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It is proposed that the runner location should be first to be selected to ensure molten metal filling along the die wall in order to reduce melt flow resistance and then ingate should be located in the heavy section of the workpiece to which the melt would be filled at the beginning. As a result, the applied pressure could be transmitted fluently to avoid shrinkage cavity and to ensure castings quality.

指出道位置的选择首先要保证金属液沿着型壁顺序充填,以减少金属液的流动阻力;内道应使液态金属从制件厚壁处开始充填,以利压力的传递,消除缩孔,保证制件的质量。

The process factors are not independent of the gate design, and must be considered in the gate design effort.

工艺因素在口设计中不是独立的,而必须考虑口的设计效果。

The results showed that the grain yield of winter wheat with two-irrigation was higher than that with one-irrigation with the same nitrogen application rate and method. Compared to one-irrigation,the grain number per spike in two-irrigation was higher,the 1000-grain weight was lower, the water wastage was higher, but the WUE was lower. The yield was not affected significantly by nitrogen rates and the methods. Within the nitrogen rate of 157.5-295.5kg/hm2, the lower NUPE and Nitrogen Productivity declined with nitrogen rate increasing. NHI was not lower than the others at the lowest nitrogen rate of 157.5kg/hm2. The accumulation of NO3--N in soil was significantly and positively correlated with the nitrogen application rate. NO3--N in one-irrigation was distributed mainly in the top layer (0-80cm), but it was inverse in two-irrigation.

结果表明,施氮量和施氮方式相同时春二水冬小麦的产量高于春一水,二水穗粒数较一水高,千粒重则低于一水,一水耗水量较少,水分利用效率明显高于二水;同一水分下不同施肥量及施肥方式对产量的影响差异不显著,同一施肥方式下在157.5-295.5kg/hm2范围内,施肥量越大,氮素生理效率和氮肥生产力越低,施氮157.5kg/hm2时,氮收获指数均处在最高或较高水平;土壤硝态氮残留量与施氮量呈显著正相关,成熟期一水条件下土壤中硝态氮主要集中在上层(0~80cm),二水条件下则主要分布在中下层。

One can also mix pesto with butter as a nice topping on fresh bread.

你还可以将本品与黄油相混合制成抹在新鲜面包上的头(译注:头,食物上面的调料,奶油或装饰物)。

It is nothing squeamish and can not give him too much poured the water, pouring too much water, roots will rot away, does not require much care, just to draw moisture from the air you can survive.

它一点也不娇气,不能给他太多的水,太多的水根会烂掉,不需要太多的照顾,只需要从空气中吸取水分就可以成活。

Deep watering is best, as it encourages strong, deep roots. Soaker hoses are excellent for achieving this.

从根部最好,这样根会深深的扎到土里,很结实,用软管就行。

Components and, because it is relatively small in diameter, it is often to be preferred to the sprue gate which necessitates a finishing operation.

这是一种圆形口,从塑件的底部注入,因为它直径相当小,所以比较需要整修工序的主流道型口优越得多。

It will be helpful to improving the filling velocity when the sprue length and sprue areas are controlled to some extent.

一定的直道长度及直道面积有利于提高铝液的充型速度。

To decrease the casting pinholes,there should be higher pouring temperature and a suitable sprue height and area.

为减少铸铝件的针孔,铝合金消失模铸造应有适当高的注温度和合适的直道高度及面积,并尽量采用空心直道。

SPRUE HOLE: A hole located in sprue gate which is created by a void in the sprue.

口:位於直门上的由注入口内的空泡引起的洞。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。