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cotton
相关语句
  棉花
    EFFECT OF POTASSIUM ON HIGH-YIELDING FERTILIZATION FOR WHEAT,CORN AND COTTON
    钾在小麦、玉米、棉花高产施肥中的效应
短句来源
    A STUDY ON THE ECONOMIC BENEFIT OF INTERCROPPING PEANUT WITH COTTON AND ITS CULTURE TECHNIQUE
    棉花与花生间作经济效益及栽培技术的研究
短句来源
    PRELIMINATY RESEARCH ON ECOLOGICAL AND ECONOMIC BENEFITS OF RAPE‖ STRAWEERRY/COTTON‖STRAWBERRY
    “油菜‖草莓(收果)/棉花‖草莓苗”生态经济效益研究初报
短句来源
    The optimum rate of K2O for wheat,maize and cotton were 112.5-150.0 kg/hm2,112.5-180.0 kg/hm2and 150-225 kg/hm2 respectively.
    小麦、玉米和棉花作物的K2O适宜用量分别为112.5~150.0、112.5~180.0和150.0~225.0kg/hm2。
短句来源
    There is more 127.5kg/666.7m2 product of cotton in the drop irrigation under plastic film than in the soft pipe irrigation under plastic film.
    棉花膜下滴灌平均单产(籽棉)比棉花膜下软管灌平均单产(籽棉)多127.5kg/666.7m2。
短句来源
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    STUDIES ON THE BALANCE OF SOIL ORGANIC MATTER IN SUMMER COTTON FIELD
    麦套短季田土壤有机质平衡研究
短句来源
    Discontinuing the Tendency of Ascendent Fertilier Imput──Another Exposition on the Principle of High Yield Fertilizer Application in Mulch Farming Cotton Field
    肥料投入攀升之风不应再长──再论地膜高产施肥原理
短句来源
    Storing Security Test of Cotton Seeds Coated with SCF No. 24
    种衣剂24号包衣种贮藏安全性试验研究
短句来源
    Influence of Fertilization and Environmental Temperature on the Resistance of Bt Transgenic Cotton to Cotton Bollworm
    施肥量和环境温度对转Bt基因抗虫性的影响
短句来源
    Studies on Optimum Model of High yield Cultivative Measure of Relaying Cotton in Wheat on the Eastern Henan Plain
    豫东平原麦套高产栽培措施优化决策模型的研究
短句来源
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  “cotton”译为未确定词的双语例句
    ENZYME-LINKED IMMUNOSORBENT ASSAY OF GA_3 IN FIBRE OF COTTON
    酶联免疫吸附测定分析棉纤维中的GA_3
短句来源
    Calibration Study of the Determination of Cotton Soil Moisture with Neutron Probe
    中子水分仪测定棉田土壤含水量的标定研究
短句来源
    Study on Precision Fertilizer Recommendation and Soil Nutrition Management in Cotton Land Based on GIS System
    基于GIS的棉田精准施肥和土壤养分管理系统的研究
短句来源
    Research on Regulation of Soil Water-salt Transport under Subsurface Drip Irrigation in Cotton Field in Xinjiang
    新疆棉田地下滴灌土壤水盐运移规律的初步研究
短句来源
    Study on Adsorbing Traits and Availability of Soil Nutrient Elements in Xinjiang Cotton Field
    新疆棉田土壤养分的吸附特征与有效性研究
短句来源
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  cotton
Enzymatic hydrolysis of neutral fat of cotton oil soap stock with a nonspecific lipase produced byOospora lactis F-500 was designed.
      
Utilization of cotton oil soap stock as the only source of carbon during cultivation of the fungus was studied.
      
The rate of hydrolysis of soap stock fat strongly depended on the way of biological conversion of cotton oil soap stock.
      
The resulting mixed cultures utilized cellulose, cellobiose, glucose, maize residue, cotton, and flax boon producing ethanol (up to 0.9 g/l) and acetic acid (up to 0.8 g/l).
      
