QST is an ARRL published magazine for amateur radio enthusiasts. W1AW publishes a monthly magazine, for members of the American Radio Relay League. The magazine, dating back into the early 1900s includes projects for the radio amateur enthusiast, pictures, text (interesting articles) and much more. The ARRL Logo. ...
QST Industries, Inc. offers a wide range of fabrics, both domestic and imported, developed to deliver stability to men's and women's sportswear, outerwear and tailored clothing.
Interlinings and interfacings are stocked in depth in all QST regional and international warehouses.
QST technical personnel are available to assist customers in the selection of the proper interlining for specific production and design requirements.
Bacillus subtilis strain QST 713 as an active ingredient is a biological control agent for use on several minor crops to treat a variety of plant diseases and fungal pathogens including gray mold, powdery mildew, early and late blight, bacterial spot, and walnut blight.
Further, although it is not known whether strain QST 713 does, the species is known to produce the enzyme subtilisin which has been reported to produce allergenic or hypersensitivity reactions to individuals repeatedly exposed to the enzyme in industrial settings.
QST Technical was shown to cause mortality to parasitic Hymenoptera.
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