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dry weights
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  干重
     (3)the fresh and the dry weights of the seedlings with the agent seed soaking and spraying treatment on the seedbed were raised by 21.1%~86.7% and 14.1%~101.6%,52.3%~63.9%and 64.1%~98.4% respectively;
     (3)浸种和喷苗池育秧; 水稻秧苗株鲜重、干重分别比对照提高21.1%~86.7%、14.1%~101.6%和52.3%~63.9%、64.1%~98.4%;
短句来源
     Results show that 2 and 3 years ald Ceratoides arborescenscultivated in 1 × 1m ̄2 quadrats have, root dry weights of 122g and 565g,root volumes of392cm ̄3 and 1612cm ̄3,root lengths of 589m and 2453m , and root surface areas of13240cm ̄2 and 54141cm ̄2,respectively.
     研究结果表明,二年和三年生驼绒蒿在1×1m ̄2样方内,其根系平均干重分别为122g、565g,体积392cm ̄3、1612cm ̄3,根系总长589m、2453m,根表面积13240cm ̄2、54141cm ̄2。
短句来源
     The maximums of shoot and root dry weights were recorded at 8 mmol/kg Zn increased by 48.8%,52.2% contrast to the controls.
     黑麦草地上部干重、根系干重在8 mmol Zn/kg下达到最大值,分别较对照增加48.8%,52.2%;
短句来源
     The root dry weights in the three treatments were in order of N1>N2>N0,while the leaf dry weights of both N1 and N2 were greater than that of N0.
     播种后35~56 d,3个处理根干质量均表现为N1>N2>N0,而N1,N2叶干重均大于N0。
短句来源
     We added vitamins B_1 and B_6 to the vitamins B-free sucrose-pepotne-salts medium, and after 13 days under the condition of surface culture at 29℃, the dry weights of mycelium increased by 23.6 times.
     在除掉维生素的蔗糖—蛋白胨—无机盐培养基中同时添加B_1和B_6,于29℃下,经过13天静置培养后,菌丝干重比对照高23.6倍;
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  干重量
     But the difference is not conspicuous when the quantities of diets ingested are calculated into dry weights.
     但以干重量计算时这种差异并不显著。
短句来源
     By measuring the dry weights for all the eighteen kinds of bone and using the specific values of wet and dry bone weights from external information, the reference values of mass of total skeleton for Chinese adults (8.0 kg for males and 5.5 kg for females)were first proposed.
     经实测全身18类骨骼的干重量,引用国外已有的骨骼湿、干重比值,首次提出了我国成年人的骨骼总重量参考值,即男性8.0kg、女性5.4kg。
短句来源
     The blood and pulmonary tissue samples were harvested from the rats at 24 PBH for the determination of leukocyte adhesiveness/aggregation (LAA) in peripheral blood, myeloperoxidase (MPO), malondialdehyde (MDA) and superoxide dismutase (SOD) contents,and the ratio of wet to dry weights (W/D) of lung tissue.
     取肺组织测髓过氧化物酶 (MPO)、丙二醛 (MDA)、超氧化物歧化酶 (SOD)含量及肺组织湿干重量比 (W/D)。
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  “dry weights”译为未确定词的双语例句
     The results showed that, (1) NaCl stress reduced the number of K+ contents, K+/ Na+ and Ca2+/ Na+ ratios in shoots and roots, and dry weights of Tall Fescue, but increased Na+ and Cl- contents, and enhanced the selectivity of Cl--Na+ and K+-Na+;
     结果表明,NaCl胁迫浓度的增加使苇状羊茅茎叶和根系的K+含量、K+/Na+、Ca2+/Na+、干物质重下降,而使Na+、Cl-含量、Cl-/Na+及对K+/Na+的吸收与运输选择性增高。
短句来源
     30 days after the ALA treatments,the dry weights,starch and solvable sugar contents of treated watermelon plants increased separately by 42%~54%,62.2%~207.0% and 32.0%~87.1% compared with those of the control plants.
     处理后30 d分析表明,ALA处理植株干物质重量比对照高出42%~54%,淀粉含量增加62.2%~207.0%,可溶性糖含量也增加32.0%~87.1%。
短句来源
     Optimizing the fermentation conditions,given pH5.5,inoculum 10%,volume 80mL/500mL flask,being cultivated for 3 days at 28℃ and 200rpm and Se being added at the initial stage of fermentation,the dry weights of polysaccharides and Se in polysaccharides were 27.3mg/g and 816.7μg/g,respectively. And transformation rate was 34.2%.
     同时进行了红栓菌多糖富硒的发酵条件优化:pH5.5,接种量10%,装液量80mL/500mL三角瓶,28℃,200 rpm培养3 d,在发酵起始加入硒溶液,菌丝体多糖及多糖中硒含量分别达到27.3mg/g和816.7μg/g,多糖对无机硒的转化率为34.2%。
短句来源
     0.5< root toleration index (RTI)<1.0. Shoot dry weights and RTI obviously decreased with increasing Zn levels.
     0.5<根系耐性指数(RTI)<1.0。
短句来源
     The results showed that the content of chlorophyll a、chlorophyll b in leaves of tobacco、dry weights decreased significantly with the increase of added Cd except for the treatment of 1 mg·kg-1 Cd.
     烤烟叶片叶绿素a、叶绿素b、生物量随土壤Cd加入量的增加而显著下降,但Cd加入量为1mg·kg-1的处理与对照相比差异不大;
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  dry weights
In addition, dry weights of needles, leafless shoot parts of plant, fraction of thick (more than 0.5 mm in diameter) and thin (less than 0.5 mm in diameter) roots were recorded.
      