Use of the Fungus Panus tigrinus in the Manufacture of Pressed Materials from Cotton Plant Waste
      
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This paper deals with the measures of vacuum fumigation withmethyl bromide or ethylene oxide to control stored product pests forplant seeds or animal diseases,In 1976-1979 a PCV-1000 precedure con-trol vacuum fumigator was manufactured.It consisted of a 1m~3 circu-lar steel chamber with equipments associated pumping,heating andfumigant vaporizing,an operating case and the decomposition arrang- ment of the fumigant vapor(methyl bromide and ethylene oxide).The test results indicated that the 2-3 hour fumigation...

This paper deals with the measures of vacuum fumigation withmethyl bromide or ethylene oxide to control stored product pests forplant seeds or animal diseases,In 1976-1979 a PCV-1000 precedure con-trol vacuum fumigator was manufactured.It consisted of a 1m~3 circu-lar steel chamber with equipments associated pumping,heating andfumigant vaporizing,an operating case and the decomposition arrang- ment of the fumigant vapor(methyl bromide and ethylene oxide).The test results indicated that the 2-3 hour fumigation with methylbromide at a dose of 75-90g per m~3 and the 3 hour fumigation withethylene oxide at a dose of 90-120g per m~3 which were at a pressureof 2-3 cm Hg absolute,were effective in controlling the insect sampleswrapped in various ways,such as the larvae of khapra beetle(Tro-goderma granarium Verts,Trogoderma persicum Pic.),the adults of ricebore beetle(Rhizopertha domica(F.)),red flour beetles(Triboliumcastaneum(Hbst.))and rusty grain beetles(Cryptolestes ferrugineus(Step.)),the rice weevils of all stages(Stophilus oryzae(L.))and Chi-nesis weevils(Callosobruchus chinensis(L))etc.The 5 hour fumigationwith ethylene oxide at a dose of 500g per m~3 and the 12 hour fumiga-tion at a dose of 300g per m~3 which were at a pressure of 2cm Hg abso-lute,were effective in destroying the animal“Anthrax”germs.The5 hour fumigation with the mixture of ethylene oxide at a dose of 40gper m~3 and methyl bromide at a dose of 160g per m~3 at a pressure of2cm Hg absolute were effective in controlling the germs of Fusariumwilt of cotton(Fusarium oxysporium(ATK)).Afterwards the residual fumigant was pumped out from the cham-ber and air-washings were twice carried out.The chamber was thenopend.The atmosphere in the case was tested to ensure that methylbromide or ethylene oxide residual quantity did not far exceed themaximum allowable concentration.The 5% NaOH alcohol solution used to decompose methyl bromidecould produce 96 per cent effect while water used to decompose ethyle-ne oxide could produce 97-98 per cent effect.

真空情况下,利用溴甲烷、环氧乙烷杀虫、灭菌是一种安全、快速、有效的技术措施。为了使此技术广泛应用到农林种子、苗木、卫生防疫以及文史资料诸方面杀虫灭菌,试制成功一台容积工立方米的PCV-1000程序控制真空熏蒸机,并进一步进行溴甲烷、环氧乙烷杀虫灭菌效果及其熏蒸后残余毒气处理方法的研究。溴甲烷75—90克/立方米处理2小时,环氧乙烷90—120克/立方米处理3小时,可杀死各种形式的包装内的谷斑皮蠹和花斑皮蠹幼虫,赤拟谷盗和锈扁谷盗成虫以及玉米象和绿豆象各虫态等害虫。环氧乙烷灭菌能力较强,对动物炭疽菌、4001芽孢杆菌500克/立方米处理5小时或300克/立方米处理12小时,灭菌效果100%。溴甲烷和环氧乙烷混合使用对棉花枯萎病菌效果良好,对棉籽发芽率影响不大。熏蒸后残余毒气处理,用5%氢氧化钠酒精液吸收溴甲烷,破坏率可达96%以上。环氧乙烷用自来水淋洗法,水合分解率可达98%以上。

A technique for introducing exogenous DNA into plants has been applied to breed cotton and rice in China for several years. Genes responsible for disease resistance and other traits from different sources have been successfully transformed. Stabilized varieties thus obtained have been cultivated in the field for 7 to 10 generations. Some of them have already been extended to 200 hectare lots. By means of this technique the segments of DNA from donor were added to the genome of cultivars. It was found that...

