Freezing相关论文
目的:探讨径向超声鞘引导冷冻肺活检（EBUS-GS-TBCB）在不吸收肺炎诊断中的应用价值。方法:选取2019年3月至2020年7月大连市中心医院诊......
This study used two ejaculates collected from 8 rams of BCP and SCP breed in the breeding season.After microscopic evalu......
Water confined within the nano-to microscale pores of cementitious materials plays a crucial role in damage processes af......
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The prevalence of freezing of gait in Parkinson’s disease and in patients with different disease dur
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【Abstract】Wuthering Heights is a famous love tragedy. This paper analyses the novel through freezing of human nature， f......
Based on daily average temperature,precipitation and sunshine hours during 1961-2018 from two meteorological stations of......
An experimental investigation on the impact and icing processes of a water droplet on curved cold su
The present study experimentally investigated the impact and icing processes of a water droplet on different curved ......
目的探讨经内科胸腔镜冷冻胸膜活检对不明原因胸腔积液诊断的有效性及安全性。方法采用前瞻性自身对照研究方法,对2017年9月-2018......
The riprap air-cooled roadbed and common roadbed experimental project were designed and carried on in Qingshuihe test fi......
Annual freezing and thawing index of 7 meteorological stations along the Qing- hai-Xizang Railway were calculated based ......
Sometime lakes are“drawn down”or drained in winter to prevent shoreline damage from the freezing water.A Situation In......
Cryodamages occur during sperm cryopreservation. Cryopreservation of fish sperm usually results in marked decrease in sp......
The permafrost with the highest altitude and largest area in the mid and low latitude is located in the Qing-hai-Tibet ......
On top of Shigujian Peak(1477 m a.s.l.) of the Dayangshan Mountain in Jinyun County, Zhejiang Province, large amounts of......
研究了不同实验条件下原状和扰动粉黏土人工冻胀速率的发展特点,并对试验结果进行了对比分析。同时还分析、总结了各种试验因素对......
用改良的方法建立了活性同种瓣膜和血管库,观察了用三抗培养液37℃消毒24h和低温保护剂(CPM)在室温条件下对组织的影响。结果表明,......
<正> The radiation-induced solid state polymerization of formaldehyde and acetaldehyde belongs to the explosive type of ......
The interaction between permafrost and atmosphere is accomplished through transfer of heat and moisture in the overlay a......
用从 2 月跨越时期到 2009 年 12 月的观察数据并且在 Qinghai 省在 Suli 车站记录了，陆地表面模型 CLM3.0 被采用模仿结冰并且融化......
Field experiment of subgrade vibration induced by passing train in a seasonally frozen region of Daq
The vibration characteristics and attenuation of the subgrade caused by passing trains in a seasonally frozen region of ......
Cryopreservation of Porphyra yezoensis conchocelis was conducted with cryoprotectants and a proposed pretreatment proced......
Dynamic investigation on the coupled changing process of moisture and density fields in freezing soi
The data reflecting the change in density are obtained, with computer tomograph scanning through the sample of freezing ......
A new variable time step method,which is called the backwards calculating time step method,is presented in this paper.It......
本文报道了一种在恒温状态下测定药物溶液冰点的方法。此法与现有的冰点测定方法如步冷曲线法和差示扫描量热法相比,除具有简便快......
The coupling mechanism in freezing process of seepage ground was studied and a simplified coupling math model was propos......
Molecular dynamics simulation of decomposition and thermal conductivity of methane hydrate in porous
The hydrate has characteristics of low thermal conductivity and temperature sensitivity. To further analysis the mechani......
The oligomerzation reactions on different catalysts were investigated and discussed. 1-Octene, 1-decene, 1-dodecene, a m......
A Distributed Forest Wetland Hydrologic Model(DFWHM) was constructed and used to examine water dynamics in the different......
A series of room-temperature ternary deep eutectic solvents(TDESs) were prepared from imidazolium halides, zinc halides ......
Freeze drying or lyophilization of aqueous solutions is widely used in pharmaceutical industry.The increased importance ......
Objective: To investigate the factors that might influence the success of an embryo freezing and thawing program. Meth......
Objective To investigate the empty zona pellucida for use in the cryopreservation of human sperm. Materials & Methods ......
The 0.6 Mt/a jet fuel hydrotreating unit at SINOPEC Shijiazhuang Refining and Chemical Company adopts the jet fuel hydro......
Reservoir revetment in cold regions is often damaged by frost due to the joint action of low-temperatures and cryogenic ......
Tibet on the roof of the world is covered with snow for a greater part of the year, when a freezing cold holds sway. Th......
The formation mechanism of ice banding in the system of freezing colloidal suspensions, which is of significance in fros......
Experimental Study on the Characteristics of CO_2 Hydrate Formation in Porous Media below Freezing P
Porous medium has an obvious effect on the formation of carbon dioxide hydrate. In order to study the characteristics of......
目的:少量任意布置冻结管冻结的稳态温度场无解析解。建立任意布置少量管冻结稳态温度场模型,获得解析解,解决人工冻结温度场理论......
春节前后，各地都进入了最寒冷的阶段，也就是人们常说的“数九寒天”。大家可要记得添衣保暖以免感冒哦。今天我们来学习一下有关天气......
通过静电纺丝方法制备了掺杂离子液体([BMIM][PF_6])的聚偏氟乙烯(PVDF)纳米纤维.研究结果表明,[BMIM][PF_6]与PVDF具有相互作用,......
URING the Spring Festival last year, when most Chinese people were enjoying family reunions in their warm, brightly-lit......
Comparison of conventional and directional freezing for the cryopreservation of human umbilical vein
AIM:To compare conventional slow equilibrium cooling and directional freezing(DF) by gauze package for cryopreservation ......
The major technical difficulties of Fenghuoshan Tunnel were caused by arctic alpine, high altitude and permafrost. Throu......
The deicing experiment of carbon fiber reinforced electrically conductive concrete (CFRC) slab was conducted in laborato......
Variation characteristics of temperature and moisture content of seasonal frozen soil during freezin
In China,seasonal frozen soil is widely distributed.The freezing damage of subgrade soil in Jilin Province has been one ......
1桉树抗寒生理低温对植物包括桉树的危害,按低温程度,可分为冻害(零下低温)和冷害(零上低温)。1.1冻害的生理当温度下降到0℃以下......
