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cold environment     
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  冷环境
     Numerical Analysis of Finger Temperature Distribution in a Cold Environment
     冷环境下手指温度分布的数值模拟
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     When maize seedlings were growing in 10℃ cold environment, their SOD activity and soluble protein content for the seeds treated by 1.0×10 -8 mol/L 6 BA were higher and their MDA content was lower.
     在 10℃的冷环境中 ,6 - BA处理的玉米种子的幼苗 SOD酶活性、可溶性蛋白含量都较高 ,而 MDA含量较低。
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     Research on the Warmth Retention Property of Weave Cloth Under the Cold Environment
     冷环境下织物保暖性研究
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     5. For high vigor seeds, their seedlings showed stronger resistance to adverse circumstances. For the seeds treated by 1 .0×10-8 mol/L 6-BA, whenthe seedlings were growing in 10℃ cold environment, their SOD activity and soluble protein content were higher and their MDA content was lower.
     5.对幼苗的抗逆性进行分析发现,在10℃的冷环境中,6-BA处理的玉米种子的幼苗SOD酶活性、可溶性蛋白含量都较高,而MDA含量较低。
短句来源
     When the thermal characteristics of boundary nodes in the folded solar panels is studied,some influence factors are considered carefully such as the earth infrared radiation,the solar radiation,the earth reflection for the sunlight,the spacecraft cabin,the heat loss of solar panels in space deep cold environment,the orbit altitude and spacecraft location in the system of sun earth.
     研究折叠状太阳电池阵边界节点的热特点时 ,仔细考虑了地球红外辐照、地球的太阳反照、太阳辐射加热、航天器舱体几何遮挡、深冷环境散热、飞行轨道高度及航天器在太阳 -地球系中不同位置等造成的影响。
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  低温环境
     Man—machine Performance in Cold Environment
     低温环境下的人-机工效问题
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     The effect of cold environment on the mechanical properties of engineering plastics was studied, the test and measurement of the low temperature behavior of the plastics at—25℃ were made and the effect of cold exposure to the sun on the properties was also studied in this paper.
     研究了低温环境对工程塑料性能的影响,测试了材料在—25℃的低温性能,研究了低温曝晒对材料性能的影响。
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     Psychrophilic enzymes are produced by cold-adapted microorgamisms, and display a high enzymic activity in cold environment.
     适冷酶是由低温微生物产生的,在低温环境下具有较高的酶活性。
     The growth of Antarctic ice algae is suppressive at a temperature higher its suitable growth temperature, their mechanism and capacity to resist the thermal stress will restrict the survival of Antarctic ice algae, and their survival will threaten the biodiversity of polar ecosystem and the integrality of polar biological chain, so the effect of evolutional process in sustained cold environment on thermal acclimation mechanism of ice algae is the basis to understand the ecological effect of polar climate change on Antarctic ice algae.
     南极冰藻在高于生长适宜温度下生长受到抑制,抵抗高温胁迫的机制和能力制约着南极冰藻的生存,南极冰藻生存威胁到极地生态的生物多样性和极地生物链的完整性。 持续低温环境进化过程对极端适冷微藻热适应机理的影响是理解极地气候变化对南极冰藻生态影响的依据。
  环境冷
     Low temperature black bulb katathermometer for evaluation of cold environment
     两种黑球低温卡他温度计综合评价环境冷强度的探讨
短句来源
     The availability of the rate of heat loss (H, kcal·h~(-1))of a small black bulb for the assessment of the severity of cold environment was studied.
     本文目的为探讨小黑球散热率(H,kcal.h~(-1))作为环境冷强度综合评价指标的可行性。
短句来源
     STUDY ON HEAT LOSS RATE OF SMALL BILACK-BULB FOR EVALUATION OF COLD ENVIRONMENT
     小黑球散热率综合评价环境冷强度的探讨
短句来源
  寒冷环境
     Cold stress would be developed in the animals exposed to coldness which is a common stressor for animals and human in cold environment.
     寒冷是高寒地区动物和人的一种常见应激原。 急性 (短期 )暴露于寒冷环境的动物将产生冷应激 ( Cold stress)反应。
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     The damage of freezing and thawing of concrete structure in cold environment is an important content of durability design of concrete structure.
     混凝土结构在严寒和寒冷环境中的冻融破坏是混凝土结构耐久性设计的重要内容。
短句来源
     A 7-story isolated RC frame is used as numerical example, and the effect of isolation damping, cold environment, inaccuracy of isolation detailing and soil profile on the system reliability is discussed.
     文末选用了一个7层隔震框架作为数值算例,探讨了隔震阻尼、寒冷环境、节点构造误差所引起的隔震层刚度上升,以及场地土类别等对体系动力可靠性的影响。
短句来源
     The results showed: (1) i. c. v. administration of 6-OHDA (200μg) was found to cause a mild (5℃) reduction in body temperature at room temperature, a greater fall (7℃) in 5℃ cold environment.
     结果表明:(1)脑室注射200μg 6-OHDA产生一个短暂的急性低体温效应,在室温环境中体温下降幅度为5℃左右,在5℃寒冷环境中体温下降7℃左右。
短句来源
     Methods The main artery was isolated from Wistar rats and exposed to hypoxia and /or cold environment in vitro. LDH activity was measured using an automatic biochemical analyzer and NOS and SOD activities in blood vessels were analyzed respectively by Griess assay and adrenaline autoxidantion method.
     方法 分离Wistar大鼠主动脉并使其暴露于缺氧或 /和寒冷环境中 ,以全自动生化分析仪测定血管培养液中乳酸脱氢酶 (LDH)活性 ,以Griess化学法观测血管NOS活性 ,以肾上腺素自氧化法测定血管SOD活性。
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  cold environment
In many applications of piezoelectrically controlled smart structures, the functionality of the system has to be ensured even in an extremely hot and cold environment.
      
