A model (with "artistic license") of the steroid cholesterol, the basis of steroid hormones. Blue-grey is carbon, white is hydrogen, red is oxygen. Drawn in Inkscape. 胆固醇 化学 生物学 胆固醇
None 公司业务 三季度长度 建筑的结构 Businessman and a businesswoman sitting in a cafe and talking on cordless phones
head box drawing people hans fashion foot body real art juergen plastic bust patten sclupture torso basement saturay structure luntzer Bust Art clip art 泡沫破灭 头框绘图人汉斯 · 时尚脚身体真正艺术 (juergen stark) 塑料脑力彭定康雕塑躯干地下室 Saturay 结构 Luntzer
A ball-and-stick model structure of non-polar, hydrophobic amino acid isoleucine (Ile, I). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 异亮氨酸 (氨基酸)
A ball-and-stick model structure of non-polar, hydrophobic amino acid valine (Val, V). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 缬氨酸 (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. 氨基酸 氨基 酸 天冬酰胺 (氨基酸)
A ball-and-stick model structure of polar amino acid threonine (Thr, T). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 苏氨酸 (氨基酸)
A ball-and-stick model structure of basic (positively-charged) amino acid histidine (His, H). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 组氨酸 (氨基酸)
A ball-and-stick model structure of non-polar, hydrophobic amino acid tryptophan (Trp, W). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 色氨酸 (氨基酸)
A ball-and-stick model structure of polar, hydrophobic amino acid tyrosine (Tyr, Y). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 酪氨酸 (氨基酸)
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. 氨基酸 氨基 酸 谷氨酸 (氨基酸)
A ball-and-stick model structure of non-polar amino acid proline (Pro, P). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 脯氨酸 (氨基酸)
The structure (abbreviated) of the polysaccharide cellulose, a major structural component of plant cell walls, wood. It is just an unbranched polymer of beta-glucose. Only a small fragment of the potentially infinite polymer is shown. Drawn in Inkscape. 纤维素 多糖 糖 纤维素
The structure a triacyglicerol, a.k.a fat. This fat molecule possesses three identical, saturated fatty acid (palmitic acid) units, linked to a glycerol molecule. Drawn in Inkscape. 脂肪 甘油三酯 甘油三酯 脂肪分子
Cool vintage nature vector art graphics and illustrations set for free download. Free retro forest stock vector graphics for your illustrations, website design and presentations. Professional stock art design resources, free download and usage. Illustrator AI and EPS files, easy to adapt and edit. 秋季 元素 森林 怀旧性质矢量艺术
The general structure of amino acids, the protein building blocks. Drawn in Inkscape. 氨基酸 氨基 酸 氨基酸 (一般)
A ball-and-stick model structure of non-polar, hydrophobic amino acid leucine (Leu, L). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 亮氨酸 (氨基酸)
A ball-and-stick model structure of polar amino acid cysteine (Cys, C). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver, sulfur in yellow. Drawn in Inkscape. 氨基酸 氨基 酸 半胱氨酸 (氨基酸)
A ball-and-stick model structure of acidic (negatively-charged) amino acid aspartic acid (Asp, D). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 天门冬氨酸 (氨基酸)
A ball-and-stick model structure of basic (positively-charged) amino acid arginine (Arg, R). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. 氨基酸 氨基 酸 精氨酸 (氨基酸)
These are images from my 2010 travels I've converted with this command: for i in *.jpg; do convert "$i" "`basename "$i" .jpg`.png" && autotrace -despeckle-level 15 -color-count 6 -input-format PNG -output-file "`basename "$i" .jpg`".svg -output-format svg "`basename "$i" .jpg`.png"; done 照片 区域 捐赠 中国结构
Grunge vector backgrounds are very popular and grunge textures play an important role in many graphics. This grunge vector structure is a great design element to use as background for your illustrations, posters, blog or web graphics. Download grunge background in Illustrator vector art format. 背景 backgrounds 那些 免费的那些结构