Mechanical circulation assist device is effective to curing severe heart failure.

1、

Reduce the friction and eliminate the need of lubricant.

减少使用步靴及针送车等防皱车种和拖拉辅助装置的需要.

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2、

It was the transitional period between the Middle Ages and modern times.

它是中世纪和现代之间的变迁过渡时期.

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3、

Until modern times, a trip was often a long and difficult adventure.

直到近代, 旅行还常常是个漫长而又艰难的历险.

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4、

We shall see how science progressed into modern times, often in spite of dispute and disbelief.

我们将会看到科学如何冲破一切怀疑和偏见而进入现代.

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5、

Unemployment is one of the major problems of modern times.

失业问题是现代的主要问题.

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6、

He was regarded as the most successful Chancellor of modern times.

他被认为是现代最成功的财政大臣。

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7、

The army's level of modernization in weapons has improved significantly.

武器装备现代化水平显著提高.

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8、

The chemical modification can enhance bioactivities of natural polysaccharides, and even give new bioactivities.

通过化学修饰可以显著提高多糖的生物活性, 甚至赋予新的生物活性.

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9、

A type casting adhesive based on PVA as mian material has been prepared by chemical modification.

以聚乙烯醇为主要原料,采用化学改性的方法成功制备了A型铸造粘合剂.

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10、

The advancement in the research of chitin and chitosan's chemical modification is generalized.

介绍了甲壳素和壳聚糖化学改性的研究进展.

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11、

The chemical modification techniques of natural phospholipids and characteristics of products were reviewed in this paper.

介绍了天然磷脂的化学改性方法及其改性物的性能特点.

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12、

Chemical modification is one of the most universal methods.

化学法改性是常用的方法.

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13、

The advances in physical and chemical modification methods of phospholipids were reviewed.

综述了国内外磷脂物理和化学改性方法研究的进展.

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14、

The characteristics and application of chemical modification are summarized.

综述了各种化学修饰方法的特点和应用.

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15、

After the surface modification, CNTs was mixed with polyester powder and then been extruded and chipped.

经表面改性后, 与聚酯粉体共混造粒、挤出.

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16、

The paper reviews the application of low-temperature plasma technology on the surface modification of biomaterials.

综述了低温等离子体技术在生物材料表面改性中的应用.

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17、

From the thermogravimetric analysis, the oxidation of powders after surface modification was reduced.

而热分析的结果发现, 改质镍及钯银粉的氧化量较一般未改质粉为低.

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18、

The combustion synthesizing-high temperature synthesizing is one of the active techniques for surface modification.

燃烧合成涂层技术是一种新兴的表面改性和表面涂层技术.

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19、

Laser cladding is an advanced surface modification technique, having high potential in manufacturing wear-resistant coatings.

激光熔覆技术是一种先进的表面改性技术, 在制造耐磨涂层方面具有广阔的前景.

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20、

Moreover, appraisal ftmctions of powder surface modification effect are introduced in brief.

另外, 简要介绍了粉体表面改性效果的评价方法.

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