Sympathetic denervation of IBAT prevented the effect of the cold environment on GABA content and impaired that on GABA accumulation.
      
Polar organisms should have mechanisms to survive the extremely cold environment.
      
A theoretical study shows that when a thermally thick sample is allowed to radiate instantaneously into a cold environment, then the resulting transient surface temperature depends solely on its hemispherical total emissivity and effusivity.
      
Survival of young and old rats in a cold environment
      
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In this article, revolving hot element with directional shield for quick and automatic measurement of velocity and direction of planar flow (wind velocity 0-60 m/sec, direction 0-360°) is proposed. Method of calculating hot element and scheme of temperature compensation have been worked out. Criterion equation for convective heat transmission was obtained. Measuring instrument,type FS-1 for cold environment was analyzed and fabricated in our laboratory. Recording time for taking each reading is about 28...

In this article, revolving hot element with directional shield for quick and automatic measurement of velocity and direction of planar flow (wind velocity 0-60 m/sec, direction 0-360°) is proposed. Method of calculating hot element and scheme of temperature compensation have been worked out. Criterion equation for convective heat transmission was obtained. Measuring instrument,type FS-1 for cold environment was analyzed and fabricated in our laboratory. Recording time for taking each reading is about 28 sec. Preliminary experiment on instrument, type FS—2 for hot environment (0—400℃) was carried Out.At The end of this article, practical examples of model test in laboratory of conceirned unit and cold/hot environment test in power station boiler plant are presented.

本文提出了采用带方向罩的旋转热柱方案,用来快速自动测量平面气流速度和方向。拟定了旋转热柱的计算方法及温度补偿方式,并得出其对流放热的准则方程,在理论分析的基础上,研制了FS—1型冷态快速风向风速自动测量仪,对FS—2型热态(0~400℃)风向风速仪进行了原理性试验,文中最后提出了在有关单位验试室模型试验及电站锅炉现场冷、热态试验应用的例子。

This paper disscusses the problems on the development of landforms and evolution of environments of a large fault-settlement basin during the Late Cenozoic period in the Northeastern part of the Qinghai-Xizang Plateau. From Miocene up to the Middle Pleistocene period, the Gonghe Basin was living in the settement stage. During the Neogene period, it was a part of the ancient lake of interior continent in Eastern Qinghai province. During the Early Quaternary period, the Yellow River was developed and the exchange...

This paper disscusses the problems on the development of landforms and evolution of environments of a large fault-settlement basin during the Late Cenozoic period in the Northeastern part of the Qinghai-Xizang Plateau. From Miocene up to the Middle Pleistocene period, the Gonghe Basin was living in the settement stage. During the Neogene period, it was a part of the ancient lake of interior continent in Eastern Qinghai province. During the Early Quaternary period, the Yellow River was developed and the exchange environment of the river and lake was formed. After the Middle Pleistocene period, the Basin was living in the uplift stage, thus promoting the evolution of drainage, and at the same time the terraces and Longyong Canyon of the Yellow River were fermed, up to thirteen terraces at most. The climate was developed from warm and wet to dry and cold. Especiallly since the Late stage in the Late Pleistocene period, in several times of the dry and cold environment, many periglacial landforms and deposits of aeolien sand had been formed, thus promoting shrink and salting of the lake.

本文讨论了青藏高原东北部一个大型断陷盆地晚新生代期间地貌发育与环境演化问题,中新世至中更新世为盆地沉陷阶段,其中晚第三纪为青海东部内陆古湖的一部分,第四纪早期黄河发育,形成河湖交替环境,中更新世之后为盆地上升阶段,促使水系演化并形成最多达13级的黄河阶地与龙羊峡谷,气候从温暖湿润向干燥寒冷发展,特别自晚更新世晚期以来,在数次干寒环境下形成多种冰缘形态和风沙堆积,并促使湖泊退缩和咸化。

The equipment for hailstone slice cutting has been designed and made by our Institute. The design basis, structure and utility of the machine are described in the paper. The function of the machine is similar to that used by R. List (1961), but there are two improvements in it: 1) A refrigerator (about -6℃) and a cooling flow (about -20℃) are adopted for cold environment, so the cutting operation can carry out at room temperatures; 2) For the fixture of hailstone the direct freezing by a semiconductor...

The equipment for hailstone slice cutting has been designed and made by our Institute. The design basis, structure and utility of the machine are described in the paper. The function of the machine is similar to that used by R. List (1961), but there are two improvements in it: 1) A refrigerator (about -6℃) and a cooling flow (about -20℃) are adopted for cold environment, so the cutting operation can carry out at room temperatures; 2) For the fixture of hailstone the direct freezing by a semiconductor refrigerator is used instead of the vacuum attraction.

本文介绍了一台我国自行制造的机床式冰雹切片机的设计依据、结构和使用效果等.这台切片机的功能与List(1961)的相似,但有其特点:1)采用了约为-6℃的冷箱和约为-20℃的冷风作为环境冷冻,因而使切片操作可在通常的温度下进行;2)对雹块的固夹,用半导体致冷器直接冻住的方法代替了真空吸引.

 
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