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And it is concluded that the No.4-2coal seam is a mid-reserve and low-permeable seam, with surrounding rocks having low enclosed system and high permeability. And the coal seam's gas content is low, while its quantity in the roof-sandstone which is the main source of coalface's gas emission is high . The quantitative index used to analyze gas content and gas emission amount are pointed out systematically. And gray association analysis method is adopted to search the main factors affecting coal-bed content and gas emission amount.

系统提出了分析影响煤层瓦斯含量与采面瓦斯涌出量大小的量化因素指标，并将灰色关联分析原理引入煤层瓦斯含量与瓦斯涌出量主控因素的研究中，筛选出了煤层顶板含油指数，顶板砂泥岩比、4-2号煤层顶板以上煤系厚度3个因素指标为影响4-2号煤层瓦斯含量的主控地质因素；煤层埋藏深度，煤层瓦斯含量，煤层顶板含油气砂岩厚度，煤层顶板含油强度及工作面回采进度5个因素为影响综采面瓦斯涌出量的主控因素。

Both the TPP value and the second, degree bum time increase with the moisture content. There ale positive correlation relationship between moisture content percent, the second-degree burn time and TPP value. Simple lineal regression equations are developed between TPP value; the second-degree bum time and moisture content percent.

二级烧伤时间和TPP值均随面料含水率的增大而增大，含水率与二级烧伤时间和TPP值之间存在显著的线性正相关关系，并在TPP值、二级烧伤时间与含水率之间建立了一元线性回归方程。

To improve thetemperature stress and increase frost resistance, the roll conrete adopts RCC mix proportion mading up ofmedium-content cementing material, low-content cement, high-content flyash and methods to defer loss of VCso as to meet the requirement of the RCD construction technique. It has the advantages of both th...

为了改善坝体的温度应力，提高其抗冻性，碾压混凝土采用了中胶凝材料总量、低水泥用量、高掺粉煤灰的RCC配合比，并采取措施减缓VC值的增长速度，以满足RCD筑坝技术的要求，使其既保持了RCD筑坝技术的长处，又具有RCC高掺粉煤灰的优点，从而发展了RCD筑坝技术。

Plants were hydroponically grown in solutions containing 3 mM Ca(NO3)2 or 3 mM NH4NO3 as nitrogen source. Mature plants were harvested eight times in one day at a 3 hr. interval from 8:00PM Aug. 12 to 5:00PM Aug. 13. Diurnal variations of the shoot nitrate content were observed in either Ca(NO3)2 or NH4NO3 treatment. Shoot nitrate content of Ca(NO3)2 treated plants were higher than those treated with NH4NO3 at every harvest. The average shoot nitrate content of lettuce with Ca(NO3)2 was 0.68% of the dry weight, and it was 0.29% for the NH4NO3 treated lettuce. The fresh weight of the NH4NO3 treated lettuce were 1.43 or 1.2 fold heavier than those with Ca(NO3)2 treatment for shoot or root respectively.

R36品种以3mM硝酸钙(6mM N)或3mM硝酸铵(6mM N)处理，於8月12日下午8点开始采收，每隔3小时采收一次，采收至8月13日下午5点。3mM硝酸钙与3硝酸铵两种养液处理的地上部硝态氮含量皆有日变化，而且在8个采收时间，3mM硝酸钙养液处理的地上部硝态含量皆高於3mM硝酸铵处理。8个采收时间的硝态氮含量平均，3mM硝酸钙养液为乾物含量的0.68%，而3mM硝酸铵处理为0.29%。3mM硝酸铵养液处理的地上部与根部鲜重分别为3mM硝酸钙处理的1.43倍及1.2倍。

If used in the construction site content, can be content to the popular misspellings text to build and optimize the content.

如果应用在网站内容建设上，则可以以热门内容的错误拼写文字来建设和优化内容。

Output the content of current unit; [: If the content of current unit is 0, jump turn to match to it] place carry out;: If the content of current unit is 0, jump turn with what match place carry out.

输出当前单元的内容；[：如果当前单元的内容为0，则跳转到与之匹配的]处执行；：如果当前单元的内容不为0，则跳转到与匹配的处执行。

In this study,relationship between internal hormones and Barren Ear Tip was studied.Results showed that during faster filling period of maize grain there were high content of GA,and mid-content of IAA and CTK,and low content of ABA.

本文以20个玉米杂交组合雌穗顶部穗轴为材料，对光合作用的&源&和&库&起调控作用的顶部穗轴内源激素与其秃尖长度的关系进行了研究。

The content of hydroxyproline can be determined by colorimetry ,and the content of hydrolyzed animal collagen proteins in adulterated milk was calculated by Hyp content.

采用比色法快速定量检测乳中掺加的动物胶原水解蛋白。

Methods: The content of hydroxyproline can be determined by hitachi L-8800 high speed amino acid analyzer, and the content of hydrolyzed animal proteins in adulterated milk was then calculated by HYP content.

通过日立L-8800型氨基酸分析仪测得羚脯氨酸的含量，由测得的HYP含量换算得出牛乳中掺加的动物蛋白水解物的量。

Sediments of this system were sequentially extracted in natural granularity. The result showed that there was a good linear relationship between organic matter and org / bact P contents in sediments. This organic matter in sediments was the source of org / bact P. The total phosphorus in sediments dominated the content of total dissolved phosphorus and phosphate in interstitial water. In addition, there were good relatiohships between total phosphorus in sediment and the total dissolved phosphorus in interstitial water, and between total phosphorus in sediment and phosphate in interstitial water. FeP and AlP in sediments were correlative with Eh and phosphate in interstitial water, respectively. This showed that the FeP and AlP contents were affected by Eh in interstitial water and the total content of FeP and AlP dominated the content of phosphate in interstitial water.

对沉积物—间隙水中磷形态的连续提取分析发现，自然粒度下，沉积物中有机质含量与沉积物中有机/细菌聚合磷存在很好的线性相关性，说明沉积物中有机质是有机/细菌聚合磷的源；沉积物中总磷决定间隙水中总溶解性磷和溶解性磷酸盐的含量，并且总磷与间隙水中总溶解性磷和溶解性磷酸盐存在很好的相关性；沉积物中FeP和AlP分别与间隙水中的Eh和溶解性磷酸盐存在相关性，说明Eh的大小严重影响FeP和AlP的含量，但是FeP和AlP含量之和又主导着间隙水中溶解性磷酸盐的含量。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。