discomfort, disorientation and postural instability.Although postural stability is critical to workers, especially those working near moving objects or on surfaces where a loss of balance may become life threatening, little attention has been given to the effect of respirators on wearers' postural ...
a我调查报告的范围包含在节日旅游里面 My report of investigation scope contains inside the holiday traveling [translate] aRESPIRATOR. 人工呼吸机。 [translate] a最终的得出评价指标体系。 Final obtains the appraisal target system. [translate] a他告诉我那篇文章只看了一点,近期恐怕评不了,给你们工作带来了...
Is not been easy the work environment limit to ventilate the air change fully the place, the operating personnel must provide and use isolated-types and so on air respirator or hose mask breathes the protection appliance.[translate] a无机非金属材料 Inorganic nonmetallic material[translate] ...
Diminished speech intelligibility associated with certain types of respirators worn by healthcare workers J Occup Environ Hyg, 7 (2009), pp. 63-70 CrossrefGoogle Scholar 12 S Aso, R Kinoshita Absorption of sound wave by fabrics part 2: acoustic impeadance density J Text Mach Soc Japan, 9 ...
General linear model repeated analysis of variance (Wilks' Lambda); Post hoc test: Bonferroni, Friedman test (Monte Carlo); Post hoc test: Dunn's test. VAS = visual analogue scale; Q1 = 25th percentile; Q3 = 75th percentile; SD = standard deviation; FFR = filtering face-piece respirator....
Nanofiber Filter Medium for Reusable Facemask and Filtering Facepiece Respirator Reusable filters for personal protective equipment (PPE) may prevent shortages of PPE and save fabrication time, resources, and money. Disclosed is a metho... Y Zhang,DJ Powers,K Pupek,... 被引量: 0发表: 2022年...
Discover the different types of lacquer and choose the right one for your project. Learn how lacquers behave and avoid finishing mishaps.
It comes in a variety of finishes from glossy to matte. Make sure your space is well-ventilated and that you are wearing a respirator mask when using polyurethane, especially oil-based polyurethane. Using the vacuum and tack cloth, make certain the floor is free of hair and dust. Then, ...
Speaking loudly and high levels of physical activity further increase the concentrations. If all persons wore surgical (hygiene) masks or filtering respirators with a higher protection factor, the expected concentrations were low in most situations, even if the viruses were released by "super-...
4. Boškoski I, Gallo C, Wallace MB, Costamagna G, COVID-19 pandemic and personal protective equipment shortage: Protective efficacy comparing masks and scientific methods for respirator reuse: Gastrointest Endosc, 2020; 92; 519-23 5. Actis AG, Brogliatti B, Personal protective equipment in ...