蚀的

Terpolymer of acrylic acid/acrylic amide/malefic anhydride was synthesized and mixed with polyepoxysuccinic acid in order to improve the scale and corrosion performance of the latter in this study.

为了提高PESA的阻垢缓蚀性能，合成了丙烯酸／丙烯酰胺／马来酸酐三元共聚物，与聚环氧琥珀酸进行物理复配，考察了温度、反应物配比及浓度对复配产品阻垢和缓蚀性能的影响。

After that,an isotropic undercutting process for forming the upper control electrodes and contact bar under the bridge was proposed to obtain plane bridge film.

通过改进工艺，提出了一种侧向钻蚀刻蚀介质桥膜下金属的方法，获得了平坦的介质桥膜。

The metal element powders were mixed proportionally with ZrB2/ZrC/SiC ceramic powders in the cylinder mill, then the quaternary ZrB2/ZrC/SiC+Me ceramics were prepared by hot-pressing mixed powders.

将金属元素粉按一定配比与ZrB2、ZrC和SiC陶瓷粉末混合后热压制备了ZrB2/ZrC/SiC+Me 四元陶瓷，重点研究了四元陶瓷的密度、弯曲强度、断裂韧性、烧蚀性能以及烧蚀前、后的微观组织。

Investigations and experiments indicate that charring ablators provide the most efficient thermal protection shield for the re-entry vehicles.

载人飞船返回舱的烧蚀热防护技术研究和试验表明，碳化烧蚀材料是再入飞行器最有效的热防护层。

Based on deeply-etched SiO2 ridge waveguides which support sharp bendings, a compact multimode interference power splitter was designed.

基于深刻蚀SiO2脊型波导的紧凑型多模干涉功分器，采用深刻蚀SiO2脊型波导，利用其弯曲半径小的优点，设计了一种紧凑型1×2多模干涉功分器。

Limestone can not be erosion by cavitating water jets on the condition of the most pump pressure, but sandstone were greatly erosion.

空化水射流在本实验设备能达到的最高泵压条件下无法冲蚀破碎石灰岩，而对砂岩却表现出巨大的冲蚀能力。

Because of the location of the installation guide lower, together with special structure, guide pulley itself has a strong anti-cavitation characteristics, and therefore to some extent, solve the water pump impeller cavitation and lack of submerged deep questions.

由于导轮安装的位置较低，加上结构特殊，导轮本身具有很强的抗汽蚀特征，因而在一定程度上可解决水泵汽蚀及叶轮淹深不足问题。

Based on gun bore radial wear Δdmax as discrimination condition of barrel life the mathematical model for predicting melt-erosion of gun-barrel is established which is employed in analyzing factors affecting the life of gun such as material, gun powder,firing conditions and so on. It is pointed out that active cooling technology is an effective method for solving many problems concerned with heat transfer each time the gun is fired.

文中由身管寿命判别条件△d_建立了身管熔化烧蚀预测计算模型，从原理上对各种延缓烧蚀速度、提高身管寿命的措施，如采用内膛镀铬、使用冷火药和护膛剂等进行了阐述；同时基于该模型指出采用身管主动冷却技术是延长火炮身管寿命最有效的措施之一。

The sandstones that are coarser in grain size and well-sorted, with low matrix contents have been subjected to stronger dissolution.

微观上溶蚀作用受岩石的粒度，分选及杂基含量控制，粒度越粗，分选越好，杂基越少的砂岩溶蚀作用越强。

Rely on the people-centered humanistic management, use of a "win-win" strategy in good faith with Coil, flat-screen passengers and wood, complete samples, with the advanced technology processing capacity, are: Dutai, etching, the profiling, snowflakes, or profiling, scrub boards, 8 K, 12K-long drawing, drawing short, the plate of rice and flower plates, and other losses.

依靠以人为本的人性化管理，运用&双赢&战略真诚地与卷板、平板及客材等，样品齐全，具有全国先进的技术加工能力，主要有：镀钛、蚀刻、发纹、雪花、合纹、磨砂板、8K、12K板、长拉丝、短拉丝、米粒板及蚀花板等。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。