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麻涤单纱织物设计与试制  [PDF]
纺织学报 , 1982,
Abstract: <正>一、麻涤60公支单纱织物设计芋麻织物的挺括、滑爽、吸湿放湿快等特点,使织物易洗快干、出汗易被吸收,散湿能力高,富有凉爽感。苧麻纤维有润湿时强力增大的特性,能在不断洗涤条件下保持最好强力,因此麻涤单纱产品特别适宜做经
Assessment of irritant quality of detergents
Singh Sanjay,Pandey S,Singh Gurmohan
Indian Journal of Dermatology, Venereology and Leprology , 1991,
Abstract: Irritant quality of six commonly used detergents was tested ′by Kligman and Wooding′s technique. The detergents in increasing order of irritant quality were Surf, Sunlight, Nirma, Ekta, Fena and Wheel.
毛涤西服面料的自清洁性能  [PDF]
孟金凤,孟家光,张琳玫,丁玲玲
纺织学报 , 2015,
Abstract: 西服面料经过多次洗涤,不仅造成了能源的消耗,还对织物的服用性能造成影响。为了最大程度地保证织物外观风格,本试验研究了二氧化钛的光催化自清洁特性。采用单因素分析和正交实验,对复合纳米粉体进行有效分散,开发研制出一种复合纳米自清洁整理剂。毛涤混纺西服面料作为主要研究对象。结果表明,经过纳米自清洁整理剂整理过的毛涤西服面料具备良好的光催化自清洁性能。相对织物用量为10%的毛涤西服面料表现出最好的自清洁效果,在60h内油渍被大量分解。此整理剂在重复性测试以及耐洗牢度测试中均表现出很好的自清洁效果。
洗?器  [PDF]
王?金
地质与勘探 , 1957,
Abstract: “洗?器”是我矿?真麓同志提出的一?清洗?岩机的合理化建?。使用这种方法清洗?岩机时,不需拆卸?岩机,其效率由过去50分?洗一台提高到5分?洗一台,?且洗过的?岩机?部可充?均匀的?滑油,油料的消耗也不多,一般清洗一台?岩机只需柴油0.15公斤,?滑油0.075公斤。
洗????滴??  [PDF]
张奎文
地质与勘探 , 1957,
Abstract: 绘图用的磅纸成本很高,每公尺单价约与每公尺花大昵(棉布)的单价相等,且此种磅纸国产不多,以前使用的大部是进口商品,常常采买不到,所以对此种磅纸的节约是特别有意义的。由于不小心弄脏之磅纸及画错或使用完了之图纸(背面),都可以用水将他洗?,再加以使用。洗?方法简单迅速,兹介绍如下:把图纸阴湿平铺在清洁之图板上,要洗之面向上,用刷铅油用的猪鬃扁刷浸水沾以肥皂,在纸面上轻轻涂沫,待肥皂涂匀纸面之后,再用刷往返刷洗(刷的时间不能过久,否则将把图纸刷
Powder detergents production plant
Stankovi? Mirjana S.,Pezo Lato L.
Hemijska Industrija , 2003, DOI: 10.2298/hemind0302079s
Abstract: The IGPC Engineering Department designed basic projects for powder detergent production plant, using technology developed in the IGPC laboratories, in 1998. - 2000. Several projects were completed: technological, machine, electrical, automation. On the basis of these projects, a production plant with a capacity of 25,000 t/y was manufactured, at "Delta In", Zrenjanin, in 2000.This technology was an innovation, because new approach in mixing a powder materials was used, as well as introducing a new type of dryer in detergent production. The product meets all quality demands for detergents with high specific weight (1000 g/l), as well as environmental regulations. The detergent production process is fully automatized, and the product has uniform quality. There is no waste material in detergent zeolite production, because all products with unsatisfactory quality are returned to the process. The production process can be controlled manually, which is necessary during start-up, and repairs.
Investigation of Toxicity of Detergents  [PDF]
T. Yahaya,J. Okpuzor,E.O. Oladele
Journal of Environmental Science and Technology , 2011,
Abstract: The general health problems of detergents with emphasis on the weight, hematology and histopathology were investigated by ingesting 20 mice (about 30 days old) with detergent solutions. The mice were grouped into five sets, comprising of five mice each. The control group (group 1) was given ordinary water while groups 2-5 were given 25, 50, 75 and 100% v/v of the detergent solutions, respectively as the only sources of water. The mice had access to feed (F.A Feeds, Lagos) ad libitum in suspended, meshed-bottom cages for about 4 weeks. The Relative Growth Rate (RGR) in percentage of the control mice was 7.1 while the RGR of the mice exposed to 25, 50, 75 and 100% v/v of the detergent solutions were -33.2, -43.9, -52.5 and -59.3, respectively. A significant difference (p<0.05) exists between the mean weight of the control mice and the mean weights of the mice placed on the different concentrations of the detergent. The hematology analysis of the exposed mice showed marked reduction in the packed cell volume, hemoglobin, white blood cells, red blood cells and total protein. Furthermore, the blood of the exposed mice had dose-dependent hypochromasia, macrocytosis, microcytosis, eosinophilia and arisocytosis. A significant difference (p<0.05) also exists between the mean blood parameters of the control mice and the mean blood parameters of the mice exposed to the various concentrations of the detergent. The internal organs (heart, kidney, liver and reproductive organs) of the exposed mice showed marked histological changes compared to the control mice and the extent of the injuries increased with the concentrations of the detergent solutions. The results of the research highlight health hazards of detergent exposure and underscore the needs for proper handling and disposal of detergents.