A technique for introducing exogenous DNA into plants has been applied to breed cotton and rice in China for several years. Genes responsible for disease resistance and other traits from different sources have been successfully transformed. Stabilized varieties thus obtained have been cultivated in the field for 7 to 10 generations. Some of them have already been extended to 200 hectare lots. By means of this technique the segments of DNA from donor were added to the genome of cultivars. It was found that only 3 to 4 generations were needed to breed a new variety instead of 6 to 8 generations for conventional crossing.The technique is briefly as follows: After self pollination, the exogenous DNA is allowed to pass along the pathway of the pollen tube in the nucellus to enter the embryonic sac and transform the egg, zygote or early embryonic cells. The cell or cells to be transformed in that time do not have normal cell walls. The transformed seed then the plant could be obtained directly. The transformation rate could be as high as 10~(-2) . No protoplast preparation, cell culture or plant regeneration is needed. The DNA used is the total DNA segments (10~6-10~7 daltons) of the donor which carried the goal gene (s). This technique can be applied in principle to any flower plant. For a definite species, the details of the technique should vary in accord with the characteristics of the species. Different species of plants have different flower structures and also show differences in time and duration of pollination and fertilization.Since this biotechnique is simple, breeders take it up easily. It is a promising technique by which any gene source may be used for transformation when the gene structure is compatible with the recipient plant genome and the gene product fits into the metabolism of the plant. Using this technique useful genes can be screened for advancement in varieties.

一个外源DNA导入植物的技术已在我国棉花和水稻育种上应用多年,成功地转移了不同来源的抗病或其它性状基因。由此得到的稳定遗传新品系在大田中已繁殖7-10代,有的已扩种2000公顷。应用这一技术使供体DNA片段加入到栽培种的基因组中,育成一个新品种只需要3-4代,比常规育种6-8代的时间缩短一半。 这一技术的要点是:授粉后使外源DNA能沿着花粉管经过的珠心通道进入胚囊,转化尚不具备正常细胞壁的卵、合子或早期胚胎细胞。转化率可高达10~(-2),不需要原生质体的制备、细胞培养和再生植株。所用的DNA系带有目的基因的供体总DNA片段(10~6-10~7道尔顿)。这一技术的原理可以应用于任何开花植物。但针对不同植物的具体技术细则必需根据植物的花器结构以及授粉受精时间和过程来决定。 这一生物工程技术简单,育种工作者容易掌握,而且任何基因源都可能用来进行基因转化,只要基因的结构与受体基因组相容,基因的产物能适应受体植物的代谢。应用这一技术就能筛选出有用的基因改良品种。

The nine years' experiments in Cangzhou Prefecture showed that sub-chiselling cotton fields every other row that could break the plough pans mightform a loose and solid structure in tilth layer,which can promote rainfall waterinfiltration into soil and increase water storage in deep soil layer.Also,thiscan change the simple erect transportation rules of soil moisture,thus,the side.level transportation process of soil moisture takes place,shereby a special soilenvironment is created in which the aerobic...

The nine years' experiments in Cangzhou Prefecture showed that sub-chiselling cotton fields every other row that could break the plough pans mightform a loose and solid structure in tilth layer,which can promote rainfall waterinfiltration into soil and increase water storage in deep soil layer.Also,thiscan change the simple erect transportation rules of soil moisture,thus,the side.level transportation process of soil moisture takes place,shereby a special soilenvironment is created in which the aerobic and unaerobic bacterium environ-ment can exist simultaneously.As a result,the accumulation and release ofsoil nutrients can be conducted in synchronization so as to coordinate the rela-tions among soil water,fertilizers,gas and heat to boost an increase in cottonyields.

在沧州地区九年的试验表明,棉花苗期隔行深松打破犁底层,可形成一种虚实开存的耕层结构,能促进降水入渗,增加深层蓄水,并能改变土壤水通常单纯的垂直运移规律,出现侧向水平运移过程。创造出一种独特的土壤环境,好气性环境和嫌气性环境同时存在,使土壤养分的累积和释放同时同步进行,协调了土壤水、肥、气、热的关系,促进棉花增产。

 
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