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  干重
     The average concentrations of Cd, Cu, Zn, Pb, Cr, Ni in sediments were 5. 61, 302.12, 727.03, 163.37, 67.70, 84. 58 g/g dry wt ;
     结果显示:沉积物中Cd,Cu,Zn,Pb,Cr,Ni的平均含量分别为:5.61,302.12,727.03,163.37,67.70,84.58μg/g干重
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     those for Minjiang Estuary were ND-5.07, 21.5 -2 396 ND-6.78 ng/g dry wt., respectively.
     闽江口分别为ND - 5.0 7,2 1 .5~ 2 396 ,ND - 6 .78ng/g干重 .
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     Concentration ranges of HCHs, DDTs and PCBs in the survey area of eastern Xiamen Island were 0.18-345, 75.2-2143 and ND-234 ng/g dry wt., respectively;
     厦门岛东部HCHs、DDTs和PCBs的含量范围分别为 0 .1 8~ 34 5,75.2~ 2 1 43,ND 2 34ng/g干重 ;
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     Results:In the FDP group( n =7),myocardial creatine phosphate was 37 91±2 97 μmol/g dry wt at 90 min of ischemia,and was much higher than that of the hibernating myocardium group( n=7,p<0 05).
     结果:①冬眠90分钟时,FDP治疗组(n=7)心肌磷酸肌酸含量为37.91±2.97μmol/g干重,明显高于冬眠组(n=7)的15.76±0.76μmol/g干重(P<0.05)。
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     The calcium ion concentration in the myofibrils of the isoproterenol (ISO)-treated rats increased to 361mmol/L/kg dry wt, whereas Ca2+ in the myofibrils of the control rats were less than 1 mmol/L/kg dry wt. If the rat was administered ISO and verapamili (VPM) simultaneously, the Ca2+ approximated control values.
     大鼠经30mg/kg异丙基肾上腺素(ISO)皮下注射后6G,发现肌原纤维Ca~(2+)浓度明显升高,达每kg(干重)361mmol/L,正常对照组的Ca~(2+)浓度小于1mmol/L,每kg(干重),而ISO与异搏定同时使用时Ca~(2+)浓度与对照组近似。
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     The myocardial Ca2+ content was also lower in the ATP-MgCl2 group than in the simple reperfusion group 52.55±8.08 vs 80.64±17.37μg/g·dry wt (P<0.01).
     两组心肌Ca~(2+)含量为52.55±8.08μg/g·dry wt和80.64±17.37μg/g·dry wt.统计分析结果均示有显著差异(P<0.05或P<0.01).
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     Bioconcentration factor and amount of DBP accumulation reached their maximum of 85.94% mg/dry wt.g and 4.83×10~4mL/g at 1h.
     富集量和富集系数在1h达最大,分别为 85.94mg/g. dwc和 4.83 104mL/g。
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     , and the toxin contents in algal cells were 0.12 and 0.01 mg/g(dry wt.)
     ,二者在细胞中的含量各为0.12及0.01mg/kg。
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     The H2-photoproduction (HP) and its activity (AHP) were studied and found their maximum values are 39.8 ml · 20ml bacterial suspension-1 · 48h-1 and 7. 8ml · g cell dry wt. -1 ·h-1 respectively.
     最高产氢量为39.8ml·20ml菌液~(-1)·48h~(-1),产氢活性为7.8ml·g生物量~(-1)·h~(-1)”。
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     It was shown that afterbacterial cells with concentration of 4.8 mg dry wt ml~(-1) were irradiated for one minute by N_2laser beam with wavelength of 0.3371μm,power density of 0.153Mw cm~(2-1) and frequency of 1Hz,cell wall could be disintegrated as well as by chemical treatment.
     结果表明,以波长为0.3371μm、功率密度为0.43mW/cm~2、频率为1 Hz 的 N_2激光器照射浓度为4.8 mgdry·wtml~(-1)的菌体1分钟,可以达到用化学法同样的破壁效果。
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     dry.
     dry.
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     wt,*.
     wt、*.
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     Dry Etching
     干法腐蚀
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     ranging from 0. 57 to 4. 38 g (Dry wt)/plant.
     不同营养处理之间,菜心产量差异极为显著,变化范围为0.57~4.38g(干重)/株;
短句来源
     Root dry Wt and fresh Wt were positive related to the yield and spike number.
     根干重、根鲜重与籽粒产量、单位面积穗数呈正相关,前期与千粒重及穗粒数呈负相关,后期呈正相关。
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  dry wt
The total number and the number of viable microbial cells at depths of 0.2 and 3 m were about 1010 and 108 cells/g dry wt sludge.
      
