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It uses a minimum supply of water and produces oxygen instead of toxic gases, which are the by-product of pesticides.

系统采用最低水量,可产生氧气,因而不存在杀虫剂释放有毒气体的问题。

In infusion process, the A in bottle is in aeriform intensity of pressure to follow the fall of fluid face, how will change?

在输液过程中,瓶中 A 处气体的压强随液面的下降,将怎样变化?

The working principle of this buoyancy engine is to use the valves to control the inflow and outflow of the compressed air in the elastic bladder inside the water chamber.

在机体首部设置「气压式」浮力引擎,其原理为利用一灌有高压气体的钢瓶。

Air is a mixture of gas es.

空气是各种气体的混合物。

Air is a mixture of gas.

空气是各种气体的混合物。

Watch to time air supply in aqualung.

用手表来计算氧气瓶中气体的供应量。

The results show that the styrene is better than trans 2 butene as working gas, and the deposition rate is about 3~4 μm/h for styrene, 1 μm/h for the trans 2 butene.

使用反式 2 丁烯为工作气体的沉积速率相对较慢,最高为 1μm/h ,而使用苯乙烯时,沉积速率提高到 3~ 4μm/h。

And that the CO2 concentration is excessive makes the gas calorific value cannot to reach a request then.

而CO2含量过高则使气体的热值达不到要求。

The spiracles are bigger and more near dorsal line than all the others. Their trachea branches are taper and abundant and form short tracheoles. This gave the tufted form to the trachea, which appeared shrubby. The trachea branches that arranged in other segments gave them a tree-like look. They do not directly supply oxygen for tissues, but they suspend in the hemolymph and attach to the muscle of the heart, so that they can move in constant with the contraction of the heart muscle.②The 8th segment tracheal tufts have thinner cuticle and basal lamina than that of the other trachea, and have much pad cuticle, which is appropriate for them to move, and their basal lamina have small pores, which are favour of the permeation of gas.③Injecting the methylene blue into the larvae to label hemolymph, we observed that the hemolymph flow into the heart through the 8th segment tracheal tufts.④Normally these tracheal tufts have all kinds of hemocytes, which are abundant in the tufts. A large number of hemocytes released from tissues attach to the tufts by changing their structure when anoxic stress happen.

气管分支细短而丰富,形成气管簇,呈灌木丛状(其它各节气管则呈粗树干状分布),它不是直接给组织供氧,而是悬浮在血液中,与心肌相连接,随着心肌的收缩而不断运动;②气管簇的内膜及底膜都比其它各节的薄,且管壁内膜具有更多的适合运动的垫状表皮,底膜还有小孔结构,这有利于气体的通透;③向体内注射蓝色的亚甲基蓝标记血液发现,血液流动方向是经该气管簇后而流回心脏;④正常情况下,气管簇处有各种各样的血细胞聚集,当缺氧胁迫时有大量的血细胞从组织中释放出来,通过变形而紧贴气管簇,有利于气体的交换;⑤给体内注射无色的亚甲基蓝发现气管簇比其它各节更易变蓝,说明该处具有更高的获氧能力。

The paper describes the selection principle of primary schemes for C-GIS and determines the general structure arrangement by comparing different elements and box structure, analyzes the insulating characteristics of SF6 gas and calculates the SF6 gas clearance and along surface insulation. It puts forward the factors that should be considered and strength analysis methods when designing gas chamber structure and analyzes the reasons of influencing the temperature rise of gas chamber and offers the ways of radiating. The vacuum circuit breaker and three-position disconnector are designed for C-GIS and special micro-computer controller for the three-position disconnector is developed. On the basis of new type sensors, suitable control and protection system for C-GIS is suggested. The type test items for C-GIS and its internal elements are introduced to prove that the development is successful.

本文论述了C-GIS产品的一次接线方案选择的原则,在比较各种元件构成及箱体结构的基础上确定了产品的总体结构;分析了SF6气体的绝缘特性,并对SF6气体间隙及沿面绝缘进行了工程计算;阐述了气室设计应考虑的主要因素及强度分析方法,对影响气室温升的原因进行了剖析,并提出散热措施;介绍了C-GIS用真空断路器及三工位隔离开关的设计技术;运用微机技术开发了专用的三工位隔离开关控制器;在阐述新型传感技术的基础上,提出了适用于C-GIS的控制和保护系统;简述了C-GIS产品及内部元件的型式试验项目,证明本产品的研制是成功的。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。