- half bleaching
- 半漂白
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
half stuff — noun or half stock : paper pulp; especially : paper pulp from rags partly processed (as by washing, bleaching, and draining) and ready for the beater … Useful english dictionary
Tooth bleaching — Intervention Teeth Whitening Kits for Home Use MeSH … Wikipedia
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… … Universalium
textile — /teks tuyl, til/, n. 1. any cloth or goods produced by weaving, knitting, or felting. 2. a material, as a fiber or yarn, used in or suitable for weaving: Glass can be used as a textile. adj. 3. woven or capable of being woven: textile fabrics. 4 … Universalium
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper. paʹper·mak er n. * * * Introduction formation of a matted or felted sheet, usually of cellulose fibres,… … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Glasgow — GLASGOW, a city, the seat of a university, and a sea port, having separate jurisdiction, locally in the Lower ward of the county of Lanark, and situated in longitude 4° 15 51 (W.), and latitude 55° 52 10 (N.), 23 miles (E. by S.) from Greenock … A Topographical dictionary of Scotland
Southeast Asian coral reefs — have the highest :) levels of biodiversity for the world s marine ecosystems. They serve many functions, such as forming the of livelihood for subsistence fishermen and even function as jewellery and construction materials. However, those… … Wikipedia