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橡胶农场
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  rubber farm
     REFORMING RUBBER FARM WITH ECOLOGICAL TRADES TO REALIZE SUSTAINABLE DEVELOPMENT
     海南岛橡胶农场可持续发展研究——以三道国营农场为例
短句来源
  rubber farms
     PROGRESSIVE REGRESSION ANALYSES ON ECONOMIC EFFECTS OF STATE RUBBER FARMS IN HAINAN
     海南省国营橡胶农场经济效益的逐步回归分析
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  rubber plantation
     An Investigation on influencing factors of Malaria Outbreak in a Developing rea of Rubber plantation in Yunnan province
     云南省一橡胶农场新垦区疟疾暴发流行影响因素调查
短句来源
     In order to find out the relative factors on influencing malaria outbreak and provide the basic data of malaria control to local health authority, an investigation was carried out in a rubber plantation in Mengla County in July-October, 2000. The results showed the influencing factors were mobile population, insufficient malaria control control knowledge and capacity of inhabitants and health workers, inappropriate malaria control method and under-reporting of malaria epidemic information.
     2000年7~10月在勐腊县关累港橡胶农场新垦区开展了疟疾暴发影响因素调查。 结果表明导致疟疾暴发的影响因素为:人口流动、居民疟防知识差、医务工作者缺乏疟疾防治专业的知识、抗疟措施不力、疫情漏报严重等。
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  “橡胶农场”译为未确定词的双语例句
     Based on the analytical results of 820 soil samples and 704 leaf samples collected from 108 rubber-growing state farms, this paper discusses the boron supplying capability of various soils and the boron status of rubber trees in different rubber growing areas of China.
     本文报道了从108个橡胶农场采集的820个土壤样品和704个橡胶叶片样品硼含量的分析结果,讨论了我国植胶区各类土壤的供硼能力和各垦区胶树目前的硼素营养状况。
短句来源
     A survey was made of the accumulated wind damage suffered by over 370, 000 rubber trees belonging to clones PR107 and Haiken 1 in 1111 stands covering an area of about 736.7 ha in 10 state farms in southern Leizhou Peninsula, Guangdong Province.
     本题通过对徐海植胶区PR107和海垦1两个抗风品系的累计风害状况的调查,分析它与台风来向、台风登陆后所经历的距离,林网及地形等因子与风害大小的规律性。 先后共调查10个橡胶农场、1111个林段、11051.7亩共37万余株胶树。
短句来源
     This paper discussed the pathogeny, clinical symptom, pathological anatomy and laboratorial diagnosis of the poisoned buffaloes through carefull investigations of 138 sick buffaloes of some stateowned rubber plantations and their nearby countryside in Hainan.
     本文对海南省大多数国营橡胶农场及邻近的农村138头病牛进行了深入的调查研究,并对牛只中毒的病因、临床症状、病理解剖以及实验室诊断进行探讨。
短句来源

 

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      rubber farms
    This study investigated land-use and land-cover change in three hamlets and two state rubber farms in the Nan-e watershed of the Xishuangbanna prefecture of Yunnan province in Southwestern China.
          
      rubber plantation
    Rubber plantation dominated over other types of the vegetation in the area.
          
    Distribution of Rigidoporus lignosus genotypes in a rubber plantation, as revealed by somatic compatibility
          
    A study was conducted to determine the spatial distribution of somatic incompatibility groups (SIGs) in Rigidoporus lignosus populations responsible for white root disease in a south Sumatera rubber plantation.
          
    In one experiment, the 9.1?m inter row space of a 15?year old rubber plantation was intercropped with cinnamon.
          
    Fallow size had significant positive correlation coefficients with species richness index of rubber plantation.
          
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    Based on the analytical results of 820 soil samples and 704 leaf samples collected from 108 rubber-growing state farms, this paper discusses the boron supplying capability of various soils and the boron status of rubber trees in different rubber growing areas of China.The analytical results show that the contents of water-soluble boron in soils are related to their parent materials. The water-soluble boron level, except in some ferruginous lateritic soils derived from basalt, is lower than 0.5 ppm, which belong...

