结合物

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%～40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶；深入研究了反应物配比催化剂用量等条件对凝胶过程的影响，得到了较佳的RF凝胶制备条件(RF浓度应大于2%，R/C值取50～300)；初步研究了凝胶过程中的粘度、粒径变化情况，分析了催化剂用量影响凝胶中粒子尺度的原因，在实验上印证了凝胶生长遵循"聚增长"的理论；通过引入超声波改进了RF气凝胶的制备工艺，缩短了凝胶反应时间，提高了凝胶品质，并探讨了超声波促进RF凝胶反应作用的原因；首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶，优化出复配比(对苯二酚含量为10%～40%)。2。

The Jet Snake Rooter combines Cable and head cutting strength with high pressure cleaning at 1100 PSI and 1.9 GPM wash away efficiency.

蛇形挖掘水枪钻头结合缆索和切割钻头，具有高达1100 PSI的水压压强和每小时431公升的喷射量，能够有效清除堵塞物。

We have developed a method for doing this, using the dimer method for saddle point finding combined with the kinetic Monte Carlo to advance the system over barriers.

我们设计了一种寻找马鞍点二聚物法与蒙特卡罗法相结合的方法。

Aiming at analyzing safety factor influencing the gas , direct labor and main factor influencing the continuously operating of gas production equipment and supply dependability .using safe economics view, combining Hua ling heng yang steel groups gas supply reality, this text explain gas supply safety management should catch person, thing and environment three important factors and propose adopting the following measures ,such as the management by objectives, the leading education and training, the management of the equipment state, the perfectness of the good environment, the strengthening of class construct and the perfectness of OHSMS system ,etc.

针对影响气体、生产工人的安全因素和影响气体生产设备连续运行及供应可靠性的主要因素的分析入手并运用安全经济观学观点，结合衡钢供气实际，本文着重阐述了供气安全管理要抓住人、物及环境三个重要因素，并提出采取目标管理，超前教育培训，设备状态管理，完善良好环境，强化班组建设及完善OHSMS体系等措施。

Initially he wanted to do the use of DNA sequence analysis of Sanger's principle, but to do sequence analysis, the combination of primers and not be able to maintain sufficient specificity.

最初他想利用Sanger做DNA序列分析的原理，但是做序列分析时，引物的结合并不能保持足够的特异性。

The sequences of Cufrk2 were used to design primers and a 426 bp fragment, FRK, encoded 139 amino acids, which possessed a sugar-binding domain with 58 amino acids was isolated from satsuma mandarin leaves by RT-PCR.

根据Cufrk2序列的外显子部分设计引物，通过RT-PCR从温州蜜柑幼叶中扩增到426bp的cDNA片段（编码139个氨基酸，其中包括58个氨基酸的糖结合域）。

According to results from detecting hydrocarbon in lower atmosphere and interstitial water of sea-bottom surface sediment and in combination with regional geology and drilling data,petroleum potential has been predicted in North Yellow Sea basin .

根据低层大气和海底浅表层沉积物间隙水烃类检测结果，结合区域地质及钻井资料，对北黄海盆地含油气远景进行了预测。

Background: Ghrelin, 28 amino acid acylated peptide, is an endogenous ligand for growth hormone secretagogue receptor.

背景资料：Ghrelin是由28个氨基酸组成的脑肠肽，它可以与生长激素促泌物受体结合而促进生长激素的释放。

The association constant of CS/HOBt complex was calculated from the self-diffusion coefficient of HOBt.

通过测量CS与HOBt混合溶液中HOBt的自扩散系数，计算出复合物结合与解离的平衡常数 K 。

Dendritic-linear block copolymers are also a type of structurally novel polymers, which have a flexible linear chain and one or two semirigid dendritic blocks. The copolymers have many unique melt and solution properties, their basic theory and practical applications have been studied.

树枝状-线形嵌段共聚物是另外一类包含树枝状聚合物结构单元的聚合物类型，这种复合结构结合了嵌段和树枝状聚合物的优点，表现出独特的熔融和溶液性质，在理论研究和实际应用方面都具有重要的研究价值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。