查询词典 ring-a-ding

From the photophysical behaviors of 1, 3, 4-triaryl-2pyrazoline compound (TPP16) at low temperature, it can be considered that the twisted configuration between pyrazoline ring and the non-substituted phenyl group on the position 1 is the fluorescence configuration of conjugated system Ⅰ, and the twisted configuration between pyrazoline ring and P-nitrobenzene group is fluorescence configuration of conjugated system Ⅱ.

研究了1，3，4-三芳基-2-吡唑啉化合物TPP16在低温时的发光情况，发现：在低温77K下，共轭体系Ⅰ(苯基-N1-N2＝C3-苯基)在非极性溶剂中不发荧光，在极性溶剂中有较强荧光发射；而共轭体系Ⅱ(N1-N2＝C3-C4＝对硝基苄叉)在非极性溶剂或极性溶剂中均有荧光发射，表明N1所联取代基与吡唑啉环相扭曲的构象是共轭体系Ⅰ的发光构象，而对硝基苄叉与吡唑啉环相扭曲的构象是共轭体系Ⅱ的发光构象。

The structure characters of this kind of molecules were discussed. The results show that the phenyl group located in the 4- or 5- position of pyrryl ring are not coplanar with the pyrryl ring.

对这类吡咯环上4或5-位有芳环取代基时化合物的晶体结构特征进行了扼要讨论，晶体衍射实验结果表明，4， 5-位上的芳环与吡咯环本身处于非共平面结构。

The contrast experiment shows that the d90 temporary plugging technology presents the best pretection effect,which shield ring intensity is more than 25MPa, the flowback recuperability of the permeability can attain 97.2%, and the shield ring intensity is more than 15 MPa.

进行的对比实验表明，运用&理想充填&理论和&d90&暂堵技术与传统屏蔽暂堵技术相比，&d90&技术对储层有更好的保护效果。该技术对于孔隙性储层屏蔽环强度大于25MPa，渗透率返排恢复率最高能达到97.2%；裂缝性储层屏蔽环强度大于15MPa。

Before reinstallation of Checks, thoroughly clean O-ring groove and lubricate O-ring with FDA approved lubricant.

在重新安装止回阀之前，要彻底清洗O形环沟槽，并用通过美国食品及药物管理局认证的润滑剂对O形环进行润滑。

The invention discloses an elastic sectionalization ring address binding method in the network transmission technological domain, which is characterized by the following: realizing the binding of RRP ring node MAC address and IP address through ATD frame in the extended RPR protocol; without adding extra system resource consumption; converging rapidly for topology after the RPR looped network occurs switching; providing address binding information for over three layered report to transfer and utilize.

本发明涉及传输网络技术，公开了一种弹性分组环地址绑定方法，使得在不增加额外系统资源消耗的情况下实现RRP环节点MAC地址和IP地址的绑定，并且在RPR环网发生倒换后，拓扑可快速收敛。本发明中，通过扩展RPR协议中的ATD帧，在广播ATD帧的同时携带MAC地址和IP地址绑定的信息，实现所有RPR环节点的MAC地址和IP地址的绑定，该地址绑定信息可供三层以上报文转发使用。

The five rings represent health, money, career, friendship and hobby separatedly. One ring should never cover on another ring.

永远不能把一个环压在另外一个环上，如果相互压制，那么生活就会很单调，失去色彩。

The heat-conduction working fluid ring vacity glass pipe besiding the glass sealing ring wiped joint separatrix is exothermic segment,the inner part is heat-collecting segment.

玻璃密封环形焊接点分界线外的导热工质环腔玻璃管为放热段，内为集热段。

Based on the construction of Danxi Bridge in Yiwu,this paper introduces the construction technology for installing main arch ring and sideling arch ring of leaned tied arch bridge.

以义乌丹溪大桥为背景，全面介绍了国内首座斜靠式系杆拱桥主、斜拱圈安装施工技术。

Therefore, the whole Beijing real estate supply will decline substantially "," I forget what, now down more than 6000 approved 10,000 square meters, inside the Second Ring, 9% between the second ring to the tricyclic 11%, between tricyclic tetracyclic to 11%, tetracycline 69% outside.

因此，整个北京房地产供应量将下降大大&，&我忘记了什么，现在已经降到6000多批10000多平方米，二环内， 9 ％之间的第二环，以11 ％的三环，四环之间三环至11 ％，四环素69 ％以外。

It has shown that the tensile index and ring crush index of handsheets were increased by 15.90% and 9.65%, when phenol-formaldehyde resin modified by diethylene triamine was used in OCC pulp alone (the dosage of resin was 1.0%), and then adding cationic starch to pulp (the dosage of starch was 1.0%), the tensile index and ring crush index of handsheets were increased by 32.81% and 29.29%.

实验结果表明，二乙烯三胺改性的酚醛树脂单独作用于OCC废纸浆时(用量为1.0%)，抗张指数和环压指数分别增加了15.90%和9.65%，当加入阳离子淀粉时(用量为1.0%)，抗张指数和环压指数分别增加了32.81%和29.29%。

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％。