freezing disaster prevention

The damages of freezing dilatation in prefabricated concrete lining make the regular operation of irrigation canal difficult, shortening the useful lite, effecting the benefit.

本文在分析预制砼板衬砌渠道冻融破坏原因的基础上,对其在防止冻害方面所采取的以结构为主的措施进行了综合论述,其中,提出采用正六边形代替传统的长方形和正方形砼预制板块作为衬砌结构,其防止冻害的效果更为理想,并就其原因进行了初步探讨。

On the frost heave force of cold region soft rock tunnels and frost damage prevention and treatment;

寒区软岩隧道的冻胀力及冻害防治浅析

Prediction Model for Suitable Harvest Time of Chinese Cabbage Against Freeze Injury in Changzhi of Shanxi Province

长治大白菜防冻害适时收获预报模型

frozen damage prevention and treatment of hydraulic structure

水工建筑物冻害防护

Hazard and Prevention of Freezing and Thawing to Hydraulic Structure Engineering in the Seasonally Frozen Soil Region;

季节性冻土区冻融对水工建筑物的危害及防治

Freezing Injury Diagnoses and Preventing Frostbite Technology Methods About Citrus in Shaoguan Region;

韶关地区柑桔冻害调查分析与防冻技术措施

Low-temperature Freezing Disaster and Anti-freezing Evaluation of Taiwan Soft-Branch Star Fruit

台湾软枝杨桃低温冻害分析及防冻效果评估

Frozen Injury of Railway Subgrade around Seasonal Frozen Earth Area as Well as Prevention Measures

季节性冻土地区铁路路基冻害及其防治措施

The frost injury to the railway subgrade is regarded as the common phenomena in freezing regions. Analysis is made on the formation of the frost injury and given the countermeasures.

路基冻害是严寒地区普遍存在的病害。本文分析了冻害形成的原因，提出了冻害防治措施。

Research on Winter Injury and Prevent Technique of Alfalfa (Medicago sativa L.cv.‘Aohan’)in Chifeng Region

赤峰地区敖汉苜蓿冻害及其防御技术

Hurt of Sping Frost to Tea Bush in Nanjing Area and Its Prevention

南京地区晚霜冻对茶树的危害及防御

Types of Low-temperature Freezing Disasters and Agricultural Defensive Measures in Guilin

桂林低温冻害类型及其农业防御措施

Defect-prevent Measures of Frozen Ground in Xin-Zang Road Tibet Segment

新藏公路西藏境段冻土病害防治措施

Study with the prevention and control measures on the "frost heave damage" about artificial lakeshore retaining wall

人工湖岸挡土墙“冻害”与防治措施研究

Study on Problems of Designing and Frozen Disaster Prevention & Curing on Seepage Control in Canal Engineering;

渠道防渗工程设计及冻害防治问题研究

" Antifreeze： Any substance that lowers the freezing point of water, protecting a system from the ill effects of ice formation."

防冻剂:降低水之凝固点的物质，能够保护系统免受冰冻之害。

Occurrence and Prevention of Frost Injury in Recent Two Decades

近20年来霜冻害的发生与防御研究进展

THE INVESTIGATION OF THE FREEZING INJURY OF LUQUAT IN 1991-1992 IN JIANGXI PROVINCE AND SUGGESTIONS TO PREVENT ITS FREEZING DAMAGE

江西省1991─1992年枇杷冻害调查及防御技术探讨

The Test Study of the Damage Preventing and Curing Measures of Liaoxi Aeolian Soil Road Foundation;

辽西风积土路基道路冻害防治措施的试验研究

A Study on Forestry Disaster Caused by Low-temperature & Sleet and Countermeasures in Guizhou Province;

贵州林业低温雨雪冰冻灾害与防治对策研究