Root dry weights were practically similar in the wild type and tl plants until flowering.
      
Ni decreased dry weights of roots and shoots and reduced chlorophyll content in leaves.
      
Seed and shoot dry weights were affected negatively by drought stress.
      
Mycorrhizal plants, however had significantly higher seed and shoot dry weights than non-mycorrhizal plants at all moisture levels except for seed weight at 0.6 FC.
      
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Plasticizing agent is an organic surface-active admixture for cement mortar and concrete. It may be introduced also as an "addition" to the clinker during the grinding process in the manufacture of plasticizing Portland cement. In the USSR, the plasticizing agent under the name of "has been extensively and successfully used in construction works.The plasticizing agent is prepared by chemical treatment of the waste from the alcoholic fermentation of sulfite liquor in pulp manufacture. It contains calcium lignin...

Plasticizing agent is an organic surface-active admixture for cement mortar and concrete. It may be introduced also as an "addition" to the clinker during the grinding process in the manufacture of plasticizing Portland cement. In the USSR, the plasticizing agent under the name of "has been extensively and successfully used in construction works.The plasticizing agent is prepared by chemical treatment of the waste from the alcoholic fermentation of sulfite liquor in pulp manufacture. It contains calcium lignin sulphonate as an effective component and thus possesses hydrophilic property. Due to the adsorption of the agent, a colloidal layer is formed on the surface of the cement particle; hence the effective dispersion and the increase of lubricity between the particles.Following the Soviet experience of CCB, the Materials-Testing and Research Laboratory of Shanghai Civil Engineering Bureau successfully experimented with the preparation of thermal polymer of the plasticizing agent, and a series of tests on the characteristics of the agent were made. This paper attempts to describe the method of preparation and the main properties of the agent.The addition of the agent in an amount of 0.1—0.2% of cement (dry weight) markedly improves the workability and the texture of the mortar and concrete mixtures. It reduces the water requirement and the cement content. It improves the impermeability and durability of the hardened mortar and concrete.The agent has a retarding effect on the setting of cement. It lowers the early strength of mortar and concrete, while the strength of later age is higher than those without admixtures. The use of CaCl_2 accelerator in 0.5—1% of cement by weight speeds up the rate of development of the early strength.The proper dosage of the agent depends upon the properties of cement. Therefore, certain tests should be made with the specified cement and aggregates on the job before the adoption of the agent.

本文介紹亞硫酸鹽酒精液滓塑化劑實驗室中的試製以及對於水泥膠砂及混凝土技術性能方面的作用。首先說明一些塑化劑的理論及亞硫酸鹽酒精液滓的技術規格,再簡要的介紹上海市政工程局材料試驗研究所試驗研究的經過和結果;最后综合蘇聯對於塑化劑和塑化水泥使用的先進經驗。塑化剂是一種有機的表面活動性物質,利用造紙工業发液進行酒精發酵所得的液滓。加入微量的塑化劑——約為水泥重量的0.1—0.25%,可以顯著的改善膠砂和混凝土的性質。在增加流動性、改善和易性和提高耐久性方面,有十分的效用,尤其是對節約水泥用量有极大的意義。祖國的建设事業正迫切需要這類新型的建築材料,因此提供一些试驗研究結果,以供国家主管機關和科技工作同志們深入研究和推廣使用時的參考。

Occurrence of Ustilago tritici on the improved varieties of spring wheat is a serions problem in Manchuria.The use of modified hot-water treatment in the early spring is more or less limited on account of the enormous quantity of seeds and the short period of sowing time.For this purpose,the hot-water treatment of the seeds in the fall and to store over the winter after being perfectly dried is suggested. Experments are held in the laboratory and greenhouse,as well as in the field. The treated and untreated...

