主要原因

recent years, because the sulfur corrodes accidents and so on refinery which, storage and transport equipment revelation occurs to occur frequently, creates the huge economic loss to the enterprise, the analysis accident cause factor discovered that the iron pyrites spontaneous combustion is the primary cause which the initiation explodes.

近年来，由于硫腐蚀而发生的炼油、储运设备泄露等事故频繁发生，给企业造成巨大的经济损失，分析事故原因发现，硫铁化物的自燃是引发爆炸的主要原因。

After analyzing the reasons lead to the unsuccessful result, this thesis came to the conclusion that it should be ascribed to the irremediable defect, i.e. the lack of basis for economic cooperation, which is vital to the regional economic integration organizations.

本文通过对南南型区域经济一体化组织不成功的原因进行分析，发现造成一体化不成功这一结果的主要原因在于发展中国家自身存在无法弥补的缺陷，即它们缺乏在经济领域内进行合作的基础，而这对于区域经济一体化组织而言这是至关重要的。

Secondly, the author finds out the inadequacy in sun cable logistics system by using a modern logistics and supply chain management theory and methods. The main problems are the linear functional organization, logistics environment; some people lack of knowledge, skills and experience, historical reasons, no enough attention to the importance of information resources, competitive strategy of information management is not really established.

其后用供应链等现代物流和管理的理论与方法，找出太阳电缆现有物流系统不足，提出太阳电缆存在问题的主要原因是目前实施的直线职能型的组织机构、物流环境、部分人的知识技能经验等不足、历史原因、对信息资源的重要性缺乏足够认识和信息管理在企业竞争战略中的地位并未真正确立。

The fast growth of economy ,the obvious improvement of the residents purchasing power and the melioration of the consume environment that WTO bring are all the main reason that bring on the private car market rise.

这一转变的根本原因是我国轿车市场营销环境的变化，我国国民经济的快速增长、居民购买力的大幅度提高、加入WTO所带来的消费环境的改善等均是我国私人轿车市场兴起的主要原因。

It was found that moisture in the system of reaction is main reason that lead to deactivation of ionic liquids. The reaction mechanism of transalkylation reaction of methylnaphthalene and 1,2,4,5-tetramethylbenzene catalyzed by chlorine-aluminate ionic liquids has been proposed.

考察了离子液体的循环使用情况，分析确定了离子液体的失活原因，认为反应体系中的微量水使离子液体水解是造成离子液体失活的主要原因。

The NBER did not give any reasons or causes of the recession. But it is widely accepted that the housing downturn, which started in 2006, is a primary cause of the broader economic malaise.

虽然The NBER 没有给出经济衰退的原因，但是普遍认为始于2006年的房屋销售低迷是经济萧条的主要原因。

The results show that the different dynamic characteristics of the two rollers caused by the non-symmetry of the high pressure grinding roll structure are the main cause leading to the power nonhomogeneity of the two rollers.

本文从动力学角度对高压辊磨机两辊动力非均匀性产生的原因进行了初步探讨和计算机仿真实验，结果表明：高压辊磨机结构的非对称性引起两个压辊不同的动态特性，这是导致两辊动力非均匀性的主要原因。

It has many factors that caused chinas environmental problem serious. But the most chief cause is over a long period of time the style of development that one-sidedly pursued speed of economic increasing, lack of management or poor management.

我国环境问题严重的原因是多方面的，但长期以来片面追求经济增长的发展模式，对环境疏于管理或管理不善或管理不力是其主要原因。

Through analysis, we find that the fitting center is changing with coefficient of the polynomial, which causes the error.

对产生这些现象的原因进行了分析，指出拟合过程中拟合中心点随正交多项式系数的改变是导致拟合不够准确的主要原因，提出采用常规二次多项式取代正交多项式进行数据拟合，以克服正交多项式拟合方法的缺陷。

Chronic cough in children is different from that of adults and rarely are due to GERD, postnasal dripping or asthma.

成人常见慢性咳嗽的原因如胃食道逆流、鼻涕倒流或气喘，在儿童则不是主要原因。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。