    Based on the analytical results of 820 soil samples and 704 leaf samples collected from 108 rubber-growing state farms, this paper discusses the boron supplying capability of various soils and the boron status of rubber trees in different rubber growing areas of China.The analytical results show that the contents of water-soluble boron in soils are related to their parent materials. The water-soluble boron level, except in some ferruginous lateritic soils derived from basalt, is lower than 0.5 ppm, which belong to boron-deficient soils for other crops. Rubber trees seem rather adaptable to the soils with low boron content. The critical value for boron-deficiency of soils under rubber has been preliminarily determined to be 0.1ppm. The water-soluble boron level in some soils is below the critical value.The boron level of rubber leaves shows a significant positive correlation (r=0.647>r_(0.01)=0.254) to the water-soluble boron level of soils. The average content of boron in rubber leaves is estimated to be 40.6ppm. Generally, the boron status of most rubber trees is fairly normal. However, it has been found and confirmed for the first time in China that boron-toxic symptoms exist with some rubber trees grown on the ferruginous lateritic soils.

    本文报道了从108个橡胶农场采集的820个土壤样品和704个橡胶叶片样品硼含量的分析结果,讨论了我国植胶区各类土壤的供硼能力和各垦区胶树目前的硼素营养状况。分析结果表明,胶园土壤水溶态硼含量与成土母质有关,我国植胶区的土壤除部分由玄武岩发育的铁质砖红壤外,水溶态硼大都低于0.5ppm,对一般作物来说,属于低硼或缺硼土壤。橡胶树对低硼土壤看来有较强的适应能力。初步确定胶园土壤缺硼的临界值为0.1ppm水溶态硼。我国植胶区有一小部分土壤低于这个临界值。橡胶叶片硼含量与胶园土壤水溶态硼含量呈极显著的正相关(r=0.647>r_(0.01))。108个农场的橡胶叶片平均硼含量为40.6ppm。目前国内大多数胶树的硼素营养尚属正常,但在国内首次发现并证实生长在铁质砖红壤上的某些橡胶树存在硼中毒现象。

    A survey was made of the accumulated wind damage suffered by over 370, 000 rubber trees belonging to clones PR107 and Haiken 1 in 1111 stands covering an area of about 736.7 ha in 10 state farms in southern Leizhou Peninsula, Guangdong Province. Analysis of the data obtained gives the following indications: 1. The survival rate of rubber trees increases progressively as the distance between their location and the coast widens because typhoons come on shore mainly from the east or southeast. The survival rate...

    A survey was made of the accumulated wind damage suffered by over 370, 000 rubber trees belonging to clones PR107 and Haiken 1 in 1111 stands covering an area of about 736.7 ha in 10 state farms in southern Leizhou Peninsula, Guangdong Province. Analysis of the data obtained gives the following indications: 1. The survival rate of rubber trees increases progressively as the distance between their location and the coast widens because typhoons come on shore mainly from the east or southeast. The survival rate goes up 4—8% for each 10 km extending westward or northwestward from the van windbreak nearly 10 km away from the coast. Accoraingly, the rubber-growing areas can be divided into 3 groups in reference to their survival rates, viz. areas with survival rates lower than 50%, areas with survival rates of 50—60%, and areas with survival rates higher than 60%. 2. The windbreak has authentically offered a protective effect against wind damage. Under the shelter of an incomplete windbreak at the windward side, the accumulated suvival rate of rubber trees is about 20% lower than that in the case of acomplete windbreak. With the shelter by 5—6 successive incomplete windbreaks, 400—600m westward from the van windbreak, the survival rate of rubber trees increased to a level comparable to that in the case of a complete windbreak. 3. The survival rate of rubber trees varies with macro-topographic changes, the highest survival rate being on the westward slope. Micro-topographic changes lead to no regularity in the survival rates of rubber trees on eastward or westward slope. However, wind damage was found to be more serious at a limited locality near the slopetransition line on the windward slope, 4. Based on the accumulated'survival rates and many years' pertree yields recorded by the state farms concerned, rubber-growing areas can be divided into 4 types in terms of their annual yields, viz. areas with<450 kg/ha, areas with 450—750 kg/ha, areas with 750—1050 kg/ha, and areas with>1050 kg/ha, Furthermore, the paper presents a deep analysis of the economic benefit of land use and crop allocation.

