Alviss

To explore the feasibility of applying quantitative magnetic resonance imaging techniques for the diagnosis of children with attention-deficit/hyperactivity disorder (ADHD) comorbid autistic traits (ATs). A prospective study was performed by selecting 56 children aged 4-5 years with ADHD-ATs as the study group and 53 sex- and age-matched children with ADHD without ATs as the control group. All chi...

We evaluated brain iron content in a healthy pediatric population using quantitative susceptibility mapping (QSM). From June 2018 to December 2019, healthy subjects aged 2-18 years old (200 males, 200 females) with no anatomical abnormalities were assessed. All of the children underwent 3D T1 anatomical MRIs in addition to the sequence scans of enhanced T2 star-weighted angiography (ESWAN). The ES...

To explore the application of quantitative magnetic resonance imaging in the diagnosis of autism in children. Sixty autistic children aged 2-3 years and 60 age- and sex-matched healthy children participated in the study. All the children were scanned using head MRI conventional sequences, 3D-T1, diffusion kurtosis imaging (DKI), enhanced T2*- weighted magnetic resonance angiography (ESWAN) and 3D-...

To explore the application of three-dimensional pseudocontinuous arterial spin labeling (3D-PCASL) perfusion imaging in the brains of children with autism and to understand the characteristics of cerebral blood perfusion in children with autism. A total of 320 children with autism (160 men and 160 women) aged between 2 and 18 years and 320 age- and sex-matched healthy children participated in the ...

This study found that the decreased iron content in some brain regions of children with ADHD. This study found that the globus pallidus, caudate nucleus, hippocampus, and putamen could distinguish children with ADHD (AUC > 0.5, p .05). The volume of frontal lobe and hippocampus of children with ADHD was lower than that of healthy children (p 0.5, p < .05). Quantitative susceptibility mapping showe...

Machangqing Cu-Mo-Au ore deposit is a typical deposit related to the Himalayan Epoch alkaline-rich porphyries along the Jinshajiang- Ailaoshan deep fault. From the rock body→ contanct zone→ wall-rocks, mineralization zones can be divided into Mo→Cu→Au, and the mineralization temperature cooled down as high→high-medium→medium-low→low. By the way of the geological age`s studies, we discovered that a...

There are kinds of xenoliths in volcanic breccia rocks at Maguan Area, Yunnan Province. Systemically petrological and geochemical studies of the host rocks and their xenoliths show that they can be classified into three groups, basanlte and ultrapotassic rocks as cements of volcanic breccia rocks, and spinel mantle peridotite which can be further divided into two groups. The one is primitive perid...

The Machangqing Cu–Mo (Au) deposit is located in the central part of the Jinshajiang – Red River belt in the Sanjiang orogen, which lies across the Qiangtang terrane and western Yangtze craton, sou...

Detailed geochemical and U-Pb studies of two diabases (Luoji and Cuiyi) from the Luoji area have been undertaken. The diabases are high-K calc-alkaline and belonging to the tholeiitic series, enriched in large ion lithophile elements, Ti, Zr and light rare earth elements, and depleted in high field strength elements. These characteristics are different from the oceanic island basalt but highly con...

There are quite a few mantle xenoliths and one special Fe-rich melt xenolith in aegirine syenite porphyry, Liuhe, Yunnan province. Petrographic research shows that black opaque material that is Fe-rich glass, which are widely distribute reticulate along intergranular cracks of minerals, crystals fissues and cleavage in association with metasomatic alteration in the mafic-ultramafic xenoliths and t...