有效寿命

Increase the wear resistance of OT, extend the useful life of Corrugating roll, is to reduce the cost of production for corrugated board an effective deterrent.

提高瓦楞辊的耐磨性能，延长瓦楞辊的使用寿命，是降低瓦楞纸板生产成本的有效方法。

Engineering practices show that when SFRC is used in architecture it not only effectively reduces all kinds of cracks, defers crack appearance, but also enhances bonding strength of architecture structure, elongates service life of construction, and therefore strengthens stability and reliability of monolithic construction.

工程实践表明，在建筑结构中采用钢纤维混凝土材料，不仅能够有效减少各种裂缝，推迟裂缝出现时间，而且能够加强建筑结构的连接强度，延长结构的使用寿命，从而增强整体结构的安全性和可靠性。

In case of unnecessary condition, don't try to switch from different light sources, elongating effective use life of lamp.

在不必要的情况下，要尽量避免多种光源间的反复切换，以延长灯管的有效使用寿命。

Strengthening by steel armoured is an effective method for increasing degree of safety and decreasing possibility of accident and elongating service life in the reinforced concrete structure.

外包钢加固是提高钢筋混凝土结构安全度、减少事故隐患，延长结构使用寿命的有效方法。

On this basis, an improved data transmission mode is proposed, which equalizes energy consumption of sensor nodes effectively and thus extends network lifetime significantly.

在此基础上，本文提出了一种改进的数据传输方式，有效地均衡了节点的能量消耗，并显著地延长了网络寿命。

Extends PDC life through fine weight transfer; no spudding

平稳的传递钻压，有效的延长PDC钻头的使用寿命，不会产生顿钻现象。

A process for partial conversion and low-temp transform of CO in the synthetic ammonia plant where coal is used to generate gas features that the Fe-Mo catalyst for partial conversion of CO, anti-poisoning agent and Co-Mo catalyst for low-temp conversion are used and the temp of semi-water gas is controlled to 200-260 deg.C at entering anti-poisoning layer, and 150-250 deg.C at the segments of said Co-Mo catalyst layer, and lower than 300 deg.C at bed layer to prevent high-temp reversal of sulfurizing reaction and make the catalyst activity optimal. Its advantages are long service life of catalyst, low system resistance, saving energy and convenient operation.

本发明是中小合成氨厂以一种CO部分转化抗毒保护层配低温变换的工艺，涉及煤造气合成氨厂0.6～2.0MPa半水煤气变换工艺流程，该工艺用铁－钼CO部分转化催化剂、抗毒剂，配钴－钼低变催化剂，半水煤气进入部分转化抗毒层温度为200～260℃，进钴－钼低变催化剂各段温度为150～250℃，床层温度控制在300℃以内，避免高温下反硫化反应发生，保护催化剂活性处最佳状态，寿命延长、系统阻力小、节汽、节电，具有比其他变换工艺更好地节能效果，操作方便，有效生产时间长，经济效益显著等特点。

Arc plasma has many advantages, such as high temperature、 high energydensity and so on. It has been applied in the field of cutting、 welding、 metallurgyand material prepared etc, but there is a long-term problem in the field of the arcplasma technology, which is how to reduce cathode erosion to increase the life-timeof arc plasma generator, so many scholars in the world have been studying theproblem on the cathode erosion.

电弧等离子体具有温度高、能量密度大和对环境污染小等特点，它已被广泛应用于切割、焊接、冶金、材料制备等领域，但是在电弧等离子体技术中，怎样减少阴极烧损提高等离子体发生器的寿命是电弧等离子体技术中一个长期问题，因而国内外的许多学者仍在对阴极烧损这个问题进行研究；本文围绕&通过提高阴极表面温度，增强阴极表面的电子发射能力，来增大阴极弧根直径，进而降低电弧通过阴极弧根传入阴极表面的有效比热流，以达到减小阴极烧损的目的。&

Aluminum drive and gear covers decrease oil temperatures prolonging bearing,gear,and seal life.

齿轮端 和非驱动端的铝制散热盖，有效的降低油温，增加轴承，齿轮，密封的使用寿命。

A new stepless speed regulation booster pump drove by hydraulic power was developed according to this oil driving technology.

针对这种驱油技术研制了新型液力驱动无级调速升压泵，有效解决了聚驱时在用升压注入泵容积效率低、对三元复合体系的粘度降解大、易损件寿命短、技术参数匹配不合理等问题。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。