The amount of microorganisms tolerant to 3, 5, and 10% NaCl and capable of growing at 7 and 40°C varied from 102 to 108 CFU/g dry wt sludge.
      
The addition of the cork matrix slightly stimulated shoot growth and enhanced pseudohypericin biosynthesis about threefold (to 0.4 mg/g dry wt).
      
The net uptake of CO2 by current-season shoots in a bilberry pine stand equaled 5.4 g CO2 per g dry wt for the growing season.
      
The net CO2 assimilation by one-year-old shoots over a growing season constituted 9.9 and 2.4 g CO2/(g dry wt year) in the upper and lower crown parts, respectively.
      
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Sodium Sulfanilate(Ⅰ)and sulfanilic acid (Ⅱ)were found to penetrate readily into the leaves when sprayed on groundnut plant,the amounts taken in being 0.1352 and 0.0772μg/mg dry wt.of leaf respectively.The distribution pattern of I within the plant was rather uniform. The amounts of the chemical in the upper,middle and lower leaves were 0.1043, 0.1070 and 0.1024μg/mg dry wt.of leaf respectively on the 8th day after spraying and 0.0972,0.0797 and 0.0765μg/mg dry wt.of leaf respectively on the...

Sodium Sulfanilate(Ⅰ)and sulfanilic acid (Ⅱ)were found to penetrate readily into the leaves when sprayed on groundnut plant,the amounts taken in being 0.1352 and 0.0772μg/mg dry wt.of leaf respectively.The distribution pattern of I within the plant was rather uniform. The amounts of the chemical in the upper,middle and lower leaves were 0.1043, 0.1070 and 0.1024μg/mg dry wt.of leaf respectively on the 8th day after spraying and 0.0972,0.0797 and 0.0765μg/mg dry wt.of leaf respectively on the 15th day.The acropetal translocation was demonstrated to be very prominent with I in groundnut plant. But merely a limited basipetal movement was shown,the amount recovered in the roots being only 0.25% of the chemical applied to leaves.However,the ability to move down-ward to a short distance was shown for I and the transverse translocation was found to be relatively more significant.Therefore,it is not necessary to have a highly uniform spray during the application of the chemical.The amounts of I determined in plants growing from seeds sown right after and 3 days after dressing were 2.4628-2.6200 and 1.8654-1.8664μg/plant respectively. It is,therefore,recommended to sow seeds on the day of dressing but not to store the treated seeds intentionlly when a seed treatment is claimed to control leaf rust of groundnut. Sodium sulfanilate was found to penetrate through roots and translocate to foliages in the above-ground parts of groundnut plant readily when applied to soil. Surfactants were shown to faciliate the penetration. The solution of I with an addition of "Tween 80"(Ⅲ)or colloidalsurfur containing 50% of sulphite by product of pulp)(Ⅳ) were found to promote the readiness of the movement of the chemical in soil. In a layat of "20 cm of soil, the retention rates of the chemicals were found to be 3.41% 2.58% and 2.74% for Ⅰ,Ⅲ and Ⅳ respectively. In the soil drench experiments on the control of leaf rust,it was found the efficacies were 59.45% and 95.52% for Ⅰ and Ⅳ respectively.It was thus further shown that the formulation of the combination of "di-xiu-na" and colloidal sulfur is very reasonable.

