行星冥王星位图跟踪。这是从哈勃望远镜冥王星的 270 度视图。Gimp 用于重新缩放和清除图像。使用的 1 它模糊了。可在 http://upload.wikimedia.org/wikipedia/commons/0/0b/Pluto-map-hs-2010-06-a-faces.jpg 找到原始的公有领域图像 布鲁托 降级 逆行 从哈勃望远镜冥王星 270 度脸
行星冥王星位图跟踪。这是由哈勃望远镜拍摄的 90 度的脸。Gimp 用于清理、 重新缩放和减少颜色。可在 http://upload.wikimedia.org/wikipedia/commons/0/0b/Pluto-map-hs-2010-06-a-faces.jpg 找到原始的公有领域图像 布鲁托 降级 逆行 从哈勃望远镜冥王星 90 度脸
REMIX of Yellow Abstract Sun by IslandVibz http://openclipart.org/detail/202318/yellow-abstract-sun-by-IslandVibz-202318. Completely reworked by hand with a file size 1% of the original. SVG code can be inserted into an SVG image then rotated, scaled, and positioned where desired. Handcoded SVG for simplicity 太阳 抽象 混搭 Abstract Sun Remix
Science and education vector footage of chemistry equipment. Images of books with blank covers in different colors and a silver flask with bubbling liquid inside. Free vector graphics for your science, chemistry, education, laboratories, experiments, research, school and knowledge visuals 玻璃 泡沫 科学 化学书布局
Experiments and science vector graphics of a chemical flask. Tall glass vessel with narrow neck and trapezoid body, bubbling liquid inside and round bubbles around the flask. Free vector graphics for chemistry, chemical reactions, experiments, laboratory equipment and research visuals 玻璃 泡沫 实验室 化学反应
Science and research vector footage of chemistry equipment. Images of transparent glass vessels with different shapes, brightly colored liquids inside, flask on a tall metal stand, retort for distillation and a molecule model. Free vectors for your chemistry, experiments and reactions visuals 科学 液体 设备 化学图形集
Planet Pluto Bitmap Trace. This is the 90 degree face as taken by the Hubble Telescope. The Gimp was used to clean up, to rescale and reduce colours. The original public domain images can be found at http://upload.wikimedia.org/wikipedia/commons/0/0b/Pluto-map-hs-2010-06-a-faces.jpg 外 天文学 天文学 哈勃望远镜拍摄的冥王星 90 度脸
An experimental apparatus to measure the diffusion or permeability of a compound through a membrane using a refractive index sensor 仪器 传播 工程 扩散和渗透率测量仪器-折射率
A platinum/ruthenium catalyst supported on carbon. Often used in direct methanol fuel cells to oxidize methanol 催化剂 dmfc 直接 PtRu 催化剂在碳上受支持
A ball-and-stick model structure of acidic (negatively-charged) amino acid glutamic acid (Glu, E). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape 酸 酸性 氨基 谷氨酸 (氨基酸)
A ball-and-stick model structure of polar amino acid asparagine (Asn, N). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape 酸 氨基 氨基酸 天冬酰胺 (氨基酸)
Beautiful water drops vector background. Free abstract water drops wallpaper and clear drops of liquid screensaver download for your computer desktop & mobile screens. Auto trace vector wallpaper with clear rain droplets, water surface and liquid texture 拖放 抽象 背景 液滴背景
Original vector background with a brown, red and yellow gradient decorated with stars, light particles and glowing circles. Creative Illustrator graphics that make you think of a celebration, magic and energy. Download free for your greeting cards, posters, desktop wallpapers and postcards 红色 抽象 爆炸 光闪烁背景
A direct methanol alkaline fuel cell using the classic KOH electrolyte 空气 碱性 dmafc 直接甲醇碱性燃料电池颜色-KOH 电解液
String Art Symbol reused and rotated. Step-by-step instructions on creating string art symbols in eBook, STEAM Coded String Art. More at http://steamcoded.org 艺术线条 stringart 字符串 弦乐艺术符号 60 度
Detailed realistic style illustration of a Galaxy Note 2 IPhone and a metallic grip touch pen manufactured by Samsung in front angle view. Enjoy 现实 iphone 三星 三星银河备注 2 & 触摸笔
Added Clock and Script to the Abstract Sun. Numbers and tick marks can easily be hidden in the SVG code to style the clock. SVG code can be inserted into an SVG image then rotated, scaled, and positioned where desired. Handcoded SVG for simplicity 太阳 抽象 scripted Scripted Abstract Sun Clock
Science vector footage of a flask. Transparent glass vessel, rounded bottom part, long neck, brightly colored bubbling liquid inside the flask and clouds of smoke coming out of the top. Free vector for your science, chemistry and experiments visuals. Graphics for posters and ads. Flask Graphics by Acolagui 玻璃 云 科学 Chemical Reaction Graphics
Planet Neptune Bitmap Trace. The Gimp was used to scale, reduce colours. Original Public Domain file can be found at http://upload.wikimedia.org/wikipedia/commons/0/06/Neptune.jpg 海王星 海王星 外 海王星
An electrochromic window assembly in the bleached state. Both the tungsten oxide (WO3) and nickel oxide (NiO) are transparent electrochromic 工程 光 电致变色窗-漂白
Technology vector illustrations of circuit board designs. Variety of lines and geometric shapes forming the images of electronics. Simplified illustration style suitable for logos, labels and posters. Circuit illustrations for all tech, hardware, computing, computers, electronics and gadgets designs 科技 技术 计算机 Circuits
Science and research vector footage of chemistry equipment. Images of transparent glass vessels with different shapes, brightly colored liquids inside, flask on a tall metal stand, retort for distillation and a molecule model. Free vectors for your chemistry, experiments and reactions visuals 科学 液体 设备 Chemistry Graphics Set