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1)  frost-free
无霜
1.
A kind of refrigerator-freezer(RF)termed frost-free refrigerator-freezer with secondary cooling medium was presented.
为了降低无霜冰箱采用可燃性制冷剂燃烧爆炸的危险性,提出了"二次冷媒无霜电冰箱"。
2)  frost-free refrigerator-freezers
无霜冰箱
1.
Based on the defrosting principles of frost-free refrigerator-freezers evaporator, this paper presented improved design scheme of defrosting system, including aluminum tube conducting defroster being converted into quartz tube radiating defroster and removing thermostat holddown groove.
依据无霜冰箱蒸发器化霜原理,针对现有化霜系统存在的问题,提出了改进的设计方案,把铝管加热化霜改为石英管辐射化霜,取消了化霜恒温器固定盒;通过对改进前后的比较与分析,证实了改进的可行性;分析表明,通过改进设计提高了冰箱工作的可靠性和经济性。
3)  frost-free period
无霜期
1.
According to the meteorological observation in Minqin Desert Control Experiment Station,variations of frost-free period,low temperature in spring and frozen earth were analyzed.
以甘肃民勤治沙综合试验站数十年气象定点观测资料为基础,统计、分析了民勤荒漠区无霜期、春季低温、冻土层的变化特征。
2.
Through comparison between several kinds of thermal indexes and analysis of China s climate characteristics,frost-free period is considered to be a proper thermal index of climatic zoning for grapevine in China.
在对目前酿酒葡萄区划热量指标进行总结和分析的基础上,通过对几种热量指标的比较和我国气候特点的分析认为,以无霜期作为我国酿酒葡萄区划的热量指标,即以无霜期≥160 d(30年平均值,且在30年中无霜期<150 d的次数不超过3次)作为我国酿酒葡萄栽培的热量最低限(区划北界)是适宜的,比其他热量指标确定的区划界限更有实际应用价值。
4)  no frost period
无霜期
1.
Based on the average annual temperature,annual precipitation and no frost period data from Shihezi Meteorological Bureau during the period of 1967-2006,the climate trend was analyzed using linear fitting method,3-year smoothing average and M-K methods.
以新疆石河子气象局1967~2006年年平均气温、降水量和无霜期观测资料为研究对象,运用线性拟合、3a滑动平均和Mann—Kendall方法进行趋势和突变分析。
2.
In this paper, the data of the average annual temperature, annual precipitation and no frost period,which gotten from Shihezi Meteorological Bureau during the period of 1967~ 2006, have been analyzed by linear fitting method, smooth average method of three years and M-K method to get their trend and correlation.
本文以新疆石河子气象局1967~2006年年平均气温、年降水量和无霜期观测资料为研究对象,运用线性拟合方法、三年滑动平均方法、Mann—Kendall方法进行趋势和突变分析。
5)  frost-free,no-frost
无霜的
6)  frost free season
无霜期
1.
In the article,the changing situation of several meteorological factors,such as temperature、 precipitation、frost free season and effective accumulated temperature,was analysed,and provided the theories of how to use the meteorological resources effectively on the agriculture cultivation,and introduce the new varieties,and applying the rationalized cultivated methods.
此文通过对1957~2006年50 a间依安县气象因素的分析,论述了温度、降水、无霜期、有效积温几个要素的变化情况。
补充资料:50%甲霜铜可湿性粉剂
分子式:
分子量:
CAS号:

性状:蓝绿色易流动粉末。
用途:一种杀菌剂混合制剂。主要用于防治蔬菜霜霉病和疫病、黄瓜细菌性角斑病、白菜黑斑病,以及蔬菜炭疽病等病害。供喷雾使用。
制备或来源:将甲霜灵、琥珀酸铜、助剂、填料,经过混合、粉碎、超细粉碎而得。
备注:细度为98%通过325目筛,在水中均匀分散成悬浮液,悬浮率≥70%,易被水润湿,湿润性≤1分钟。该制剂贮藏稳定,不宜与碱性农药混用。


说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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