用对氨基苯磺酸钠(Ⅰ)和对氨基苯磺酸(Ⅱ)的内吸活性进行了研究,(Ⅰ)比(Ⅱ)易于从叶面透入花生植株内部,二者的内吸量分别为0.1352微克/毫克,叶干重和0.0772微克/毫克,叶干重。Ⅰ进入后在植株体内的分布是均匀的,在喷药后第8天测定的上部、中部和下部的药量分别为0.1043,0.1070和0.1024微克/毫克,叶干重。喷药后15天的分别为0.0972,0.0797和0.0765微克/毫克,叶干重。 Ⅰ的向顶性运转极为明显,向基性运转不明显,从植株地上部枝叶向根部运转的药量仅为施药量的0.25%,但短距离的移动还比较明显,更可以向横移动。因此对喷药均匀度的要求不高。 花生种子用Ⅰ拌后当天播种与拌后贮存3天后才播种。在这两种处理中,药剂透入并运转到苗的地上部枝叶的量分别为2.4628~2.6200微克/株和1.8654~1.8664微克/株。因此,用于拌种时拌后不要贮存,以当天播种为宜。 Ⅰ容易被根部吸收并运转到地上部枝叶中。在Ⅰ中加入“吐温80”(Ⅲ)或胶体硫(Ⅳ)(含大量造纸废液),可提高其在土壤中深透移动,在20厘米土层中的滞留药量分别为Ⅰ:3.41%,Ⅲ:2.58%,Ⅳ:2.74%;在浇土防病中...

用对氨基苯磺酸钠(Ⅰ)和对氨基苯磺酸(Ⅱ)的内吸活性进行了研究,(Ⅰ)比(Ⅱ)易于从叶面透入花生植株内部,二者的内吸量分别为0.1352微克/毫克,叶干重和0.0772微克/毫克,叶干重。Ⅰ进入后在植株体内的分布是均匀的,在喷药后第8天测定的上部、中部和下部的药量分别为0.1043,0.1070和0.1024微克/毫克,叶干重。喷药后15天的分别为0.0972,0.0797和0.0765微克/毫克,叶干重。 Ⅰ的向顶性运转极为明显,向基性运转不明显,从植株地上部枝叶向根部运转的药量仅为施药量的0.25%,但短距离的移动还比较明显,更可以向横移动。因此对喷药均匀度的要求不高。 花生种子用Ⅰ拌后当天播种与拌后贮存3天后才播种。在这两种处理中,药剂透入并运转到苗的地上部枝叶的量分别为2.4628~2.6200微克/株和1.8654~1.8664微克/株。因此,用于拌种时拌后不要贮存,以当天播种为宜。 Ⅰ容易被根部吸收并运转到地上部枝叶中。在Ⅰ中加入“吐温80”(Ⅲ)或胶体硫(Ⅳ)(含大量造纸废液),可提高其在土壤中深透移动,在20厘米土层中的滞留药量分别为Ⅰ:3.41%,Ⅲ:2.58%,Ⅳ:2.74%;在浇土防病中的防效分别为Ⅰ:59.45%,Ⅳ:92.52%。这就进一步说明,敌锈钠和胶体硫混合使用是很理想的。

Skim serum is an industrial effluent from rubber factories. It is of higher BOD and contains about 1% protein and 0.05-0.3% ammoniacal nitrogen, etc. The effluent was used to culture Geotrichum candidum as SCP(single-cell protein) feed, thus reducing environmental pollution. This paper describes the optimum technical conditions for culturing Geotrichum candidum with skim serum effluent.The experiments were carried out on a multifactorial and orthogonal design. The results showed that, among the four strains...

