英文名称: Histo-Pencil - Dark LeadHISTO-PENCIL, Dark Lead 总访问: 686 国产/进口: 进口 半年访问: 4 产地/品牌: American MasterTech 产品类别: 其他生物试剂 规格: WIHPE 最后更新: 2024-12-5 货号: CAS 号: 参考报价: 询价 立即询价 电话咨询 ...
PROBLEM TO BE SOLVED: To provide a calcined dark-colored pencil lead that is excellent in mechanical strength such as flexural strength while having a vivid coloring property and sufficient intensity of the drawn lines, that can be easily erased with an eraser and that is suited particularly to...
The Unleaded Pencil Here’s a myth buster: There is no lead in pencils. Rather, the core is made up of a non-toxic mineral called graphite. The common name “pencil lead” is due to an historic association with the stylus made of lead in ancient Roman times. If you’re looking for ...
Produces a smooth , crisp line with dark imprint for easy reading These lead refills are made of durable resin, writing smooth and clear, not easy to fade, great for long lasting writing Color:Black Advantage: 1. 0.5mm Mechanical Pencil Lead Refill.Fits All 0.5 Automatic Pencil. ...
将“pencil lead"翻译成中文 笔心, 筆心, 铅笔芯是“pencil lead"到 中文 的最佳翻译。 译文示例:◆ Diamonds are formed from carbon, as is pencil lead, or graphite. ↔ ◆ 钻石的成分是碳,就跟铅笔芯(石墨)一样。 pencil lead noun 语法 The material (usually black or dark gray) which ...
Prototypes of the pencil included metal points, lead and silver pins that were inserted into metal holders. Used from the 12th to the 16th century, metal points produced a dark gray tone. The black chalk pencil, which was made of black clayish shale and produced a soft dull shade of ...
Which grade draws lines with soft edges? You need to know if you're seamlessly shading an area. This video explains. How the grades differ How and why the various grades produce different qualities of line - from the soft dark grades through the central HB to the harder light grades. ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook Dictionary Wikipedia </>embed</> box pencil box pencil case noun Synonyms for pencil case nouna box for holding pencils Synonyms pencil box Related Words ...
Excellent Writing Performance: With a 2B/HB lead hardness, these pencils deliver precise and dark lines, ideal for everyday writing and drawing tasks. Convenient Packaging: The pencils come in a set, making it easy for users like you to store and transport them. Show more Key...
PROBLEM TO BE SOLVED: To provide a calcined dark-colored pencil lead that is excellent in mechanical strength such as flexural strength while having a vivid coloring property and sufficient intensity of the drawn lines, that can be easily erased with an eraser and that is suited particularly to...