Occurrence of Ustilago tritici on the improved varieties of spring wheat is a serions problem in Manchuria.The use of modified hot-water treatment in the early spring is more or less limited on account of the enormous quantity of seeds and the short period of sowing time.For this purpose,the hot-water treatment of the seeds in the fall and to store over the winter after being perfectly dried is suggested. Experments are held in the laboratory and greenhouse,as well as in the field. The treated and untreated seeds are stored under various environmental conditions at different periods of longevity.A final measurement between treated and un- treated seeds is made. The results obtained from 1953 to 1955 indicate as follows:Generally,under normal dry conditions of more than five months' storage,there is no difference between treated and untreated seeds in the percentages of germination,rates of emergence,heights and dry weights of seedlings,and yields.However,under conditions of high relative humidity,the treated seeds would be deteriorated in the same manner as the untreated ones.Although the results point out that the treated seeds tend to delay the emergence of seedlings from soil,yet,it does not influence the later growth of the wheat plants.Varietal difference between the treatments in the experiments is insignificant. The tentative results lead to a conclusion that the seeds of spring wheat varieties to be treated in the fall and stored in the winter may have a practi- cal value in Manchuria.

1.经二年的试验证明,小麦种子经冷水温汤浸种后,充分干燥,在普通干燥室内贮藏达5个月以上,其发芽、出土、苗期生长及最终产量均不受影响。2.在潮湿情况下贮藏,种子的出土率即迅速降低。但温汤浸种后的种子对湿度的感应与一般种子无异。3.参加试验的三个东北地区小麦推广良种对于浸种与贮藏关系上所表现的反应一致。4.贮藏对温汤浸种的防病效果无影响。

For the study of the influence of oxidation-reduction conditions of thesoil on the growth of rice plant,pot experiments with three paddy soilswere conducted.The used soils included an acid paddy soil derived from quartiary red clay,an acid mountain paddy soil derived from granite anda neutral alluvial paddy soil.It was found that the application of green manure just before plantingin amount equivalent to 1% of the soil led to the retardation of growth ofrice as compared with the control treatment;dry weights...

For the study of the influence of oxidation-reduction conditions of thesoil on the growth of rice plant,pot experiments with three paddy soilswere conducted.The used soils included an acid paddy soil derived from quartiary red clay,an acid mountain paddy soil derived from granite anda neutral alluvial paddy soil.It was found that the application of green manure just before plantingin amount equivalent to 1% of the soil led to the retardation of growth ofrice as compared with the control treatment;dry weights of tops of riceplant amounted to only 78%,22% and 45% respectively of the controls forthe three soils.The difference in growth between the two treatments wasmost remarkable in the early period of plant growth.If the green manurehad been decomposed for one month in pot under semi-aerobic conditionsbefore planting,then the unfavorable effect could be noted only in theneutral alluvial paddy soil which contained a relatively larger amount oforganic matter.The improvement of oxidation-reduction conditions of the soil by inter-mittent applications of hydrogen peroxide and keeping the soil moisturecontent at a level of about 50—70% of water-holding capacity instead ofwaterlogging improved plant growth in soils with intensive reductionprocesses,the effect being most conspicuous in the acid mountain paddysoil where the unfavorable effect of green manure was also most remark-able.Measurements of oxidation-reduction potentials of leaves and stalks ofrice showed that the potentials were lowest when grown in pots with greenmanure,and were highest when hydrogen peroxide had been applied intothe soil.There was also a rough correlation between potentials determinedwith platinum electrode and with quinhydrone electrode,thus indicatingthat the redox systems of rice plant when grown under different oxidation-reduction conditions were not the same both expressed as intensity factor(redox potential)or as quantity factor(the change in redox potential ofquinhydrone).For the purpose of explaining the unfavorable effect of intensively re-duced conditions of the soil on the growth of rice plant,it was noted thatthere was a parallelism between the amounts of exchangeable and water-soluble ferrous iron of the soil and the magnitudes of unfavorable effect.Further pot experiment confirmed this supposition,in which the applicationof ferrous sulfate in amount of 50 mg.iron per 100 grams of soil alreadyled to the retardation of growth of rice.Conclusions were made that the unfavorable effect of reduction condi-tions of paddy soils on the growth of rice was due to the excessive amountof reduced materials,in which ferrous iron probably occuppied an out-standing position,and measures leading to the improvement of oxidation-reduction conditions of the soil could overcome this unfavorable effect.

1.土壤处于强烈的还原条件下时,对水稻生长有不良的影响,如果将土壤中的氧化还原条件改善,则对水稻的生长有益。2.土壤中的氧化还原情况,直接影响水稻体中的氧化还原电位,土壤电位低者,水稻中的电位也低。3.土壤中还原性物质的数量与水稻生长情况表现了明显的一致性,可见水稻在强烈还原条件下的生长不良,与还原性物质的过多有关。在还原性物质中,亚铁离子约占一半左右。4.试验结果指明,土壤中过多的亚铁离子,对水稻有毒害作用。

 
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