covered rolls是什么意思

用法例句

New surface coating on Mg powders and their characteristics of reaction with water;

Mg粉的新型包覆处理及其水反应特性

Surface coating with heterogeneous nucleation Fe_2O_3 powder;

Fe_2O_3粉末表面非均匀成核法包覆

Surface coating of potassium titanate whiskers by a novel homogenous precipitation method;

一种无机包覆钛酸钾晶须的新方法

Synthesis of Fe2B coated iron nanoparticles in microemulsion system and characterization;

微乳液体系制备Fe_2B包覆纳米α-Fe及其性能研究

Preparation and Application in Thermal Spraying Field of Nickel-coated Composite Powder;

镍包覆型复合粉末的制备及其在热喷涂领域的应用

Study on surface coating of rutile nanosized TiO_2 particles;

金红石型纳米二氧化钛表面包覆的若干研究

Study of radical grafting polymerization for encapsulation of nano-SiO_2 surface with polymethylmethacrylate;

聚甲基丙烯酸甲酯包覆纳米SiO_2表面的聚合反应研究

Dispersion and Encapsulation of Nanometer Calcium Carbonate with Polymer;

纳米碳酸钙的分散和聚合物包覆

LDPE-grafted SiO_2 and LDPE dispersed in PPS with a core-shell encapsulation structure,which increased the crystallization rate and initial crystallization temperature of PPS and led to smaller spherulite size and lower crystallinity.

熔融接枝改性的纳米S iO2粒子在PPS中形成界面粘接较好的S iO2-LDPE核壳包覆结构以及微纤网络结构,使PPS结晶温度显著提高、晶粒细化、结晶度降低。

In this paper,the composition technics and technical requirement of cladding additives of ammonium nitrate are studied.

文章主要对包覆硝酸铵所选用材料的复合工艺及技术要求等进行研究。

According to the equality of the hydrostatic stress mean values on both sides of central horizontal plane of the die ,a pressure balance criterion for designing die cavity in the cable Al sheath CONFORM cladding is presented by means of the slab method.

采用切块法对电缆铝护套连续挤压包覆型腔内的金属流动进行塑性力学分析，根据凸模中心水平面上下两侧静水应力平均值相等的原则得出了型腔设计的均压判定准则。

After cladding with different raw and covered materials,component which has the better apparent characteristic was selected to make mechanical test and thermodynamics test.

以硅酸钠、二氧化硅为主要原料,氟硅酸钠为添加材料的复合浆体材料对相变蓄能材料进行了包覆,制备具有固定外观形状的固—液相变材料。

Preparation and characterization of surface coated modification ZnO nanoparticles;

纳米氧化锌表面包覆改性及其表征

Research and progress of coated metallic-ceramic composite powder prepared by electroless plating;

化学镀金属包覆陶瓷粉体的研究与应用进展

Study on fly ash floating beads coated by titania;

二氧化钛包覆粉煤灰漂珠的研究