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In order to overcome the wet etching disadvantage and to minimize the additional waste chemical treatment cost, therefore the purpose of this thesis is to study the customization of the batch type plasma dry etcher for power diode process, to analysis the etching mechanism and build up the simulation model for the distribution of plasma power density that will be fitted with the measurement data.

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In order to find out completely the soil-wheat contaiminated by heavy metals in Tianjin sewage farm, we collect samples on the dry land and examinate contents of heavy metals in soil-wheat system. Firstly, the anthor evaluates that soil irrigated by sewage that has been contaminated slightly, the main polluting factors are Cd and Zn, and then the anthor evaluates soil according to different regions, soil types and irrigating water. Secondly, the anthor analyzes content and enrichment ability of heavy metals in different part of wheat, evaluates wheat is contaiminated by Cd widespreadly, only few samples polluted by Zn.Finally the anthor put up correlative analysis about heavy metal contents in the soil-wheat system, as well as plant enrichment coefficient and some physico-chemical properties of soil, and establishes a prognostic model about heavy metal content among wheat spike, soil, soil types, PH, organic matter and salinity with the quantifying theory.The prognostic accuracy of primarily contaminative factors is the best with compound correlative coefficient examining, the model can be founded.With improvement of living level, people need cleaner food.

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Lay it face up on the towel and allow to air dry.

讓它正面朝上躺在干毛巾上自然風(fēng)干超碰欧美人人肏。

The Kamchacals, a peoples from northern Siberia, who have a long history of Fly Agaric use, maintain that those that dessicate while still in the earth and remain attached to the stalk tend to have a greater psychotropic effect than those that are picked fresh and strung up to dry.

該kamchacals ，一個(gè)民族從西伯利亞北部本页影院，他們都有著悠久的歷史飛金頂使用日日碰人人操，維護(hù)，那些dessicate雖然仍處于地球仍然附在柄往往有較大影響的精神比那些正在挑選新鮮和排列直至干燥欧美性交播播。

FB-1200 fogger machine must abandon the low smoke effects of the use of dry ice as raw materials, ordinary ice cubes to use as raw materials, and in the exclusive high-quality smoke into the mist heavy smoke, so that machines can be emitted pure white smoke Slowly affixed to the line, after some distance before going up, a smoke wind around the scene.

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I'm hanging up this futon to dry.

我把被子掛起來(lái)曬干欧美日韩AⅤ不卡在线。

Under dry and hydrothermal conditions, systematic experiments were conducted on constitutive parameters of frictional sliding of gabbro gouge. We obtained the coefficient of friction and velocity dependence as functions of temperature up to 615 C, with normal stresses of 200 MPa and 300 MPa.

在干燥和熱水條件下對(duì)輝長(zhǎng)巖摩擦本構(gòu)參數(shù)進(jìn)行了系統(tǒng)的實(shí)驗(yàn)研究，分別得到正壓力200MPa和300 MPa條件下的摩擦強(qiáng)度和速度依賴性參數(shù)隨溫度的變化富婆按摩高潮对白在线观看。

The study has shown:(1) With increasing sediment depth and the woody giblets, the total organic carbon, the extraction of benzene , the total humic acids and the unhydrolyte are enhanced, while the hydrolyte is decreasing.(2) According to the GC-MS analysis, n-alkane,n-alkan-2-ones and n-alkanones are composed mainly of long-chains,such a result is thought to be characteristic of a herbaceous input from 2300a.B.P. n-alkanones exist in the samples may be considered as the evidence of microorganisms activity.(3) It is showed that the lipids is more sensitive to the climate change than the floristic. The proxy of the pollen spore of the peat stratum is different from the normal environment proxy. It is one of the main reasons that the sensitivity difference of the bog vegetation reacting to the climate isn't accordant with the log of the fat molecule fossil and biology fossil.(4) The transformation of the peat organic carbon is under the influence of temperature,acidity,organic material constituting, etc, and it showed the up-trend with the depth. In the short-term scale, the conversion of the peat organic carbon is effected by seasonal water,regional climate and vegetations; while in the long-term scale, it is controlled mainly by the climate.(5) According to the comparing the orderliness of organic compound,vegetation giblets with the depth to the characteristics of the peat molecule fossil with the section, in the development of this peatmire, 1500a B.P（210cm）is regard as the borderline of the late Holocene, the keynote of the front period is warm with several cold fluctuations, and the trend of the back period is dry and cold although there were several fluctuations.

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When dinner, the family enjoyed this canister soup, but Miss Wu also does not have drowsiness in the evening accordingly, the mouth does glossal dry, after keeping drinking water, keep going up again toilet.

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