uv造句
(1) Children should have glasses which filter out UV rays.
(2) You'll need sunglasses that will cut out harmful UV rays from the sun.
(3) The ozone layer filters harmful UV rays from the sun.
(4) Visible light has a longer wavelength than UV radiation.
(5) To ward off the UV rays, wear a hat and bring sunscreen.
(6) A powerful UV/Vis monochromator based detector allows wavelength selection by the turn of a dial and allows very low detection limits.
(7) The ionization is produced by solar uv radiation and by energetic ions and electrons from the magnetosphere.
(8) Water can be lost through dissociation by solar uv radiation and the subsequent loss of hydrogen to space from the exosphere.
(9) The range comprises the 759A UV/Vis detector, the 785A for trace analysis and the 1000S photodiode array detector.
(10) A variety of UV lamp radiation efficiency.
(11) UV Stabilized Acetal Homopolymer, Black, Medium Viscosity.
(12) Sunlight contains UV rays, which have a very short wavelength. They represent the blue area of the colour spectrum.
(13) The UV absorber, 2-hydroxy-4-acryloyloxybenzophenone (2H4ABP), was prepared via the reaction of 2.4-dihydoxybenzophenone (UV-0) and acryloyl chloride.
(14) Triggered with exposure to oxygen, heat and UV light, oxo- biodegradability is said to ensure long shelf life before the degradation commences.
(15) UV absorber BAD is prepared with phenol, acetone, and salicylic acid as primary materials. The proper binding about acid agents and the annealed solvent are selected.
(16) Some creams we tested failed to give adequate protection against UV light.
(17) The monitor picks up the amount of ultraviolet or UV rays coming from the sun.
(18) If, for any reason, the stratospheric Ozone Layer becomes thin, its effectiveness as a barrier to UV rays decreases.
(19) An intact Ozone Layer prevents about 99% of the sun's UV rays from reaching the Earth.
(20) Alternatively, it could be heated by energetic ions and electrons from the magnetosphere or by some unknown uv absorber.
(21) All sunscreens work because they contain ingredients which either absorb or reflect UV rays before they harm and damage the skin.
(22) The dark markings correspond to regions in the clouds which scatter less solar uv radiation than elsewhere.
(23) Not all melanomas can be prevented, but limiting exposure to strong sunlight and other sources of UV light like tanning beds can significantly reduce the risk of getting this very deadly cancer.
(24) The paper introduced the techniques of pilot-scale production and effects of purification of Meretrix meretrix, Ruditapes philippinarum and Sinonovacula constricta in UV disinfected seawater.
(25) The wastewater from carbendazim production has been analyzed by chromatography, mass spectrography, infrared and UV spectrometry.
(26) Novel methods for the carbonylation are introduced of olefins , halides, paraffins, and arenes under ambient conditions and UV irradiation catalyzed by transition metal complexes.
(27) Two new complexes of L-lysine, L-threonine and Arsenic triiodide were synthesized by the solid phase reaction and characterized by elemental analysis, XRD, UV spectra and IR spectra.
(28) Actually, commercial sunscreens work in much the same way, converting UV radiation into heat.
(29) Objective:To investigate the feasibility of fast assay of vitamin C (VC) in body fluids by iodometry with UV absorbance detection.
(30) Main production screen printing equipment, semi - automatic , copy, the plate, IR drying Road, UV, and other equipment.
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