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Effects of some major factors on deoxidize rate of silver, such as Mix ratio connection of tartaric acid and glucose, over all concentration of mixed liquid, the pH level, the reaction temperature, the reaction time etc.

考察了酒石酸与葡萄糖的配比关系、还原混合液的总浓度、pH值、反应温度、反应时间对银还原率的影响,得出了酒石酸与葡萄糖、无水乙醇的质量比为1:2.6:1,pH值为12,在室温下放置时间为3-5d,银的还原率大于92.7%的最佳条件,总回收的金属银纯度为98.2%。

Anyway I feel that the harp is the most poetic musical instrument: it has a smooth and undulate shape, best being played by a woman in a white embroidered hellenic gown with a tight sash, showing her concinnity and charming figure, with her hair in a high knot,and wearing no jewelry but asandalwood bracelet. Her mistlike azure blue eyes droop down; her typical Grecian nose and thin curving lips are kissable andher face is as sharp as a statuary with a light smile; her nicety long fingers pluck the strings elegantly, from which music flows out, sparkling and harmonic. Maybe she is the Psyche who stepped out of the Anderson's fairytales, even we can see her translucent wings flapping with the rhythm in the air.

不过还是觉得竖琴算是乐器中最富诗意的一种了:外形流畅起伏动人心弦,由穿着古希腊白色刺绣长袍,紧束腰带,显露出优美动人的体态,盘着高高的发髻却除了宽大的手镯外别无饰物的女人弹奏,湛蓝的眼睛低垂迷茫,鼻子优美高挺,嘴角翘起,噙着淡淡的微笑,脸庞如同雕像一般轮廓分明,十指纤细修长,优雅的不慌不忙的拨动着琴弦,音乐如水一般从闪耀着光芒的琴弦间流出;也许就是安徒生童话里走出来的那位活生生的普赛克,甚至都可以看到她的两只透明的翅膀随着音乐扇动着。

The specific properties of materials, such as the palate adhesion, dynamic cruor, anti-bacterial and the degradability of lysozyme, were studied, which provide valuable data for further application. The main creative ideas are listed as follows:(1) The water-retention chitosan/poly vinyl alcohol blend fiber was obtained by coagulating in 10% NaOH/ethanol solution, and the blend and crosslink due to GA can enhance the mechanical properties of fiber;(2) The controlled degradable chitosan/gelatin blend fiber was obtained by solution filature, and the mechanical properties were improved;(3) The N-acylchitosan with the different degree of substitution were successfully prepared, and the relationship between structure and properties was estabilished;(4) By a new solvent system of 6% NaOH/4% urea for cellulose, the blood anti-coagulant function films were prepared by blending cellulose with chitin;(5) In the same solvent system above mentioned, the anti-bacterial blend films based on cellulose and carboxymethyl-chitosan were prepared, and the relationship of DS and the anti-bacterial property was concluded;(6) The controlled degradable chitosan films was obtained by the chemical crosslink.

本论文的主要创新点:(1)以NaOH水溶液/无水乙醇为凝固液,采用溶液纺丝法制备出保水性壳聚糖/聚乙烯醇纤维,共混和戊二醛交联极大提高了壳聚糖纤维力学性能;(2)用壳聚糖和明胶共混,以溶液纺丝法制备出可控降解的壳聚糖/明胶纤维,并大幅度提高了壳聚糖共混纤维的干、湿态抗张强度;(3)确立了不同取代度N-酰基壳聚糖的合成方法及其膜的结构与性能的关系;(4)利用纤维素新溶剂6%NaOH/4%尿素制备出抗凝血性纤维素/甲壳素共混膜;(5)利用上述纤维素新溶剂制备出抗菌性纤维素/羧甲基壳聚糖共混膜,揭示了羧甲基壳聚糖取代度与抗菌性能的关系;(6)制备出可控降解壳聚糖交联膜。

Samples of the equilibrium solid phase in Rb_2SO_4-PEG4000-H_2O system at 25 ℃ analyzed by TGA showed that they consisted of anhydrous salt. Six zones were observed in the complete phase diagram. They are L, L+L, L+S, 2L+S and L+2S, respectively. The binodal curves were given using a four-parameter equation y = a + bx~(0.5)+cx+dx~2. The tie lines were correlated by the Othmer-Tobias and Bancroft equations.

同时我们用热重分析仪对Rb_2SO_4—PEG 4000—H_2O三元体系在25℃时的平衡固相进行分析,发现在实验研究的温度范围内,体系的平衡固相均为无水盐,且在体系的完整相图中,观察到六个相区,分别为L,L+L,L+S,2L+S和L+2S相区,即非饱和的单液相区,非饱和的双液相区,饱和的单液相区,饱和的双液相区和两种固相(Rb_2SO_4,PEG 4000)存在的饱和单液相区。

The preparation of the membrane is that the phthalazine polyether-sulfone-ketone polymer is mixed with chloroform, Ethanol or butanol according to certain quality proportion; after the magnetic stirring, the evenly mixed casting solution is obtained, filtered and carried out with vacuum deaeration; The casting solution is scraped into membrane of certain thickness on the non-woven fabric by adopting the scraper; the membrane is standed for 24 hours in the air of certain humidity and temperature to obtain the plate ultrafiltration membrane of phthalazine polyether-sulfone-ketone.

