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To demonstrate its feasibility, MD-SPME was compared to the conventional method, steam distillation.

本论文用该方法研究了益智和鱼腥草两种天然植物精油，优化了微波辅助-固相微萃取的萃取参数如萃取头选择、微波功率、微波照射萃取时间和解析时间，研究结果与水蒸气蒸馏方法基本一致。

Locust bean and guar gums enhanced resistant starch content compared to gum arabic due to their glycosidic linkages and viscoelastic properties. The difference between locust bean and guar gums is ascribed to the low average length and frequency of unsubstituted mannose sequence in locust bean gum.

与阿拉伯胶相比，刺槐豆胶和瓜尔豆胶在增加抗性淀粉含量方面效果更显著，这主要归功于他们的糖苷键连接和粘弹性质瓜尔豆胶和刺槐豆胶的效果差异主要是源于刺槐豆胶中未取代的甘露糖链的平均长度以及频率更低一些。

To overcome the drawbacks in the weight and cost of the antenna with the corrugated soft surface, a new patch antenna with patch rings is designed. Its weight is about 1/4 less than the antenna with the corrugated soft surface and it is inexpensive. Good experimental results are obtained. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. In conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic-bandgap structures.

为了克服皱褶软表面天线份量重，加工费用贵等缺点，我们对空气介质的皱褶圆环结构软表面天线进行了改进，将周期分布的皱褶圆环平面化，并保持结构的软表面特性，设计出了一种新的平面圆环结构的软表面天线并进行了实验研究，加工的平面圆环结构天线比皱褶圆环结构天线重量减轻了约1/4，加工费用大大降低，所取得的实验结果显示，该平面圆环结构软表面天线的方向图的轴对称性得到了改善，在俯仰角从0°～-90°的范围内天线H面的波束与E面重合，与皱褶圆环结构相比，天线的旁瓣和背瓣受到了更大的抑制，E面方向图上+120°方向的旁瓣被明显削弱。

Compared to the media such as television and newspaper advertising, the sky lanterns, and people will be able to vivid impression, and reduce costs and promote corporate image.

相对于媒体广告如电视和报纸，天空的灯笼，才能让人们生动的印象，并降低成本，促进企业形象。

Through efforts made by folk artists in Lhasa, the singing and dancing art was later performed to the accompaniment of a band composed of bamboo flute, six-stringed musical instrument, yangchin,jinghu and strings of bells, compared to performance performed to the accompaniment of a six-stringed musical instrument only in the past.

在它的流传过程中，经过拉萨的民间艺人不断创作改编，发展并扩大了原来乐队的形式，由原来只用六弦琴伴奏逐步演变为现在的包括以竹笛、六弦琴、扬琴、京胡、串铃等乐器进行伴奏的歌舞形式。

Some fans compared to the use of single-wheel structure, plus the block method, activities, paddle-style changes such as a passive moment to reduce the design of the impeller rotation reset resistance reflects the active use of wind characteristics.

相比有些单轮式结构风机中采用外加的遮挡法、活动式变桨矩等被动式减少叶轮回转复位阻力的设计，体现了积极利用风力的特点。

Crystal red shrimp are pretty easy to keep, but they will do much better if you do a few things differently compared to cherry shrimp.

红水晶虾是很容易保持，但他们会做得更好，如果你做一些不同的事情相比，樱花虾。

Compared to the mainstream concepts of public administrator, this endeavor is to"no it was, yes it not", aimed at restoring its"should-be"as a kind of special value-being.

就历史以及当下的主流行政人观念与/或现实而言，这种努力基本上是在&是其所非，非其所是&，意在恢复行政人作为一种特殊的价值存在的应当地位。

Level 3 Magnetic Satellite takes a while to get up and running but is very large, lasts a while, and moves very quickly compared to the short-lasting level one version.

三级的磁力卫星需要比较长的时间启动，不过它的范围非常大，时间也很长，并且比起一级卫星来移动的非常迅速。

Compared to ordinary securities trading, in addition to bonds, the financing margin trading there are several different points - the subject of different investments, the need to create a dedicated account, margin selling price restrictions.

相比普通的证券买卖，除了债券，融资融券有几个不同点-不同的投资主体，有必要建立一个专门的帐户，保证金销售价格的限制。

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。