Yahoo奇摩 網頁搜尋

  1. 蜂膠 相關

    廣告

搜尋結果

  1. Locust bean gum occurs as a white to yellow-white powder. It consists chiefly of high- molecular-weight hydrocolloidal polysaccharides, composed of galactose and mannose units combined through glycosidic linkages, which may be described chemically as galactomannan. It is dispersible in either hot or cold water, forming a sol having a pH between 5.4 and 7.0, which may be converted to a gel by ...

  2. en.wikipedia.org › wiki › BumblebeeBumblebee - Wikipedia

    A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus Bombus, part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related genera (e.g., Calyptapis) are known from fossils. They are found primarily in higher altitudes or latitudes in the ...

  3. en.wikipedia.org › wiki › Fig_waspFig wasp - Wikipedia

    Fig wasps are wasps of the superfamily Chalcidoidea which spend their larval stage inside figs. Some are pollinators but others simply feed off the plant. The non-pollinators belong to several groups within the superfamily Chalcidoidea, while the pollinators are in the family Agaonidae.

  4. Polypropylene ( PP ), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene . Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar.

  5. Carpenter bee. Carpenter bees are species in the genus Xylocopa of the subfamily Xylocopinae. The genus includes some 500 bees in 31 subgenera. [1] The common name "carpenter bee" derives from their nesting behavior; nearly all species burrow into hard plant material such as dead wood or bamboo.

  6. en.wikipedia.org › wiki › HummingbirdHummingbird - Wikipedia

    Hummingbird. For other uses, see Hummingbird (disambiguation). Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With approximately 366 species and 113 genera, [1] they occur from Alaska to Tierra del Fuego, but most species are found in Central and South America. [2]

  7. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Braille characters. The Braille pattern dots-13456 ( ⠽ ) is a 6-dot braille cell with both top, the middle right, and both bottom dots raised, or an 8-dot braille cell with both top, the upper-middle right, and both lower-middle dots raised.

  1. 其他人也搜尋了