Stinging

R. A. Murgatroyd, G.M. Worrall, und S. Crutzen Lessons leamt from the RISC 111 study of the influence of human factors on inspection reliability. 6 European Conference on Nondestructive Te.sting, Nice. 1994, Vol. 2, p 989-993... 

Edited and translated by Li Kerning, Foreign Nonde.structive Te.sting, 1985, 5(2) (total 2215) 5-9. 

The adjacency matrix of a molecule con.si.sting of n atom.s i.s a square (n / n) matrix. with the entric.s giving all the connectivities of the atoms. The intersection of a row and a column obtains a value of 1 if the corresponding atoms are connected. If there is no bond between the atoms being considered, the position in the matrix obtains the value 0. Thus, this matrix representation is a Boolean matrix with bits (0 or I) (Figure 2-13). 

Bromine liquid - a very nasty red liquid with a heavy vapour that shoots out of the bottle as soon as you open it, that will make your skin and eyes sting like you ve never known. 

Amphoteric Detergents. These surfactants, also known as ampholytics, have both cationic and anionic charged groups ki thek composition. The cationic groups are usually amino or quaternary forms while the anionic sites consist of carboxylates, sulfates, or sulfonates. Amphoterics have compatibihty with anionics, nonionics, and cationics. The pH of the surfactant solution determines the charge exhibited by the amphoteric under alkaline conditions it behaves anionically while ki an acidic condition it has a cationic behavior. Most amphoterics are derivatives of imidazoline or betaine. Sodium lauroamphoacetate [68647-44-9] has been recommended for use ki non-eye stinging shampoos (12). Combkiations of amphoterics with cationics have provided the basis for conditioning shampoos (13). 

Baby Shampoos. These shampoos, specifically marketed for small children, feature a non-eye stinging quaHty. The majority of the products in this category are based on an amphoteric detergent system a system combining the use of an imidazoline amphoteric with an ethoxylated nonionic surfactant has been successfiiUy marketed (15,16). The sulfosuccinates also have been suggested for baby shampoo preparation because of thek mildness... 

Other food lures which have had practical use ia trapping insect pests include isoamyl saUcylate [87-20-7] for moths of the tomato and tobacco homworms, Manduca spp. heptyl butyrate [5870-93-0] for stinging yeUowjackets, Vespula spp. and l-octene-3-ol [3391-86-4] for the bloodsucking tsetse dies, Glossina spp. 

The toxicity of 2,4-pentanedione is shown in Tables 3 and 11 to be similar to mesityl oxide, and greater than most other 1,2- or 1,4-diketones or monoketones. Inhalation of low levels of 2,4-pentanedione can cause nausea, eye contact can induce stinging, and recurrent exposure to high concentrations (300—400 ppm) can adversely affect the central nervous system and immune system (325). 

Traditional co.sting procedure (TCP). This accounting procedure only takes into account capital and operating (including environmental) costs. 

Comprehensive co.sting procedure (CCP). The economic procedure includes not only the traditional capital and operating costs but... 

Life-cycle co.sting (LCC). This type of analysis requires that all the traditional costs of project or product system, from raw-material acquisition to end-result product di osal, be considered. 

DoU9las E. Lowenhaupt, M.S., Group Leader, Coke Laboratory, CONSOL, Inc. Member, American Society for Te.sting and Materials, Iron and Steel Making Society, International Committee for Coal Petrology. (Solid Fuels)... 

John D. Bacha, Ph.D., Consulting Scientist, Chevron Products Company Member, ASTM (American Society for Te.sting and Materials), Committee D02 on Petroleum Products and Lubricants American Chemical Society International Association for Stability and Handling of Liquid Fuels, Steering Committee. (Liquid Petroleum Fuels)... 

To contain the proximity effect, in the metallic structures existing in the vicinity, it is essential that the IPB enclosures be at least 300 mm from tdl structures exi,sting parallel and 1.30 mm existing across the enclosures. A distance of 300 mm is sufficient to contain the proximity effect in view of the substantially reduced magnetic field in the space. 

Bites and stings from spiders, insects, snakes, and other wildlife... 

Infections from contact with or exposure to bloodborne pathogens or other biological agents in contaminated soil, waste, dust, bird and animal droppings or transmitted by insect bites or stings... 

Repeated 6-hour exposures can result in stinging eyes, and facial skin and nasal irritation... 

Although the honey bee s sting is unpleasant, this tiny creature is crucial to the world s agricultural economy. Honey bees produce more than jjilOO million worth of honey each year, and, more importantly, the pollination of numerous plants by honey bees is responsible for the production of i20 billion worth of crops in the United States alone. 

Light-harve.sting pigment (antenna molecnle.s)... 

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