混

BKD-1 which was synthesized in the laboratory is an effective coagulator for the leachate to decrease COD、color and odor, and the sediment velocity is fast. The function of the-OH group was identified by IR. Fenton, the reagent was studied systematically for leachate processing; Activated charcoal acts as a catalyst in the oxidation-reaction.

本研究采用自行研制高效混凝剂—BKD-1预处理渗滤液效果明显好于其它常规无机混凝剂和有机絮凝剂PAM，COD和色度去除率较高，絮体沉降快，采用红外光谱分析表明羟基架桥作用是该混凝剂混凝的主要机理之一。

The blend has following properties with 10 parts compatibilizer. The tensile intensity and elongation at break reach 35.66MPa and 23.58%, respectively, improving by 26.6% and 65.7% respectively compared with 0 part compatibilizer; The characteristic absorption peak of carbonyl at 1725～1800cm-1 disappear and the characteristic absorption peak of hydroxide at 3438～3440cm-1 increase induce the formation of hydrogen bond; The decalescence peak of blend increase by 2℃compared with the blend containing 0 part compatibilizer near 100℃; Lignin can be dispersed homogeneously to avoid reuniting of lignin particle.

2当共混材料中增容剂含量为10份时，共混材料表现出如下特性：拉伸强度和断裂伸长率分别达到35.66MPa及23.58%，较未加增容剂分别提高了26.6%和65.7%；从1725～1800cm-1范围内羰基特征吸收峰接近消失以及3438～3440cm-1范围内的羟基波数的增加暗示了共混材料中氢键缔合的发生；共混物在100℃附近的吸热峰较未加增容剂时降低了近2℃，相容性得到了提高；木质素在基体中进一步分散，结晶度增加，从而阻止木质素的团聚，增加了两相的相容性。

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。

Self-made PSFA under the optimum conditions was used in the treatment of single practical water sample. Experimental results show that PSFA has better coagulation property than that of traditional coagulants Fe2(SO4)3 and Fe2(SO4)3 together with coagulant aid polysilicic acid;and the dosage of PSFA is less. The coagulation mechanism of PSFA was also discussed in this paper.

用PSFA混凝剂处理实际水样，并与单独投加混凝剂硫酸铁及硫酸铁加助凝剂聚硅酸效果进行了比较，结果表明，PSFA混凝剂的效果最好，而且用药量少；同时还对PSFA混凝剂的混凝机理进行了讨论。

Collagen-chitosan-polyvinyl pyrrolidone blend film s were prepared successfully by solution method,and characterized by FT-IR,X-ray diffraction and optical transmittance.

利用溶液共混法成功制备了新型生物膜材料——胶原蛋白—壳聚糖—聚乙烯吡咯烷酮共混膜，通过红外光谱、X-射线衍射和透光率测试表征了共混膜的结构，同时测定了共混膜的力学性能，考察了溶液pH值对共混膜吸水率的影响。

The results show that molecules of PEO〓 have priority to locate at the interface of PVF〓/PVC to reforce their interaction when content of PEOx was less than saturated concentration in the interface , and PEOx joined into the PVF〓 phase and /or the PVC phase; the particles size of dispersed phase, PVC, became larger when C was more than Cs; the blend became miscible when C was much more than Cs.

结果表明，aPS与sPS的非晶区相容，共混物中不存在aPS的独立相区；共混物的熔点及长周期不随共混物aPS含量的变化而有所改变；sPS的纤晶结构单元没有变化，共混物结晶度下降，aPS处于sPS的纤晶之间；sPS为α-晶型，其晶胞结构参数在共混前后不变，aPS没有进入到sPS的晶胞中。

Based on this relationship, we can change the Tg of starch by changing its molecular weight to meet the pratical needs.The DSC technique is used to estimate the consistence character of starch with different additives. The glass transition behavious of starch blended with water and Xanthan gum are examined respectively. An expirical expression is obtained for the Tg of starch blendee with additives according to the blending model of polymers and verified with the experimental results. This expression can be used as a base to predict the Tg of starch blended with Xanthan gum.

采用DSC曲线分析法进行了各种填加剂与淀粉的相容性试验，考察了淀粉分别与水和黄原胶共混后体系的玻璃化转变行为，并根据高分子聚合物的共混模型对糯米淀粉与黄原胶共混物的玻璃化转变进行拟合，得到适用于此体系的经验关联式，并应用玉米等淀粉与黄原胶共混后的实验值进行验证，得到该关联式的有效性，为预测淀粉与黄原胶共混后的玻璃化温度值提供了理论依据。

The types of gas premixing devices and gas premixing combusting systems are presented,with great attention to the optimal design and tests of the gas premixing combusting systems for the heating systems of glasswool forming centrifugal machine and glass supply channel.

系统地介绍了燃气全预混混合器的种类和预混燃烧系统的各种类型，重点叙述了用于玻璃棉成形用离心机加热系统和玻璃料道加热系统的燃气预混燃烧系统的优化设计与调试情况，对预混燃烧技术进行了全面回顾，简要地分析了燃气预混燃烧技术的应用前景

The trial results by statistic analysis show that the fertilizer effect of organo-inorganic compound fertilizer is nearly same to that of inorganic compound fertilizer, the fast release of commercial organic fertilizer is also similar to that of chemical fertilizer.

通过茄子在无肥、商品有机肥、无机复混肥和有机无机复混肥4处理的一次基肥使用试验，对产量、开展度、花蕾数、结果数和单果量考察和统计分析反映出：有机无机复混肥与无机复混肥的肥效基本相同，商品有机肥似具有与化肥一样的速效性，要使有机肥发挥肥效，只有增加有机肥使用量，不能期望通过有机无机复混肥中加入少量有机肥来体现有机肥的肥效。

With the contrasts of such 4 means as no fertilizer, commercial organic fertilizer , inorganic compound fertilizer and organo- inorganic compound fertilizer, base fertilizer trials on eggplant are carried out from such factors as yield, spreading, alabasturum number, fruit-bearing number and monothalamic fruit weight etc.

通过茄子在无肥、商品有机肥、无机复混肥和有机无机复混肥4处理的一次基肥使用试验，对产量、开展度、花蕾数、结果数和单果量考察和统计分析反映出：有机无机复混肥与无机复混肥的肥效基本相同；商品有机肥似具有与化肥一样的速效性；要使有机肥发挥肥效，只有增加有机肥使用量；不能期望通过有机无机复混肥中加入少量有机肥来体现有机肥的肥效。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。