Due to the low surface hardness,transparent plastic is easy to be scratched in use, which makes the loss of operation life and limits extended application.
在塑料表面涂敷硬质保护性薄膜是一种简单有效的提高塑料耐划伤性能的方法,在三类硬质薄膜(有机、无机、有机/无机复合)中,有机/无机复合硬质薄膜材料能够兼具有机薄膜对塑料基板良好的粘结性及无机薄膜的高硬度及耐划伤性而成为塑料表面硬质薄膜的发展方向。
a hard natural coal that burns slowly and gives intense heat.
一种硬质的天然煤，燃烧缓慢，热度强。
Ebonite--Determination of hardness by means of a durometer
GB/T1698-1982硬质橡胶硬度的测定
Microstructure and Superhardness Effect of the Hard Nano-multilayer Films;
硬质纳米多层膜的微结构与超硬效应
carbide-tipped slip
硬质合金牙尖的卡瓦
a lump of hard consolidated mineral matter.
一块硬的固体矿物质。
A hard rubber produced by vulcanization.
硬质橡胶的由硫化作用制成的硬质橡胶
The relative resistance of a mineral to scratching, as measured by the Mohs scale.
相对硬度用莫氏硬度标测量的某种矿物质的相对硬度
One that hardens, especially a substance added to varnish or paint to give it a harder surface or finish.
硬化剂一种尤指加入清漆或涂料使之形成更硬的表面的硬化物质
Enamel is the hardest structure of the body and the richest in Calcium.
釉质是身体中最硬的组织最富于钙质。
the hard fibrous lignified substance under the bark of trees.
树皮下坚硬多孔的木质化物质。
To solder(two pieces of metal)together using a hard solder with a high melting point.
硬焊用高熔点的硬质焊锡将（两块金属）焊在一起
Chronic interstitial inflammation of any tissue or organ.
硬化，硬变任何组织或器官的慢性间质炎症
Something that hardens, as a substance added to iron to yield steel.
硬化剂如加在铁上使其形成钢的硬化性物质
Study on High Speed Cutting Hardened Steel with the Coated Insert (CN35);
硬质合金涂层刀具（CN35）高速车削淬硬钢的研究
Prepare of a High Hardness Anodize Oxidation Film on 6061 Aluminum Alloy Sheet
6061铝合金薄板高硬度硬质阳极氧化膜的制备
The Evaluation of Measurement Uncertainty for Rockwell Hardness (Scale A) Test of Cemented Carbide
硬质合金洛氏硬度(A标尺)测量不确定度的评定
Effect of Quenching Treatment on Microstructure and Hardness of (Ti,V)C Steel Bonded Carbide
淬火对(Ti,V)C钢结硬质合金组织及硬度的影响
Investigation on Laser Cladding Hard Alloy and Laser Cladding Hard Alloy with Electromagnetic Stirring;
激光熔覆硬质合金及电磁搅拌辅助激光熔覆硬质合金的研究