原因

Based on the analysis of the mutual action between CO2 fluids and sandstone, it is found that the higher content of dawsonite is the main cause for poorer reservoir properties, and the dawsonite is formed later than other authigenic minerals and no erosion occurres after the pores filling, which are the basic factors resulting in poor reservoir properties.

分析CO2流体与砂岩的相互作用发现，片钠铝石含量较高是储层物性变差的直接原因，而片钠铝石生长时间晚于其它自生矿物且在充填孔隙后没有发生溶蚀是储层物性变差的根本原因。

Accepted by the Party, he deci ded to devote hi s l i fe to the cause of the Party.

入党以后，他决定献身于党的事业。②表原因，相当于一个原因状语从句。

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The main drawbacks are high price of the commodity house , the defectiveness of housing financial market and housing exchange market.

产生这一现象的原因是多方面的，笔者认为最主要的原因在于商品住宅价格偏高、住房金融市场发展缓慢以及住房交易市场不健全三个方面。

A positive correlation was found between the solar activity and NO3- concentration in recent 1500 years. A long-standing issue of the nature of the solar activity during the Maunder Minimum was solved. An about 36a cycle was found in the solar activity. Low solar activity and weak geomagnetic field were responsible for the 36Cl peak at about 37ka BP. Climate change recorded in this ice core lagged insolation about 4ka during the last glacial maximum, about 1ka during the last deglaciation, and nearly 0ka during the Holocene.δ18O record also suggests that the variation in temperature on the Tibetan Plateau had some similar features to that in both Northern and Southern Hemispheres during the last deglaciation to some extent, which indicate that the tropics maybe play an important role on global climate change.

揭示出近1500a来古里雅冰芯中NO3-浓度变化可以反映太阳活动的强弱变化；回答了长期争议的并直接关系到太阳发电机理论是否正确的Maunder极小期太阳活动特征问题；发现太阳活动可能存在36a左右的周期；证实了37kaBP左右古里雅冰芯记录中宇宙成因同位素36Cl含量峰值的存在，指出这一时期的宇宙成因同位素峰值事件具有全球性，弱的太阳活动和弱的地磁场是这一事件发生的原因所在；揭示出古里雅冰芯记录到的"8.2ka BP事件"，认为这一全球性事件发生的主要原因与弱的热盐环流和弱的太阳活动有关；发现古里雅冰芯记录的末次冰盛期和末次冰消期气候变化均在一定程度上滞后于太阳辐射变化，而全新世气候变化大致与太阳辐射变化同步；发现末次冰消期高原地区气候变化不仅具有北半球气候变化的某些特征，同时还具有南半球气候变化的某些特征，这说明热带地区可能对全球气候存在重要的影响。

It is concluded that there are three reasons resulted in male-sterility by floral organs abormality as follows :(1) The stomium enlongates faster;(2) Anther filaments do not elongate sufficiently to position the locules above the stigma at anthesis;(3) The anther locules do not dehisce at the time of flower opening (although limited dehiscence occurs later).

用石蜡切片技术，在光学显微镜下观察拟南芥部分雄性不育材料小孢子发育过程和各时期的花形态特征，分析雄性不育的原因。从花表型上分析导致雄性不育的原因有三个方面：（1）柱头伸长过快；（2）花药生长过慢；（3）花药开裂晚。

Impact of juvenile delinquency many reasons, one of the main reasons is that school education deficiencies.

影响青少年犯罪的原因很多，其主要原因之一便是学校教育缺陷问题。

This article take the novel text as the basis, the social culture historical perspective which the union text produces, from economical aspects and so on reason, social relations, love comprehensively analyzes the reason which the La Deme Aux Camelias Marguerite tragedy produces.

本文以小说文本为依据，结合文本产生的社会文化历史背景，从经济原因、社会关系、爱情等方面全面剖析茶花女玛格丽特悲剧产生的原因。

"Demotion" was not a historical reasons, there are practical reasons.

"能下"之所以难，有历史原因，也有现实原因。

This paper,at first,expounds the view of "structure fluidity trap"of our country denizen's curre...

文章首先对当前转型期我国存在的居民货币需求"结构性流动陷阱"形成原因进行分析，其次，依据这个观点对我国近年来出现的通货膨胀和通货紧缩的基本原因和特点进行深入的分析和系统的研究，并就我国未来短期内物价走势进行分析和预测。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。