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The cannas natural antistaling agent is separated by column separation methods and recrystallization. Fraction Ⅱ-2 is analyzed by GC-MS. Three compounds which are n-Octadecane, n- Heptacosane and Decanoic acid heptyl ester were identified.A new way of litchi preservation is provided in this paper.

本论文还对此美人蕉天然保鲜剂进行了分离研究，先对其乙醇提取物进行柱层析粗分，然后对组分Ⅱ进一步细分，对其中的组分Ⅱ-2进行了GC-MS分析，鉴定出3个物质，它们分别是正十八烷(n-Octadecane)、正二十七烷(n-Heptacosane)和癸酸庚酯。

Under the way of resource management,the relation between product family and resource is established by reference and classification code. And product instances,which are formed by product configuration,get their attributes and links with inheritage mechanism.

研究了在这种资源管理方式下，产品族通过引用关系和分类代码与资源建立关系；产品实例在产品族基础上通过配置器产生并通过继承机制获得相关属性和连接。

Under the way of resource management,the relation between product family and resource is established by reference and classification code. And product instances,which are formed by product configuration,get their attributes and links with inheritage mechanism. The customization workflow is discussed based on above product information management.

研究了在这种资源管理方式下，产品族通过引用关系和分类代码与资源建立关系；产品实例在产品族基础上通过配置器产生并通过继承机制获得相关属性和连接。

Intratympanic administration is better than that by stomach intestine or vessel,which can result in high accumulated concentration in endolympha and perilympha by directly entrying inner ear and get out of the way of blood-labyrinth barrier.

鼓室用药优于胃肠或静脉给药，可避开血-迷路屏障直接进入内耳使得内、外淋巴液中的药物浓度较高；同时避免了全身用药的不良反应。

Results show that there is remarkable correlation between the land use types and SOM. From1981 to 2000, the content of SOM increased in the whole area mainly because of the transformation from virgin grass land to cultivated land and increase of irrigable land. The average content of SOM increased by 28% and increased from 9.64 g/kg to 12.35 g/kg. Then the household changed their land use way by driven of interest and do not increase additional input anymore.

研究结果表明：土地利用类型及土地利用方式的转换对土壤有机质含量产生重要影响。1981～2000年，荒草地向耕地的转换以及因灌溉设施的完善而引起水浇地面积的增加使得整个研究区域土壤有机质含量普遍增加，有机质含量平均值从9.64 g/kg增加到12.35 g/kg，增加了28％；在利益的驱使下，农户改变了土地利用方式，不再向种植粮食作物的土地追加投入，研究区域土壤有机质含量平均值由12.35 g/kg降低到11.46 g/kg（2000～2006年）。

In this article, high-pure lactic acid and ethanol acid were used to synthesized PLGA by direct condensation polymerization, and zinc octanoate of low nocuity was used as katalyst, instead of stannous octanoate to synthesize PLGA by the way of opening ring.

本文首次采用高纯度乳酸、乙醇酸直接缩聚合成无催化剂的端羧基PLGA，并分别采用了低毒性辛酸锌代替辛酸亚锡为催化剂通过开环聚合法合成端羧基／酯封端PLGA。

The usual way of loot sharing is as follows. Large amounts of money are mandatorily collected as taxes by the democratic government from the citizens who work hard to make money, which then will be distributed like loots by the representatives of various interest groups exercising their power and influence in the parliament.

通常的分赃形式是这样的：民主政府强制性地从辛苦工作挣钱的公民那里收取了大量的税金，然后各种利益集团的代表就开始利用其能量和影响力在国会分赃。

Results showed that the kinetics of photocatalytic degradation of ethylene by TiO2/ACF desoposited Pt in the simulated cold storage environment for horticultural products could be described using the pseudo first-order equation. The prepared TiO2/ACF-Pt, in the process of which Pt was initially deposited on the surface of ACF and then TiO2 was coated, would promote the activity of ethylene decomposing. When ion sputtering time was 60 seconds (Pt/Ti atomic concentration ratio was 0.112), the apparent rate constant of the reaction of TiO2/ACF-Pt was 1.16 times as much as that of TiO2/ACF. The micrographic structure of ACF was not damaged and an excessive porous structure, which was contributive to absorbing the diluted ethylene, was obtained by the way of ion sputtering Pt.

结果表明：在模拟园艺产品冷藏环境中，TiO2 /ACF-Pt光催化降解乙烯的动力学可用表观一级速率方程来描述；ACF表面先溅射沉积Pt，再进行TiO2附着方案，能提高降解乙烯的能力，当溅射时间为60 s（Pt/Ti原子浓度比为0.112）时，表观一级速率常数是未溅射Pt的1.16倍；TiO2/ACF-Pt的制备方法，对ACF形貌结构没有破坏，并能得到有利于对微量乙烯的吸附的多孔结构。

The intensity and way of the cold high atmospheric pressure center,Ф568 (the latitude at the nodical point of the 5680 geopotential meter line with the 120°E line in the 500hPa high altitude) and Ф850(the latitude at the nodical point of the 0℃ temperature lute with the 120°E line in the 850hPa high altitude) were closely related to the minimum temperature. The equation of short-term forecast of low temperature weather for Fuzhou, Xiamen and Shaowu was established by stepwise regression analysis. The detemperature rate was estimated by cloud cover, wind velocity, humidity (N20, F20, U20) at 20:00 o'clock.

通过对历史资料分析，利用逐步回归分析方法分别建立了福州、厦门和邵武三个探空站最低气温t的短期预报方程，再利用各地当晚20时的云量、风速、湿度(N20、F20、U20)值估算当晚的降温幅度、进一步对最低气温t进行短时临近预报，然后结合各地果树主栽品种及其抗低温冻害指标、及时发布低温冻害预警预告，构成了福建省冬季果树冻害低温预报预警模式。

We're joined by members of Congress who work every day to help their constituents realize the American Dream, and whose life stories reflect the diversity and equal opportunity that we cherish as Americans: Nydia Velazquez, who is also, by the way, the chairwoman of our Small Business Committee in the House of Representatives.

今晚在坐的还有我们的国会议员，他们每天都在努力帮助自己的选民实现美国梦，他们的个人经历也反映了我们作为美国人所珍视的多元化和平等机会：妮蒂亚。维乐贵斯

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。