human infection with avian influenza a h7n9 virus has emerged in china with high morbidity rates. patients usually present with severe and rapidly progressive pneumonia. therefore, radiological findings are important to diagnose and evaluate disease severity. the clinical characteristics of three new cases of h7n9 virus infection were analyzed, especially the radiological findings, and previous...

background: ncds are the leading disease burdens in china and the ncds risk factors shifts have accelerated at an unprecedented scale over the past 30 years. the aim of this study was to analysis the natural trajectories of ncds risk factors over the life course. methods: the large-scale longitudinal data from the chns includes nine rounds of surveys between 1989 and 2011. overall, 145913 obser...

background: the aim of this study was to assess the association between insulin resistance, metabolic syndrome and nonalcoholic fatty liver disease (nafld) in chinese adults. methods: fifty five subjects with nafld and 55 controls were enrolled for the study. waist circumference, blood pressure, plasma triglyceride, high density lipoprotein cholesterol and fasting plasma glucose concentrations ...

background: angiostrongylus cantonensis is a zoonotic public health concern that causes human severe eosinophilic meningitis in southeast asia and china. as a medically important intermediate host of a. cantonensis , bellamya lithophaga (gastrop-oda: viviparidae) is often confused with other morphologically similar sibling spe-cies of genus bellamya , such as b. aeruginosa and b. purificata in ...

background: toxoplasmosis, a worldwide zoonotic disease, is caused by toxo­plasma gondii . the distribution of genetic diversity of t. gondii in wild animals is of great importance to understand the transmission of the parasite in the environ­ment. however, little is known about t. gondii prevalence in wild animals and birds in china. methods: we conducted the genetic characterization of t. gon...

english is an important language in hong kong, an international city located on the southern coast of the people’s republic of china that, for over 150 years to 1997, was a british colony. this paper describes and analyses changes in teaching methodologies in the english language curriculum formally proposed for hong kong junior secondary schools from 1975 to the present day, to study how the c...

Weiyuan gas field, located in the Sichuan basin of south China, is a large marine gas field with the oldest reservoir (the Sinian sequences) in south China. The hydrocarbon origin of the gas field has long been debated by petroleum geologists. Recently, it was recognized that a paleo-oil pool maybe the significant contributor to the gas field. Consequently, when the paleo-oil pool had been crac...

Artificial neural network is considered one of the most efficient methods in processing huge data sets that can be analyzed computationally to reveal patterns, trends, prediction, forecasting etc. It has a great prospective in engineering as well as in medical applications. The present work employs artificial neural network-based curve fitting techniques in prediction and forecasting of the Cov...

background: this article sets up the initial discussion of the evolution of biopharmaceutical innovation in china through the perspective of sectoral innovation system (sis).methods: two data sources including archival documentary data and field interviews were used in this study. archival documentary data was collected from china food and drug administration (cfda) and chinese national knowled...