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Objective:To produce low-sugar and high-moisture preserved pachyrhizus; Methods:The relationship of moisture and water activity, numbers of bacterial and mildew were researched. Then water activity was reduced by chitosans with different viscosity-average molecular weights; Results:The number of mildew was a major microbial index of quality-maintaining duration of product. The lower viscosity-average molecular weights of chitosans was, the more water activity reduced; Conclusion:When 9 kD molecular weight,...

目的：为生产低糖、高水分含量番薯果脯；方法：研究果脯中水分含量与水分活度的关系及细菌总数和霉菌数在保温试验中的变化，并采用不同黏均分子量的壳聚糖降低果脯的水分活度；结果：果脯中霉菌数是影响产品保质期的主要微生物指标，壳聚糖的黏均分子量越低，降低水分活度的幅度越大；结论：通过添加0.5%、9kD黏均分子量的壳聚糖，产品水分含量为20%、总糖为26%时，番薯果脯常温放置保值期达到12个月。

It also widespread exists in the pericellular membrane of some fungus,insects,and algae,and in the cell walls of the advanced plant.The chitosan is the result of chitosan's dis-ethanoyl.

通过将甲壳素脱乙酰化可制得壳聚糖，壳聚糖是天然糖中唯一大量存在的碱性氨基多糖，其降解产物低分子量壳聚糖更是具有许多特殊的物理化学性质和生理功能。

The EC 50 of oligo-chitosan to Phomopsis asparagi Bubak, Fusarium oxysporum Schl.

室内用壳聚糖氧化降解法得到了壳低聚糖，并采用HPLC方法分析了壳低聚糖的聚合度。

METHODS: 15 g/L silk fibroin solution was made by degumming, salvation and dialysis. Chitosan was dissolved in 2% acetic acid solution to prepare 25 g/L chitosan-acetic acid solution. Two solutions were mixed to prepare six silk fibroin/chitosan solutions, and mass ratio was 10: 0, 5: 5, 4: 6, 3: 7, 2: 8, 0: 10. These solutions were separately sucked in a 24-well plate. Following exhausting gas vacuole at 4 ℃, precooling was performed at -20 ℃ for 12 hours, followed by cryodesiccate for 30 hours.

通过脱胶、溶解、透析这3个主要步骤制成质量浓度为15 g/L的丝素溶液，将壳聚糖溶解在2%的醋酸溶液中制成25 g/L的壳聚糖-乙酸溶液，然后将两者混合，配制成丝素/壳聚糖质量比分别为10∶0，5∶5，4∶6，3∶7，2∶8，0∶10的6种溶液，分别吸入24孔板中，4 ℃排出气泡后，-20 ℃预冷冻12 h，再冷冻干燥30 h。

The six kinds of nanoparticles water dispersion were as follows:rotenone/carboxymethyl chitosan-grafted-ricinoleic acid(Rot/CMC-g-RA), azadirachtin/carboxymethyl chitosan-grafted-ricinoleic acid(Aza/CMC-g-RA),capsaicin/ carboxymethyl chitosan-grafted-ricinoleic acid(Cap/CMC-g-RA),rotenone/ricinoleic acid sodium,capsaicin/ricinoleic acid sodium,azadirachtin/ricinoleic acid sodium.

分别为：鱼藤酮/羧甲基壳聚糖接技蓖麻油酸共聚物(Rot/CMC-g-RA)、辣椒碱/羧甲基壳聚糖接技蓖麻油酸共聚物(Cap/CMC-g-RA)和印楝素/羧甲基壳聚糖接技蓖麻油酸共聚物(Aza/CMC-g-RA)纳米粒子水分散制剂，以及鱼藤酮/蓖麻油酸钠、辣椒碱/蓖麻油酸钠和印楝素/蓖麻油酸钠纳米粒子水分散微乳液。

The method according to claim 6, for manufacturing a blade wherein a part external to the shell comprises a blade rooting part having at least one attachment bar, in which an end portion for linkage to a hub of said rotor is fitted with a laminate attachment, also comprising thermoplastic composite, and extending said at least one spar bar housed in the shell, the method further comprising the step of producing the elementary piece comprising the at least one spar by producing each attachment bar and the spar bar in the form of a strip of continuous and unidirectional reinforcing fibres which are agglomerated by said thermoplastic matrix, obtained by pultrusion at a melting temperature of the matrix, of several plies of continuous and unidirectional fibres which are agglomerated by said matrix, and, if said rooting part comprises at least two attachment bars, each one of which respectively extends one spar bar, in superimposing parts of corresponding strips forming the spar part housed in the shell, with interposition of at least one ply of continuous and unidirectional fibres which are agglomerated by said matrix between the adjacent superimposed strip parts, and fitting a removable tool, in the shape of a wedge, between parts held spaced from each other of two neighbouring strips, to form two attachment bars of the rooting part, then arranging the strips in a mould, and inserting each linkage end portion of a pultruded strip between two laminate elements of the attachment, to superimpose all the laminate elements of the attachment, closing the mould and compacting its contents under pressure and at a melting temperature of said thermoplastic matrix, and solidifying the matrix by cooling to rigidify the spar thus obtained with the laminate attachment solidly attached to its rooting part.

