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Sion making. Despite the complaints of the study participants, NEPA has been emulatedby more than 25 states and over 80 countries around the world.

更好的决策的工具尽管研究者有一些不满,但是在全国范围内已超出25个州,在世界范围内有80多个国家在

The NZX Agri-businesses comprise NZX Agrifax, an agricultural pricing and information service, Dairyweek, a weekly dairy industry news abstract service, Profarmer Australia, a grain pricing and information service, Newsroom, an online provider of subscription customised news feeds and a publishing arm which produces a range of rural titles and subscription based magazines including The NZ Farmers Weekly, Country-Wide North, Country-Wide South, Heartland Sheep, Heartland Beef, NZ Dairy Exporter, Deer Farmer and Young Country.

在新西兰证券交易所农业企业包括新西兰证券交易所Agrifax,农业价格和信息服务,Dairyweek,每周乳品行业新闻抽象服务,职业农场主澳大利亚的粮食价格和信息服务,新闻,新闻的定制网络供应商订购饲料和出版部门其产生的冠军,农村订阅的杂志,包括一系列的新西兰农民周刊,在全国范围内北,在全国范围内南羊中心地带,中心地带牛肉,新西兰乳品出口商,鹿农民和年轻的国家。

Crystallization behavior of undrawn and hot drawm PET film with random orientation in chain segments and high orientation in the global sense has been compared using SAXS and WAXD.

采用小角和广角X-散射法比较了未拉和热拉PET膜在结晶性能方面的差别,热拉试样在分子链段的小尺度范围内基本上是无规取向,而在分子链的大尺度范围内却是高度取向的。

Simulative results show that the electron beam can be transported in the unmagnetized plasma-filled for two reasons. The first, the plasma neutralizes the majority of the space charge forces within the beam. The second, radial electric field generated by electron beam interaction with the plasma leads the beam to converge along axis. By PIC simulation, we find that atomic mass of the background ion effects on the Characteristics of the plasma-filled devices.

非磁化等离子体填充的RBWO-FEL的模拟表明只有在一较窄的背景等离子体密度范围内,电子注才能良好传输,产生泵波及激光功率输出,并都存在有峰值功率点,同实验观测到的结果完全吻合;该范围内,电子注的传输是由于背景离子中和了注中径向发散空间电荷力及注在等离子体中产生的径向的电场使注在轴向汇聚。

Compared to other means,using Hore component to measure the displacement of object has some advantages including smaller transient response,better dynamic properties,non-contact and higher accuracy of measurement. However,the magnetic field produced by common magnet can keep the gradient unchanged only in a small area.

然而,一般磁场只可能在极小的范围内保持均匀梯度,若要求在大范围内保持均匀梯度,其磁场结构复杂、体积庞大,在很大程度上限制了霍尔元件测量位移的应用。

RESULT: The K or K of laetrile, paeoniflorin and paeonol had no significant difference at concentration of 19.2~304.8, 18.4~329.5 and 7.8~125 μg/mL respectively or in four different regions of rat intestinal tract, the absorption quantity of laetrile, paeoniflorin and paeonol was proportional to its concentration respectively and the phenomena were not observed saturable. Except for Paeonol, the K and K of laetrile and paeoniflorin had no significant difference at pH value 5.0~7.4. The K or K of laetrile and paeoniflorin from the extration which contains one kind of active components was significantly less than that of same components from GuizhiFuling Capsule content.

结果:苦杏仁苷、芍药苷、丹皮酚分别在19.2~304.8、18.4~329.5、7.8~125 μg/mL浓度范围内,吸收量与浓度呈线性关系,无高浓度饱和现象,K、K值基本保持不变;除丹皮酚外,在pH 5.0至pH 7.4范围内苦杏仁苷、芍药苷的吸收不受pH影响;3成分在各肠段的K、K均无明显差异;仅含有上述3成分中一种成分的各个提取物的苦杏仁苷、芍药苷的K、K值显著小於由配方药材提取得到的胶囊内容物的相应成分的K、K值。

Nanostructured ZnO films with grain size of 28~35 nm have been prepared on quartz glass substrates by pulse laser ablation of Zn target in oxygen atmosphere. The structural and optical properties of the films were studied. ZnO thin films with typical c-axis (002) orientation were successfully deposited at a range of 100~250 ℃. The results obtained by X-ray diffraction and photoluminescence measurements show that the strong UV emission centering is about 378~385 nm and deep-level emission centering about 518~558 nm in the room temperature PL spectra of the ZnO films.

