Changming Qi

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OBJECTIVE To determine the bacterial microorganisms in the conjunctival sac of clinically normal dogs and dogs with ulcerative keratitis in Beijing, China. The effect of breed, sex and age of dogs and season on the presence or absence of bacteria in the conjunctival sac of clinically normal dogs was evaluated. SAMPLE POPULATION This investigation included(More)
OBJECTIVE To evaluate the changes in concentrations of matrix metalloproteinase (MMP)-2 and MMP-9 in the precorneal tear film of dogs with Pseudomonas aeruginosa-associated keratitis during corneal healing and stromal remodeling. ANIMALS 10 dogs with unilateral P aeruginosa-associated keratitis and 10 clinically normal dogs. PROCEDURES Precorneal tear(More)
OBJECTIVE To investigate the influence of two positions for measuring instrument adapter on the measurement of hand-transmitted vibration in grinding machine using the intraclass correlation coefficient (ICC) of reliability assessment index, and to provide a basis for studies on the measurement standard for hand-transmitted vibration. METHODS With(More)
OBJECTIVE To investigate the features of hand-transmitted vibration of common vibration tools in the workplace for automobile casting and assembly. METHODS From September to October, 2014, measurement and spectral analysis were performed for 16 typical hand tools(including percussion drill, pneumatic wrench, grinding machine, internal grinder, and arc(More)
We investigated the relationship between haplotype and linkage disequilibrium of the PPARγ gene polymorphisms rs3856806, rs12490265, rs1797912, and rs1175543 and metabolic syndrome (MS) in the Kazakh people of Xinjiang Province. For PPARγ, rs3856806, rs12490265, rs1797912, and rs1175543 genotypes were detected in 489 subjects (including 245 MS patients and(More)
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