瓶颈

In view of the high risk, low success ratio and poor effect of ultra-deep reservoir fracturing, the state of the art of ultradeep well fract.

压裂是低渗透储层最具进攻性的增产措施，然而超深井压裂改造的成功率和有效率低，压裂改造技术已成为制约超深致密储层能否有效开采的瓶颈技术。

This article describes the present situation of high-pressure and low-pressure flash tank ,gas-liguid separator and purified gas filter.

详细介绍了聚乙二醇二甲醚脱硫脱碳装置中脱硫富液、脱碳富液的高、低压闪蒸槽以及气液分离器和精制气气体过滤器的生产现状，分析了这些设备出现瓶颈的原因，同时提出了相应的扩能改造的基本思路和方法，最后总结了改造的效果。

Craft Projects Craft Sticks - 2 1/2 tall glass bottle low temp glue gun and sticks Push the head down over the neck of the bottle the head for a halo.

工程船船支-21/2高大玻璃瓶低温胶水枪、棍棒头推下了瓶颈晕了头。

According to the strata feature,LG plant glue mud was chosen to solve these difficult problems.

结合该地区的地层特征，采用新型LG植物胶泥浆来解决钻探的&瓶颈&难题。

No one wants to be the leader of an organization that is in gridlock.

没有人想当发生瓶颈的企业领导人。

Once a company becomes gridlocked, it becomes paralyzed.

公司一旦出现策略瓶颈，便会渐次瘫痪。

Finally,we compare the similarity of the color and texture histograms between the query example and each one in the image database.

随着遥感图像数量的急剧增加，如何进行高效检索已成为遥感图像信息提取和共享的瓶颈问题，基于内容的遥感图像检索因此逐渐成为了研究热点。

Many problems related to lettered-words are explored in the thesis, such as the homographs, heterographs and abuse of lettered-words, especially the pronunciation of lettered-words which has been the choke point for the healthy development of lettered-words in Chinese.

本文也指出了有关字母词的诸多问题，如滥用字母词、同形词、异体词，特别是字母词的读音问题，已成为其在汉语中健康发展的瓶颈。

Therefore we need use one kind of new technology to solve this thermal efficiency bottleneck problem, and under this kind of form the condensation gas-fires hot-blast stove is produced.

因此这就迫切要求采用一种新的技术来解决目前热风炉热效率的瓶颈问题，冷凝式燃气热风炉就是在这种形式下产生的。

The analysis showed that target genes of individual microRNAs tend to be hubs and bottlenecks in the network.

分析结果显示出单一miRNA所调控的基因倾向於是整个网路的具有高连结度的或是瓶颈的位置。

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。