本发明公开了属于高分子膜分离技术领域的一种二氮杂萘聚醚砜酮类聚合物平板超滤膜的制备方法,所述膜的制备方法为:用二氮杂萘聚醚砜酮类聚合物与氯仿、无水乙醇或正丁醇按照一定的质量比混合,磁力搅拌后得到混合均匀的铸膜液,过滤并真空脱泡;将铸膜液采用刮刀在无纺布上刮制成一定厚度的膜,该膜在一定湿度和温度的空气中静置24h后即得到二氮杂萘聚醚砜酮类平板超滤膜。

Kaadu are swift-footed scaly-skinned wingless avians with strong legs and smooth bodies. Like their Gungan masters, they have duck-billed snouts, colorful skin and aquatic ancestry.

卡杜兽是步履飞快、皮肤有鳞、没有翅膀的鸟类,有著强壮的双腿和平滑无毛的身驱,就像它们的刚耿主人一样,有著鸭嘴状的口鼻部、色彩丰富的皮肤和水栖的祖先。

China is the use of a single card printing equipment for more than Germany and Japan anhydrous Offset single card, which is usually used with different Offset, a special edition of the resin in the printing process of the non-use of Fountain Solution, nor ink imbalance in the quality of the printed interference can better control of color, the color print consistency better.

国内现使用的单卡印刷设备多为德国和日本的无水单卡胶印机,它与通常使用的胶印机不同,采用特殊的树脂版,在印刷过程中不使用润版液,所以也不存在水墨不平衡对印刷品的品质干扰,能比较好的控制色差范围,印刷品的颜色一致性较好。

Since, water-free DCP is a valuable chemical intermediate, its quantitative recovery from effluent gases of the PO synthesis instead of simple combustion is economically advantageous.

因为,无水DCP是一个可贵的化工中间体,它的从PO综合的废气的定量补救而不是简单的燃烧的是经济上有利的。

The results show that with the increase of deformation strains and thinning of Fe-Cr fibers, the saturation magnetization are about 140 A·m2/kg constantly, and the remanent magnetism and coercivity increase gradually.The magnetic properties of Fe-Cr fibers are invariant when the Fe-Cr fibers were preserved in absolute alcohol or air for more than 1 a. After Fe-Cr fibers heated in air at temperature higher than 300 ℃ for 1 h, the Fe-Cr fibers transform from ferromagnetic α-solution to paramagnetic2O3, and the saturation magnetization of samples decreases remarkably. With the increase of deformation strains, the thermal stability of thinner Fe-Cr fibers decreases.

结果表明:随着变形量的增大和Fe-Cr纤维的细化,纤维的饱和磁矩基本恒定(约140 A·m2/kg),而剩磁和矫顽力则逐渐增加; Fe-Cr纤维在无水乙醇和空气中储存一年以上,磁性基本保持不变; Fe-Cr纤维在空气中经300 ℃以上加热1 h后,逐渐由铁磁性的α-固溶体转变为顺磁性的2O3,饱和磁化强度显著下降;且随着变形量的增大,较细Fe-Cr纤维的热稳定性较差。

A process for making an electronic device which comprises applying a nonaqueous plate-resistant ink by ink jet printing to selected areas of a dielectric substrate, optionally laminated with an electrically conductive metal, exposing the plate resistant ink to actinic and/or particle beam radiation to effect polymerisation, adding one or more metal layers by electrolytic or electroless deposition, the upper layer of which is an etchresistant metal, removing the polymerised plate-resistant ink with alkali and finally removing the electrically conductive metal which are optionally directly laminated to the dielectric substrate and not protected by an upper layer of etch-resistant metal by chemical etching wherein the plate-resistant ink is substantially solvent-free and comprises: A 30 to 90 parts acrylate functional monomers free from acid groups comprising mono- or higher functionality wherein 5 to 95% by weight are mono-functional monomers; B 1 to 30 parts acrylate functional monomer containing one or more acid groups; C 0 to 20 parts polymer or prepolymer; D 0 to 20 parts radical initiator; E 0 to 5 parts colorant; F 0 to 5 parts surfactant; and where the ink has a viscosity of not greater than 30 cPs at 40 DEG C and all parts are by weight.

一种制备电子装置的方法,所述方法包括以下步骤:通过喷墨印刷在任选层压了一种或多种导电金属的介电底材的选定区域涂覆非水的阻沉积油墨,将所述阻沉积油墨暴露在光化辐射和/或微粒束辐射中以完成聚合,通过电解沉积或无电沉积增加一层或多层金属层,其中最上层的金属层为一种或多种阻蚀刻金属,用碱除去聚合的阻沉积油墨,最后通过化学蚀刻将任选直接层压在所述介电底材上并且不被一种或多种阻蚀刻金属的上层保护的导电金属除去,其中所述阻沉积油墨基本不含溶剂,并且包含以下组分:A30-90份不含酸基团的丙烯酸酯功能性单体,所述单体包括单官能或多官能单体,其中5-95%重量为单官能单体;B1-30份包含一个或多个酸基团的丙烯酸酯功能性单体;C0-20份聚合物或预聚物;D0-20份自由基引发剂;E0-5份着色剂;和F0-5份表面活性剂;其中所述油墨的粘度在40℃下不高于30cPs,并且所有的份数以重量计。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。