查询词典 pu

The operating parameters to determine the isotope abundance ratio for 〓Pu/〓Pu by ICP-MS were optimized for the first time in China.

采用优化的仪器条件，测定了〓Pu／〓Pu的比值。将同位素稀释法应用于ICP-MS，测量了环境样品中Pu的含量。

Absorbed in developing and producing PU rubber products for a long time, the products mainly include:stopcock of cement mixer,squeegees for screen printers, PU wheels, PU rollers, mechanical elastic parts.

长期以来专注于研发及生产PU橡胶类产品，主要包括：混凝土泵车活塞，网版印刷刮刀，PU橡胶滚轮。PU橡胶罗拉，机械弹性配件和PU橡素材等。

To take the lead in the introduction of Germany's leading science and technology DESMA advanced injection molding machine, the use of imported high-grade leather to create and guide the international mainstream of Special Process PU / PU, TPU / PU, PU / RB Rubber extremely high quality of the stability of safety shoes, self-developed patented light quality aluminum alloy Baotou, Baotou steel Antimagnetic insulation, anti-static pressure shocks Baotou Steel, Antimagnetic, anti-wear steel soleplate puncture.

以科技领先率先引进德国DESMA先进注塑机，采用进口高档牛皮制造引导国际主流的特种工艺PU/PU、TPU/PU、PU/RB橡胶等高品质稳定性极强的安全鞋，自主开发专利性轻质的铝合金包头、绝缘防磁塑钢包头、防冲击静压钢包头、防磁、防剌穿钢中底板。

Company Profile of Dongguan City harbor leather Co., Ltd., mainly engaged in a variety of grades, the grade the first layer (a variety of imports, domestic leather billet,¤, Crazy Horse series, wiping coke, oil skin), second skin (wet and dry Law Paper expected, embossing), etc., I am also operates PVC artificial leather, PU synthetic leather products, etc.; products include cow has Bago, Space leather, sheep leather Pakistan, oily PU, such as wiping coke PU.

东莞市海时皮革有限公司，系一家主要经营各种中、高档头层（各种进口、国产皮坯、纳帕皮、疯马系列、擦焦、油皮）、二层皮等，我公司还经营PVC人造革、PU合成革等系列产品；产品包括有牛巴戈、太空革、羊巴革、油性PU、擦焦 PU等。

Point out our country will become global polyurethane (consume and produce can big country of PU) elastomer, among them ammoniac black silk ribbon, thermoplastic polyurethane (synthetic leather of sole of TPU) elastomer, PU, PU is product of dominant of future of elastomer of our country polyurethane, textile industry and light industry are to pull use the main property that PU elastomer will develop our country quickly henceforth.

指出我国将成为全球聚氨酯弹性体的消费和产能大国，其中氨纶、热塑性聚氨酯弹性体、PU鞋底、PU合成革是我国聚氨酯弹性体未来主导产品，纺织工业和轻工业是拉动我国今后PU弹性体快速发展的主要产业。

The formation of charge transfer complex was studied in the first part. The second part includes the synthesis and characterization of the acrylated unsaturated polyester and the kinetic studies on the Ar-UPE/ triethylene divinyl ether (DVE-3) photocuring system, the rheology and properties of film after photocuring. The third part includes the synthesis and characterization of the urethane modified unsaturated polyester and the kinetic studies on the PU-UPE/DVE-3 photocuring system, the rheology and properties of film after photocuring. The fourth part includes the synthesis and characterization of the vinyl ether end capped polyurethane and the kinetic studies on the VE-PU/DVE3 photocuring system, the rheology and properties of film after photocuring.

