H Li,Q Chen,S Li et al.
H Li et al.
The semen status of male workers occupationally exposed to hexavalent chromium(VI) was investigated. Sperm counts from exposed workers were 47.05+/-2.13 x 10(6)/ml and those from control group 88.96+/-3.40 x 10(6)/ml. Sperm motility decreas...
G Benke,M Sim,M Abramson
G Benke
Recognition errors in the quantification of micro-organisms by fluorescence microscopy [0.03%]
荧光显微镜下微生物定量中的识别错误问题
W Eduard,G Blomquist,B Herbert Nielsen et al.
W Eduard et al.
Objectives: An interlaboratory comparison of fluorescence microscopic counting of micro-organisms was carried out to assess counting errors in the measurement of micro-organisms in bioaerosols generated during handling of...
Comparative Study
The Annals of occupational hygiene. 2001 Aug;45(6):493-8. DOI: 2001
Associations between hand-wrist musculoskeletal and sensorineural complaints and biomechanical and vibration work constraints [0.03%]
手腕肌肉骨骼和感觉神经症状与生物力学及振动作业限制的关系
J Malchaire,A Piette,N Cock
J Malchaire
A 3-year prospective epidemiological study was conducted to investigate the relationship between musculoskeletal complaints (MS) and sensorineural complaints (SN) of the workers in the hand-wrist region. A group of 69 workers (G1) using vib...
Asbestos lung fibre concentrations in South African chrysotile mine workers [0.03%]
南非蛇纹石矿工中的石棉肺纤维浓度
D Rees,J I Phillips,E Garton et al.
D Rees et al.
Mesothelioma has not been found in South African chrysotile miners and millers despite decades of producing about 100000 tons of the mineral per year. One possible explanation for the scarcity or absence of the cancer may be a relative lack...
Stratification of welding fumes and grinding particles in a large factory hall equipped with displacement ventilation [0.03%]
具有置换通风的大车间内焊接烟尘和打磨颗粒的分层现象研究
R Niemelä,H Koskela,K Engström
R Niemelä
The purpose of the study was to investigate the performance of displacement ventilation in a large factory hall where large components of stainless steel for paper, pulp and chemical industries were manufactured. The performance of displace...
Exposure assessment to airborne endotoxin, dust, ammonia, hydrogen sulfide and carbon dioxide in open style swine houses [0.03%]
开放式猪舍中空气内毒素、灰尘、氨气、硫化氢和二氧化碳暴露评估
C W Chang,H Chung,C F Huang et al.
C W Chang et al.
Information is limited for the exposure levels of airborne hazardous substances in swine feed buildings that are not completely enclosed. Open-style breeding, growing and finishing swine houses in six farms in subtropical Taiwan were studie...
Multicenter Study
The Annals of occupational hygiene. 2001 Aug;45(6):457-65. DOI: 2001
A proposal for harmonising laboratory performance assessment criteria in national asbestos fibre counting schemes [0.03%]
关于调和国家石棉纤维计数方案中实验室性能评估标准的提议
M C Arroyo,J M Rojo
M C Arroyo
Four European national asbestos fibre counting proficiency testing schemes have been studied in order to compare their criteria for the assessment of laboratory performance. Performance assessment is based on each laboratory's results after...
Predicting evaporation rates and times for spills of chemical mixtures [0.03%]
化学品混合物溢漏的蒸发速率和时间预测模型研究进展及挑战
R L Smith
R L Smith
Spreadsheet and short-cut methods have been developed for predicting evaporation rates and evaporation times for spills and constrained baths of chemical mixtures. Steady-state and time-varying predictions of evaporation rates can be made f...