该方法根据索赔六，制造业刀片其中的一部分，罐壳外部包括一个叶片生根的一部分，拥有至少一个实习酒吧，在其中一结束部分为联系枢纽的说，转子是带有附件的层压板，也包括热塑性复合材料，并延长说，至少有一石酒吧住在蚬壳公司，进一步组成的方法步骤，生产初级一块组成的至少有一个SPAR公司生产每个附件的酒吧和酒吧在SPAR公司的形式，带不断加强和单向纤维是由烧结说，热塑性矩阵，得到的拉挤在熔化温度矩阵，数层的连续和单向纤维是由烧结说，矩阵，如果说，生根部分组成，至少有两个实习酒吧，每个人都分别延长一石酒吧，在叠加部分，相应的带形成的SPAR公司的一部分，居住在蚬壳公司，与干预的至少有一单层连续和单向纤维是由烧结说，矩阵之间的毗邻叠加条形零件，及装修一个可移动的工具，在形状，离间，部分之间举行的间隔从对方的两个邻国带，形成两个附件酒吧的生根部分，然后安排带在一个模具，并插入每个联系年底部分一拉挤带之间的二板的要素扣押，叠加所有层压板的要素扣押，关闭模具和压缩其内容的压力下和在熔化温度说，热塑性矩阵，并巩固矩阵冷却 rigidify该SPAR公司，从而获得与层压板的附着牢固重视其生根的一部分。

Under the condition of different chitosan concentration, pH and temperatures, adopt the spectrophotography to measure adsorb after the concentration of the dye, got the best condition of adsorb of chitosan to dye, result is:The amount of devotion of the chitosan is within the scope of the red 3B are 2%, blue 2BG and yellow 3GE are 3%, pH8.4 at alkaline, the temperature is the best for 50℃.

在不同的壳聚糖浓度、 pH 和温度条件下，采用分光光度法测得吸附后染料的浓度，得到了壳聚糖对染料的最佳吸附条件，结果为：壳聚糖的投入量在红3B 为2%，兰2BG 和黄3GE 为3%时， pH8.4在碱性范围内，温度为50℃效果最佳。

The hydrophobic core serves as a reservoir for water-insoluble drugs.Hence,these nanoparticles can be used as carriers for hydrophobic drugs.For the synthesis of cholesterol-modified glycol chitosan conjugates,a carboxyl group was initially introduced to cholesterol molecule using succinic anhydride,and then covalently coupled with the primary amino group of glycol chitosan in the presence of 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride and N-hydroxyl succinimide.

本文采用二步反应将胆固醇接枝到乙二醇壳聚糖，首先将胆固醇进行羧基化，将胆固醇与琥珀酸酐反应生成胆固醇半琥珀酸酯，然后用1-乙基-3-(3-二甲基氨丙基)碳二亚胺盐酸盐与N-羟基琥珀酰亚胺作为偶联剂，将胆固醇半琥珀酸酯的羧基与乙二醇壳聚糖主链的氨基进行反应，得到胆固醇疏水改性乙二醇壳聚糖共聚物。

Effect of chitosan on different types of Zizania caduciflora: In seedling phase of Zizania caduciflora, the chitosan of 30mg/L, 45mg/L, 60mg/L are used to the 0501 which is harvested once a year and the 0505 which is harvested twice a year.

壳聚糖对不同品种的茭白生育的影响：选用单季茭0501和双季茭0505为试验材料，以30mg/L、45mg/L、60mg/L的壳聚糖在苗期喷施处理一次，研究壳聚糖对不同品种类型的茭白生育的影响。

It is found that for the same volumetric flow rate, the pressure drop in the shell side of the curved baffle heat exchanger is remarkably lower than that of the traditional one. And the pressure drop percentage deceases even more for a smaller curvature radius of the curved baffle and height of the baffle cut.

结果发现：在流量一定的情况下，曲面弓形折流板换热器的壳程压力降明显低于普通弓形折流板换热器的壳程压力降，而且随着曲面折流板曲率半径和折流板圆缺口高度的减小，曲面弓形折流板换热器的壳程压力降降低的百分比增大。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。