    本题通过对徐海植胶区PR107和海垦1两个抗风品系的累计风害状况的调查,分析它与台风来向、台风登陆后所经历的距离,林网及地形等因子与风害大小的规律性。先后共调查10个橡胶农场、1111个林段、11051.7亩共37万余株胶树。研究结果表明: 1.由于台风主要来自东面及东南面,橡胶树的保存率随距东海岸线及东南海岸线的远近而增减。自农场林网范围(此处距海岸线10公里左右)开始计算,向西或西北每延伸10公里,保存率可提高4~8%。据此,可以把该植胶区划分为:胶树累计保存率<50%;50~60%;>60%的三个亚类型区。 2.肯定了防护林网对防台风所起的效应,在迎风面林带中断时,风害累计损失率要比林带连续时的损失率高200%左右;但在连续经过5~6道林带,即400~600米范围,胶树的保存率即可提高到与林带连续时的情况下相类似。 3.大范围的地形变化影响胶树保存率,以西向坡面保存率最高。小地形的变化,东西坡面的胶树保存率无规律性,但在迎风坡面的变坡线附近的局部地段,风害率均显著加重。 4.根据累计保存率的多少与各场多年的单株产量记录,初步划分了四个等级的产量区,即亩产<30公斤;30~50公斤; 50~7...

    本题通过对徐海植胶区PR107和海垦1两个抗风品系的累计风害状况的调查,分析它与台风来向、台风登陆后所经历的距离,林网及地形等因子与风害大小的规律性。先后共调查10个橡胶农场、1111个林段、11051.7亩共37万余株胶树。研究结果表明: 1.由于台风主要来自东面及东南面,橡胶树的保存率随距东海岸线及东南海岸线的远近而增减。自农场林网范围(此处距海岸线10公里左右)开始计算,向西或西北每延伸10公里,保存率可提高4~8%。据此,可以把该植胶区划分为:胶树累计保存率<50%;50~60%;>60%的三个亚类型区。 2.肯定了防护林网对防台风所起的效应,在迎风面林带中断时,风害累计损失率要比林带连续时的损失率高200%左右;但在连续经过5~6道林带,即400~600米范围,胶树的保存率即可提高到与林带连续时的情况下相类似。 3.大范围的地形变化影响胶树保存率,以西向坡面保存率最高。小地形的变化,东西坡面的胶树保存率无规律性,但在迎风坡面的变坡线附近的局部地段,风害率均显著加重。 4.根据累计保存率的多少与各场多年的单株产量记录,初步划分了四个等级的产量区,即亩产<30公斤;30~50公斤; 50~70公斤;>70公斤。本文根据胶树累计保存率和单位面积产量的高低;林带中断与否的状况;大小地形影响等综合因素,为进一步划分农场内土地利用经济效益的分析、合理安排作物布局提供了科学依据。

    This paper discussed the pathogeny, clinical symptom, pathological anatomy and laboratorial diagnosis of the poisoned buffaloes through carefull investigations of 138 sick buffaloes of some stateowned rubber plantations and their nearby countryside in Hainan. The result shows that buffalopoisoning is connected with taking in Cogongrassicide (sodium arsenite) Most of the sick buffaloes are young and robust, Taking in 10 kg of green grass stained with Cogongrassicide (containing 10g to 15g of sodium arsenite)...

    This paper discussed the pathogeny, clinical symptom, pathological anatomy and laboratorial diagnosis of the poisoned buffaloes through carefull investigations of 138 sick buffaloes of some stateowned rubber plantations and their nearby countryside in Hainan. The result shows that buffalopoisoning is connected with taking in Cogongrassicide (sodium arsenite) Most of the sick buffaloes are young and robust, Taking in 10 kg of green grass stained with Cogongrassicide (containing 10g to 15g of sodium arsenite) will cause poisoning reaction; more than 10 kg (containing 15g to 30g of sodium arsenite) may result in death caused by acute poisoning. Artificially disease-causing experiment shows the same symptom as the natural disease. It also raise a series of comprehensive preventing measures which have obtained some curative effects.

    本文对海南省大多数国营橡胶农场及邻近的农村138头病牛进行了深入的调查研究,并对牛只中毒的病因、临床症状、病理解剖以及实验室诊断进行探讨。结果表明:牛只中毒与采食灭茅草农药(亚砷酸钠)有关,以青壮龄牛居多。一次采食沾有灭茅药的青草(含亚砷酸钠10~15g)10kg,会引起中毒反应,采食10kg以上(含亚砷酸钠15~30g)的青草,可导致急性中毒死亡。人工发病试验与自然发病的临床表现相一致。且提出了一系列的综合防治措施,取得了一定的疗效。

     
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