化合的

Many factors affecting the radiochemical synthesis of 18 F SFMB including reaction solvents, temperature, the mole ratio of K/222 to K 2CO 3 and reaction time are studied.

探讨了反应溶剂、温度、K/ 2 2 2与K2 CO3 的摩尔比及反应时间等诸因素对18F SFMB放化合成的影响。

In addition, current data on combination sunscreen and insect repellent products are discussed.

的修正案。此外，本文还对当前化合防晒用品及驱蚊虫产品的数据进行了讨论。

Intelligent self-command self-balancing of power to meet the pursuit of self-desire for power, the sovereign will of the human characteristics of self-, three-dimensional one, the perfect chemical combination.

自我权衡智能指挥自我权力行为满足自我权欲的追求，人类的自我主权意志特性，三维一体，完美化合。

When the two gases previously mentioned are mixed in the presence of a filament of platinum, they form sulphurous acid.

前面提到的两种气体和那根细细的铂金丝混合，它们就会化合成亚硫酸。

The necessary conditions for a ternary alloy phase to form in nanometer powders are that the components can compound or solid solute each other,and there is a proper composition range for the master alloy.

三种组元间能够相互化合或固溶是在纳米粉末中形成三元化合物相的必要条件。此外，母合金的成分范围还必须合适。

Oxidative methylation of toluol to styrene is a new process studied widely recently.

甲苯氧化甲基化合成苯乙烯是目前正在探讨的合成苯乙烯的新工艺。

From the azeotropic mixture from the top of the tower the absolute ethanol is prepared and returned to the oxidation and carbonylation system.

塔顶出来的共沸混合物按照工业乙醇脱水方法制备的无水乙醇返回氧化羰化合成系统。

Air cleaning: To enable±·removed without the air-conditioning, special cleaning agent directly injected into the evaporator of indoor unit and outdoor unit on the internal heat exchanger, through the physical chemosynthetic, about ten minutes to clear the dirt, with the exception of food sterilization, air purification, but also the restoration of air-conditioning refrigeration, heating efficiency, extend the service life of air-conditioning.

空调清洗：使用本品不需将空调拆下，直接将专用清洗剂喷入室内机蒸发器上和室外机换热器内部，通过物理化合作用，十分钟左右即可清除污垢，除味杀菌，净化空气，还可以恢复空调的制冷、制热效率，延长空调的使用寿命。

The n-butyl lactate was synthesied by the esterification of lactic acid and n-butyl alcohol in presence of ammonium ferric sulfate dodecahydrate NH4Fe(SO4)212H2O,and the factor influencing on the yield of reaction were discussed.

摘 要：在十二水合硫酸铁铵催化下，由乳酸和正丁醇发生酯化反应合成了乳酸正丁酯。实验考察了该催化剂催化酯化合成乳酸正丁酯的醇酸比、催化剂用量、反应时间、反应温度诸因素对酯化率的影响。

We found that under acid condition, selenite radical combined with active hydroxide radical and amino-group of chitooligosaccharides to form chitooligosaccharides - Se compound molecule, the remaining group complex interacted with the negative sodium tripolyphosphate via electrostatical interactation to form nanoparticles with the size about 100nm.

通过透射电镜、粒径分析仪等方法表征，发现壳寡糖-硒纳米颗粒平均粒径为100nm左右，在酸性条件下，亚硒酸根与壳寡糖单元上活性羟基和氨基化合，形成壳寡糖-硒复合分子，剩余的基团与带负电的多聚磷酸钠复凝聚，在4℃下能够稳定保存，25℃以上壳寡糖溶胀而致纳米颗粒发生分解。

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。