整个研究工作分为四个部分：一是电荷转移复合物的研究；二是丙烯酰氧基化不饱和聚酯的合成，表征，Ar-UPE/二缩乙二醇二乙烯基醚（DVE-3）体系光固化动力学研究以及Ar-UPE/DVE-3体系流变性能和光固化后涂膜综合性能的研究；三是氨酯改性的不饱和聚酯的合成，表征，PU-UPE/DVE-3体系光固化动力学研究以及该体系光固化后涂膜综合性能的研究；四是乙烯基醚封端的聚氨酯的合成，表征，VE-PU/马来酸二甲酯体系光固化动力学研究以及VE-PU/DMA体系流变性能和光固化后涂膜综合性能的研究。

The mechanical properties of the modified material were tested, and the thermal stability of the modified EP blend was also investigated by TG. The results indicate that the graft copolymerization between PU and EP effectly inforces the miscibility of the PU/EP system. Compared with the properties of pure EP, the impact strength and tensile strength of the PU/EP with high thermal stability are markedly enhanced, and the fracture surface of the PU/EP system displays tough fracture features.

研究结果表明：PU和EP分子链之间存在着化学接枝反应，能有效地改善PU/EP体系中PU和EP分子间的相容性及相互贯穿；与TDE-85与E-51的混和环氧树脂比，PU改性TDE-85与E-51的混和环氧树脂仍然具有很强的耐热性能，并且冲击强度、拉伸强度均获得显著提高；PU/EP体系断口裂纹呈明显的韧性断裂特征，说明TDE-85与E-51的混和环氧树脂PU改性增韧效果明显。

The on-line reaction kinetics of RIM polymerization of PU/VER SINs has been monitored by using a mini-RIM machine interfaced with FTIR During the course of synthesis, the two pairs of reactants interfere with each other in PU/VERA SIN system, although they follow different polymerization mechanisms and the possibility of inter-component chemical binding may be neglected (secondary hydroxyl groups of VERA capped).

在对机械搅拌混合物料PU／VER SIN体系进行了DSC、FTIR聚合反应动力学研究的基础上，本文首次利用第一台国产微型RIM机成功地实现了RIM PU/VER SIN体系合成时的FTIR在线聚合反应动力学测量。虽然PU、VERA网络的生成遵循不同的聚合反应机理（逐步缩聚反应、自由基共聚反应），并且两网络间的化学键合作用可以忽略（VERA为封闭仲羟基的VER），但合成PU/VERA SIN时两组份的相互作用不容忽视，两网络的生成速率均低于同样温度下纯网络的生成速率。

Such as Product Name: headphone / microphone sets of KTV sponge, sponge ball, wash sponge, absorbent sponge, pulp sponge, makeup sponge, sponge cameras, ink cartridges sponge, compressed sponge, rubber sponge, thickness pore filter sponge, the peak noise sponge, medical sponge, sponge pillow, sponge shockproof packaging, 1mm thick sponge, electronics / medical cotton sponge, EVA ball, EVA intellectual puzzle, EVA key chain, PU cushion , PU toys, PU balls and so on.

产品名称如：耳机/话筒KTV海棉套、海棉圆球、洗刷海棉、吸水海棉、木浆海棉、化妆海棉、相机海棉、墨盒海棉、压缩海棉、橡胶海棉、粗细孔过滤海棉、波峰隔音海棉、医用海棉、海棉枕头、包装防震海棉、1mm厚海棉、电子/医用海棉棉签、EVA球、EVA智力拼图、EVA钥匙扣、PU座垫、PU公仔、PU球类等等。

In this report, half-esterification between these pendent hydroxyl groups of hydroxyl-PU and maleic anhydride could lead to new pendent groups, carboxylic groups. These highly polar carboxylic groups in the side chain of PU could play the role of internal emulsifier. They had self-dissociation ability in the water or were neutralized first by appropriate amount of base. Then, PU bearing carboxylic group could dispersed steadily in the water, named aqueous-based polyurethane dispersion.

在本论文中，利用原来亲油性Hydroxyl PU主链段上悬挂的羟基经由与琥珀酸酐的半酯化(Half-esterification Reaction)反应后，使PU在侧链上悬挂具有强极性的羧酸基，其可作为聚胺酯分子中的内乳化剂，羧酸基能在水相中自身解离产生离子或加入适量碱使之中合，使聚氨酯高分子能够稳定分散於水中，即所谓水性PU分散液(Aqueous-based Polyurethane Dispersion)。

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。