude terrestrial climate change from the latest Cretaceous through the earliest Paleogene in the Songliao Basin, NE China
Clay mineralogical evidence for mid-latitude terrestrial climate change from the latest Cretaceous through the earliest Paleogene in the Songliao Basin, NE China Open
From the latest Cretaceous (late Campanian to Maastrichtian, ~ 76−66 Ma) through the earliest Paleogene, a fluctuating greenhouse climate prevailed and climatic changes were linked to catastrophic geological events and massive biotic extin…
View article: 湘中涟源凹陷上二叠统龙潭组和大隆组海陆过渡相泥页岩孔隙结构特征及对比
湘中涟源凹陷上二叠统龙潭组和大隆组海陆过渡相泥页岩孔隙结构特征及对比 Open
摘要: 以湘中坳陷涟源凹陷上二叠统龙潭组和大隆组海陆过渡相泥页岩为研究对象，重点选取12块典型泥页岩钻井岩心样品开展有机碳含量、岩石热解、X射线衍射、密度法孔隙度、高压压汞、二氧化碳和氮气吸附等测试分析，利用氩离子抛光-场发射扫描电镜（FE-SEM）观察了泥页岩孔隙特征，通过定性描述和定量测定相结合的方法研究了海陆过渡相泥页岩纳-微米级孔隙结构特征及孔隙发育影响因素.研究结果表明：龙潭组和大隆组泥页岩有机碳含量均较高，热演化程度处在凝析油和湿气生成阶段早期，对应Ro为1.2…
View article: 黄陵背斜南翼牛蹄塘组二段页岩岩心裂缝脉体成岩环境演化与页岩气保存
黄陵背斜南翼牛蹄塘组二段页岩岩心裂缝脉体成岩环境演化与页岩气保存 Open
摘要: 岩心观察鄂西黄陵背斜南翼下寒武统牛蹄塘组二段黑色页岩中发育构造挤压成因的高角度裂缝和顺层裂缝.选取不同产状的典型裂缝脉体样品，薄片镜下观察发现高角度裂缝中充填方解石脉，顺层裂缝中充填方解石-白云石复合脉.通过阴极发光、流体包裹体分析以及微区原位元素测定，开展了裂缝脉体成岩环境演化研究，分析了不同产状裂缝对页岩气层局部封闭性的影响.阴极发光结果表明，高角度方解石脉和顺层方解石-白云石复合脉均为2期流体活动形成.根据流体包裹体分析，高角度方解石脉早期成脉流体主要为变质较…
View article: The Distribution and Origin of Carbonate Cements in Deep-Buried Sandstones in the Central Junggar Basin, Northwest China
The Distribution and Origin of Carbonate Cements in Deep-Buried Sandstones in the Central Junggar Basin, Northwest China Open
Extremely high porosities and permeabilities are commonly discovered in the sandstones of the Xishanyao Formation in the central Junggar Basin with the burial depth greater than 5500 m, from which hydrocarbons are currently being produced.…
View article: Evaluation of the uncertainty of determination cadmium in aluminum copper alloy by photoelectric spectrometry
Evaluation of the uncertainty of determination cadmium in aluminum copper alloy by photoelectric spectrometry Open
According to JJF 1059.1-2012 of Evaluation and Expression of Uncertainty, uncertainty evaluation of measurement cadmium in copper aluminum alloy had proposed by photoelectric spectrometry. The sources of the measurement uncertainty were an…