OBJECTIVE: To observe the trend in the change of incidence and mortality of female breast
cancer in Tianjin and evaluate its effect of prevention. METHODS: Method of descriptive …

Objective To analyze the trend of the incidence of prostate cancer in urban Tianjin area
between 1981 and 2004 so as to provide scientific rationales for the prevention and control of …

Objective To observe trends in the changes of incidence and mortality of female breast
cancer patients in Tianjin, and evaluate the effect of these trends on prevention. Methods A …

In this study, the mixing efficiency of a passive contraction-expansion helical mixer, which
combines several features, such as helical pipes for induction of secondary flows and sudden …

Verification of the cases of lung cancer, from Tianjin Cancer Registration System in 1981 –
1987, was conducted. It was suggested that lung cancer incidence and mortality had …

A northwest-dipping subduction zone was located at the southeastern flank of the Jiangnan
island arc during the middle to late Proterozoic. The collision of the Northwest Fujian …

Objective: To develop an uncertainty evaluation method of vanillin in milk powder by gas
chromatography-mass spectrometry (GC-MS). Methods: The mathematical model of uncertainty …

Objective To evaluate the uncertainty in determination of urotropine in Tofu skin by liquid
chromatography-mass spectrometry (LC-MS). Method According to JJF 1059.12-2012 …

Abstract: A helical mixer with contraction-expansion connections combines helical pipes
and sudden expansion and contraction array, which was optimally designed in this paper for …

Objective To analyze the incidence rate and trend of thyroid cancer in Tianjin over a recent
20-year period. Methods A method of descriptive epidemiology was used to study the …