田间的

It was also proved that the strain HN01DNL and TA11DNL could migrate as far as 25-30cm to the near soybean plant root and nodulate in the soil and sand microcosms.

本研究结果表明单独施用所构建的重组大豆根瘤菌于田间土壤时，未检测到抗性向其它土壤微生物的转移，HN01DNL已获准在2000年进行3000亩规模的环境释放。

Of applications to clean ·马 Ruyou Caiqingchong Pieris rapae, the field of medicinal test, the test results showed : 20% of clean ·马 Ruyou Caiqingchong have good preventing and controlling effect, albeit one day after 1500 Beiye, 2000 Beiye, 2500 amounted to 96.45% Beiye-effective, 91.94%,89.45%; medicine after three days of anti-drug effect after seven days, respectively, to 99.02%,95.85%,92.94%; 98.56%,92.62,87.42% respectively.

应用20%氰·马乳油防治菜青虫Pieris rapae的田间药效试验，试验结果表明：20%氰·马乳油对菜青虫具有良好的防治效果，施药后1天1500倍液，2000倍液，2500倍液防效达96.45%，91.94%，89.45%；药后3天的防效分别达99.02%，95.85%，92.94%；药后7天分别为98.56%，92.62，87.42%。

The field tests indicated that: The lowest effective dosage of the gra-nulosis virus from Pieris brassicae in the control of the small white butterfly, Artogeia rapae was in a range of 2.3 × 1010- 3.4 × 1010 GIB/mu.

田同试验结果表明：大菜粉蝶颗粒体病毒防治甘蓝地上菜粉蝶幼虫的最低有效剂量在2.3×10~(10)～3.4×10~(10)颗粒体/亩之间；病毒的喷布应在寄主卵与低龄幼虫的高峰期进行，春夏季以在田间寄主卵孵化率近20％时使用为宜。

In order to research a poisonless and harmless chemical method to reducing harm of low temperature on almond during florescence, effects of BBA on cold resistance and fruit setting rate in almond were tested respectively in laboratory and field.

为了研究既能减轻杏树花期低温伤害而又无毒无害的化学防寒手段，就巴巴安在杏树花期的抗寒作用进行了室内试验，并就巴巴安对杏树坐果率的影响情况进行了田间试验。

The ecological processes of soil salination of alkaline minera lized water were discussed in this paper.

本文探讨了田间低矿化水灌溉的土壤盐碱化生态过程，结果表明：无论在水平方向还是垂直方向上，随着灌溉水矿化度的增加，带入土体中的NaHCO3增多，从而引起土壤pH，全盐，HCO3－，ESP及SAR逐渐升高。

Survival time of female Trichogramma dendrolimi, which were held in ventilated plastic tubes (5 cm in diameter and 10 cm long) attached to peach tree branches, were investigated directly under field conditions, and the influencing factors (food availability and climatic factors) were analyzed. The results showed that the median survival time of the parasitoid was significantly different in different cover crops and different trial dates (31 May, 5 June, 17 July, 24 July, 24 August and 30 August).

本研究以松毛虫赤眼蜂雌成虫为材料，将赤眼蜂引入固定在桃树上的透气的塑料管中，研究了田间不同地面植被和不同试验日期（5月31日、6月5日、7月17日、7月24日、8月24日和8月30日）温度、湿度、食物和叶片等因子对成虫存活时间的影响。

Survival time of female Trichogramma dendrolimi,which were held in ventilated plastic tubes(5 cm in diameter and 10 cm long)attached to peach tree branches,were investigated directly under field conditions,and the influencing factors(food availability and climatic factors)were anal...

本研究以松毛虫赤眼蜂雌成虫为材料，将赤眼蜂引入固定在桃树上的透气的塑料管中，研究了田间不同地面植被和不同试验日期(5月31日、6月5日、7月17日、7月24日、8月24日和8月30日)温度、湿度、食物和叶片等因子对成虫存活时间的影响。

Back-breaking work and unfeasibly long hours that would nowadays get most employers in to a court room were the average lot for the land girls.

这种累断腰骨的长时间工作在今天肯定会让雇主吃官司；但在当时，这是在田间劳作的女孩们的普遍命运

According to resistance the false smut of rice assessed to influence of 1000 seeds weight The genetic diversity of population of Ustilaginoidea virens was assessed with AFLP.

根据田间调查结果分析稻曲病的各种发病因素对千粒重的影响，应用AFLP术(Amplified fragment length polymorphism)技术分析了稻曲病菌的(2003-2005)遗传多样性。

Korshinskii 498.31mm, H. rhamnoides 423.51mm P. davidiana 445.29mm, so the content is only 30%~58% of the field could hold nnd close to or higher than the limit of welting, in this water lever, shrub can survive but can meet its growth.

仅占田间持水量的30%~58%，接近或略高於凋萎湿度，因此，目前的土壤贮水量并不能满足灌木林的生长，仅能维持其生命。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