利用脉冲激光沉积法在氧气氛中烧蚀锌靶制备了纳米晶氧化锌薄膜,衬底为石英玻璃,晶粒尺寸约为28~35 nm.X射线衍射结果和光致发光光谱的测量表明,当衬底温度在100~250 ℃范围内时,所获得的ZnO薄膜具有c轴的择优取向,所有样品的强紫外发射中心均在378~385 nm范围内,深能级发射中心约518~558 nm,衬底温度为200 ℃时,得到了单一的紫外光发射。

Analysis indicates that there is little difference in the displacement of tunnel and well control of stratum displacement by both methods. Plastic zone develops more obviously above the tunnel side by CRD method and is larger by CRD method than by dual sidewall guide pit method. It is comparatively obvious that the plasticity district develops in the side direction of the tunnel by dual sidewall guide pit method and the leading influence distance is also longer than that by CRD method. The development speed of plasticity district is comparatively fast in the range of the leading 3~6 m in CRD tunnel and 0~3 m in sidewall guide pit tunnel. There are different advantages by both methods for passing through sand layer.

结果表明,采用这2种工法时引起的隧道变形相差不是很大,都能较好地控制地层的变形;采用CRD法时产生的塑性区较双侧壁法大,且向隧道侧上方发展较为明显;采用双侧壁法时产生的塑性区在隧道侧向发展较为明显,超前影响的距离也大于CRD法;采用CRD法时的塑性区在超前3~6m的范围内发展速度较快;采用双侧壁法时的塑性区在超前0~3 m的范围内发展速度较快;对于隧道穿越砂层而言,2种工法各有优势。

The system uses PID controller and fuzzy controller to design automatic control loops, a study of fuzzy three-element feed-water control system for a CFB municipal waste incinerator is introduced. The incinerator is faced with problems such as large-scale fluctuation of furnace heat load and low regulation resolution of main control feed-water valve. The fuzzy logic control system is applied to modulate PI control parameters according to steam drum water level to fit fluctuated heat load, the inner and outer control loops are realized in an asynchronous way to effectively decrease regulation time and improve regulation precision.

针对垃圾炉炉膛负荷波动较大,同时给水调节阀门执行机构的调节精度较低的现状,在传统三冲量串级汽包水位控制方式的基础上,采用模糊控制策略对内、外串级回路的PI控制参数进行分区域调整,强调了PI参数在被控参量处于不同范围时的分离作用,同时内、外控制回路采用异步控制方式,浙江大学硕士学位论文从而有效地减小了被控参量的调节时间,提高调节精度,使水位波动控制在△为士12~范围内。

A flat high efficiency super-broadband source was presented. We achieved a C+L-band superfluorescent source, in the region from 1524. 0 to 1600.4nm, the power of the ASE are over -12. 0dBm and the ASE profile excursion is only ±1. 4dB in the region from 1539. 2 to 1600.4nm. The power of the ASE is 22. 1mW and the power conversion efficiency is 18. 8%. 9. The amplification characteristics of thulium-doped fiber amplifier had been studied using the basic theory for fiber amplifier. The connection between the Tm-doped fluoride fiber and silicon fiber was accomplished, and we studied the TDFA and the reason that the expecting results hadn't achieved had been analyzed. The assumption of the Er-Tm-co-doped silicon fiber had been presented, and we studied the Er-Tm-co-doped silicon in cooperation with the correlative corporation, some results had been got and the further studies are carried on.

实验结果得到了覆盖C+L-波段的超荧光光源,在1524.0-1600.4nm波长范围内,自发辐射谱的功率均高于-12.0dBm;在1539.2-1600.4nm波长范围内,自发辐射谱不平坦度为±1.4dB;荧光总功率为22.1mW,功率转换效率为18.8%; 9、应用光纤放大器的基本理论,理论分析和研究了掺铥光纤放大器的放大特性;解决了氟化物掺铥光纤与硅基光纤的连接问题,进行了TDFA的实验研究,分析了没有得到预期结果的原因;最后提出了铒-铥共掺硅基光纤的构想,并与有关单位合作,共同研制了铒-铥共掺硅基光纤,得到了一些前期结果,进一步的研究仍在进行当中。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.

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