Vaginal microbicides: detecting toxicities in vivo that paradoxically increase pathogen transmission
Richard A Cone, Timothy Hoen, XiXi Wong, Raed Abusuwwa, Deborah J Anderson, Thomas R Moench
BMC Infectious Diseases , 2006, DOI: 10.1186/1471-2334-6-90
Abstract: Susceptibility was evaluated in progestin-treated mice by delivering a low-dose viral inoculum (0.1 ID50) at various times after delivering the candidate microbicide to detect whether the candidate increased the fraction of mice infected. Ten agents were tested – five detergents: nonionic (N9), cationic (benzalkonium chloride, BZK), anionic (sodium dodecylsulfate, SDS), the pair of detergents in C31G (C14AO and C16B); one surface active agent (chlorhexidine); two non-detergents (BufferGel?, and sulfonated polystyrene, SPS); and HEC placebo gel (hydroxyethylcellulose). Toxic effects were evaluated by histology, uptake of a 'dead cell' dye, colposcopy, enumeration of vaginal macrophages, and measurement of inflammatory cytokines.A single dose of N9 protected against HSV-2 for a few minutes but then rapidly increased susceptibility, which reached maximum at 12 hours. When applied at the minimal concentration needed for brief partial protection, all five detergents caused a subsequent increase in susceptibility at 12 hours of ~20–30-fold. Surprisingly, colposcopy failed to detect visible signs of the N9 toxic effect that increased susceptibility at 12 hours. Toxic effects that occurred contemporaneously with increased susceptibility were rapid exfoliation and re-growth of epithelial cell layers, entry of macrophages into the vaginal lumen, and release of one or more inflammatory cytokines (Il-1β, KC, MIP 1α, RANTES). The non-detergent microbicides and HEC placebo caused no significant increase in susceptibility or toxic effects.This mouse HSV-2 model provides a sensitive method to detect microbicide-induced toxicities that increase susceptibility to infection. In this model, there was no concentration at which detergents provided protection without significantly increasing susceptibility.The healthy, intact vaginal epithelium provides a significant barrier against infection: To transmit infection reliably, 10,000 times more SIV must be delivered to the macaque vagina th
Biodegradation of synthetic detergents in wastewater
OA Ojo, BA Oso
African Journal of Biotechnology , 2009,
Abstract: A total of 76 wastewater samples were randomly collected from pharmaceutical, textile, and detergentmanufacturing industries as well as the Agbara Sewage Treatment Plant (STP). Thirty-eight samples each in 2-L plastic containers were collected for morning and evening effluent used for this study. Composite samples were later developed and the physico-chemical properties of these samples determined. The physico-chemical properties of the composite wastewater influenced the selected microbial population adapted to utilization of detergent components. The optimum temperature range of the composite wastewater was 33.9 – 34.3oC while the mean optimum pH ranged from 6.9 – 8.8 for the laboratory simulated biodegradation of test detergents. Although, the fungal consortium was eliminated as the medium approached the alkaline pH, this is as a result of the metabolites produced. The macroelements, the BOD and the hydrocarbon concentration of the composite effluent were above the EU and FEPA limits for discharged effluent. The composite effluent was thereafter spiked with test detergents (Elephant, Omo, Klin, Ariel Persil, Teepol, and SDS) at 0.01% (w/v) and its progressive degradation monitored for 30 days. The microbial detergent-degraders population changed between Day 0 and 15, thereafter it stabilized. The heterotrophic bacterial count from the seventy-six randomly collected effluent samples was 42.9 x 106 cfu/ml, while the mean bacterial detergent-degrader population was 20.94 x 106 cfu/ml. The mean fungal population from the randomly collected effluent sample was 4.5 x 106 cfu/ml. The bacterial detergent-degraders characterized and identified include Pseudomonas aeruginosa, Escherichia coli, Enterococcus majodoratus, Klebsiella liquefasciens, Enterobacter liquefasciens, Klebsiella aerogenes, Enterobacter agglomerans, Staphylococcus albus, Proteus sp., Klebsiella oxytoca and Brevibacterium sp., while the fungal detergent-degrader included; Myceliophthora thermophila, Geomyces sp., Alternaria alternata, Fusarium sp., Aspergillus flavus and Asperigillus oryzae. The primary biodegradability of synthetic detergent was confirmed by the Methylene Blue–Active Substance (MBAS) method. Gas chromatography (GC) provided the convincing evidence of synthetic detergent mineralization within the 30 day period in a sewage treatment plant. The detection of unusual peaks in the GC profiles provided the scientific evidence of inclusion of certain hydrocarbons in detergent formulation outside that of industry specifications. The unusual peaks are attributable to inclusion of certain chemical optical brighteners (C17–C24). Linear alkyl benzene sulphonates (LAS) which is the principal synthetic detergent component are thus biodegradable and its use in detergent formulation is environment - friendly.
论小槽洗毛  [PDF]
纺织学报 , 1987,
Abstract: 本文从小槽洗毛作用,结合国毛的特点在工艺和洗毛系统方面提出一些看法,供小槽洗毛系统设计时参考。
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