Skim serum is an industrial effluent from rubber factories. It is of higher BOD and contains about 1% protein and 0.05-0.3% ammoniacal nitrogen, etc. The effluent was used to culture Geotrichum candidum as SCP(single-cell protein) feed, thus reducing environmental pollution. This paper describes the optimum technical conditions for culturing Geotrichum candidum with skim serum effluent.The experiments were carried out on a multifactorial and orthogonal design. The results showed that, among the four strains used, Geotrichum candidum Shuntang No.2 recorded the highest VPE. When 1-1.5% of carbon source was added to the skim serum medium, Geotrichum candidum grew very well on it and the cell yield(dry wt.) accounted for 1.5%. Besides, the reducing sugar consumption was lower. The ratio of cell (on dry wt. basis) to reducing sugar consumption was 1:0.6. The residual sugar in the medium was less than 0.1%.We came to the conclusion that the optimum technical conditions for culturing Geotrichum candidum with skim serum effluent are: molasses used as carbon source, carbon-nitrogen ratio (C:N)-10:1, aeration=1:1 (V V), pH 5.5, fermenting duration 9-10 hours, fermenting temperature 29°—/31℃, stirring speed 450 rpm.In addtion to 53.85% of crude protein, 3.65% of fat and 6.34% of nucleic acid, Geotrichum candidum grown on this medium contained 18 amino acids and vitamin B, but its aflatoxin B_1 was less than 5ppb. These cells are highly nutritious. They may be used as SCP feed for poultry and livestock, or for extracting nucleic acid, thereby reducing BOD.

胶清废水系天然橡胶初加工时的一种工业废水,具有较高的生化需氧量(BOD),其中约含有1%蛋白质,0.05~0.3%氨态氮等。我们曾利用这种废水培养白地霉(Geotrichum candidum)作为单细胞蛋白饲料,从而减少对环境污染。本文叙述了利用胶清废水培养白地霉的最适工艺条件。试验采用多因子正交设计法。试验结果表明:在采用的四个菌株中以顺糖2号自地霉的容积生产效率(VPE)最高,在培养基中仅需添加1~1.5%的碳源,该菌株在胶清废水中就能良好生长,干菌体产量达1.52%。此外,耗糖少(菌体与还原糖之比为1:0.6),残糖低(0.1%以下)。试验表明,最适培养条件是:糖蜜作碳源、碳氮比10:1,通气量(V/V)1:1,pH值5.5,发酵时间9~10小时,温度29~31℃,搅拌速度450转/分等。其菌体含粗蛋白质53.85%,脂肪3.65%,核酸6.34%,并含有18种氨基酸,具有赖氨酸等8种营养必需的氨基酸,和乙族维生素等,黄曲霉毒素B_1<5 ppb。所得菌体营养丰富,不仅供作禽畜的单细胞蛋白质饲料,并可抽提核酸,同时可减少胶清废水的生化需氧量(BOD)。

Accumulation of proline has been reported in various kinds of plants undersalt stress. This paper is a report on the free amino acid composition and prolineaccumulation in Spartina anglica in redistilled water and NaCl solution. Seven-te en different free amino acid in the seedlings were studied. Proline contentwas found higher in NaCl solution than in redistilled water and increased withan increase in NaCl concentration. Determinations were made after a 15-daygrowth. The proline accumulation in 400 mM 200 mM...

Accumulation of proline has been reported in various kinds of plants undersalt stress. This paper is a report on the free amino acid composition and prolineaccumulation in Spartina anglica in redistilled water and NaCl solution. Seven-te en different free amino acid in the seedlings were studied. Proline contentwas found higher in NaCl solution than in redistilled water and increased withan increase in NaCl concentration. Determinations were made after a 15-daygrowth. The proline accumulation in 400 mM 200 mM and 100 mM NaCl solu-tion was 66. 21, 22. 65 and 6.97μmole/g. dry wt., respectively. The proline contentof the seedlings alternately grown in redistilled water and NaCl solution showedthe great influence excerpted on the seedlings by the concentration of the externalNaCl solution. There is also a discussion on the probable significance of salt stresson the physilogical adaptation of plants.

用NaCI溶液培养15天的大米草幼苗,脯氨酸积累较双蒸水培养的多。同时随着溶液中NaCl浓度的增高,脯氨酸的积累也增加。用双蒸水和NgCl溶液交替培养的结果表明,大米草幼苗中脯氨酸的含量与溶液的盐度有着密切相关。

 
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