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could keep
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  能保持
     Application of N 112.5 kg hm~(-2) a~(-1)and P 20 kg hm~(-2) a~(-1) could keep I-P in balance in the soil.
     本试验黑土中施入N 112.5 kg hm-2a-1和P 20 kg hm-2a-1能保持土壤中无机磷(I-P)平衡。
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     As EP was over 60~70 mV, the amplitudeof AP could keep over 80%;
     当EP值在60~70mV以上时,AP-N1振幅能保持在80%以上;
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     3 % O2 treatment could keep high quality of fresh pak choy at ambient temperature or 2 ℃.
     经3%O2处理的青菜在常温和2℃下都能保持较好的品质。
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     Although the optimum pH of the ferment filtrate was 7.0,at pH3.0,it could keep 71% activity,at pH11.0,it could keep 67% activity. The ferment filtrate was non-sensitive to protease K,and protease K had some auxo-action to the ferment filtrate.
     该发酵滤液抑菌作用的最适pH值为7.0,在pH 3.0时能保持71%的抑菌活性,在pH 11.0时,仍能维持67%的抑菌活性,此发酵滤液对蛋白酶K不敏感,并且蛋白酶K对该发酵滤液的抑菌活性也起一定的促进作用。
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     At 28-37℃, the bagged wheat was sealed in six-Side with PVC film. The mixture of epoxy ethane and CO_2 (3∶7) was used at the dosage of more than 150g/m~3.The mixture was effective to treat the infected wheat. It was safe, practical and could keep edible quality of the wheat. At the dosage of 200g/m~3, the residue was 0.5276mg/kg.
     包装病麦,采用聚氯乙烯塑料薄膜六面密封,粮温在28~37℃之间,用环氧乙烷与CO_2(3∶7)混合剂量为150g/m~3以上,并采取安全操作法,是行之有效的,可以作为处理矮腥黑穗病麦的一种措施,有效、安全、实用,并能保持小麦食用品质. 混合剂用量200g/m~3,残留量为0.5276mg/kg.
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  能维持
     Although the optimum pH of the ferment filtrate was 7.0,at pH3.0,it could keep 71% activity,at pH11.0,it could keep 67% activity. The ferment filtrate was non-sensitive to protease K,and protease K had some auxo-action to the ferment filtrate.
     该发酵滤液抑菌作用的最适pH值为7.0,在pH 3.0时能保持71%的抑菌活性,在pH 11.0时,仍能维持67%的抑菌活性,此发酵滤液对蛋白酶K不敏感,并且蛋白酶K对该发酵滤液的抑菌活性也起一定的促进作用。
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     PBP 4-9 and the DCD could keep higher content of NH4+-N in the soil for over 49 days.
     PBP4~9及DCD均能维持土壤较高的铵态氮贮存量达49d以上;
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     With comparison to LAK cells and CD 3-AK cells, T-AK cells had the advantages of rapid amplifying and low independence on IL-2. The amount of cells increased by 24 times after being cultured for 14 days, 8 times than that of CD 3-AK cells. and 15 times than LAK cells. The cells could keep alive for 21 days.
     与LAK细胞、CD3 - AK 细胞比较,T- AK细胞扩增快、低依赖IL- 2,培养14 天细胞数扩增24 倍,比CD3 - AK细胞高8 倍,比LAK细胞高15 倍,并能维持生长21 天。
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     Moreover, 20 mmol/ L carnosine could keep the hepatocytes in the serum-free culture survive for more than 8 days.
     4)添加2 0mmol L肌肽的实验组与对照组相比,能维持无血清培养肝细胞的形态达8d。
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     Conclusion Using clinical common propofol dose of 3~5mg·kg -1·h -1 to get AHHD before operation is safe and could keep the circulation steady. The effect of propofol is better than enflurane.
     结论 术前AHHD时 ,麻醉维持以常用剂量的异丙酚 3~ 5mg·kg-1·h-1持续静注是安全的 ,能维持循环的稳定 ,且异丙酚比氨氟醚麻醉维持更适宜。
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  “could keep”译为未确定词的双语例句
     After protecting tint and curing, with soaking Toona sinensis Roem with CuAc of pH4.0,200mg·kg-1 for 20min and then with Na2CO3 of pH7.0, 0.5% for 10min,it could keep good green color.
     椿芽经护色、腌制后用pH值4.0、浓度200mg·kg-1的醋酸铜复绿液浸泡20min,再用0.5%Na2CO3溶液调pH值7.0左右并保持10min,可获得较好的复绿效果;
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     The XRD characterization presented that both the Mg-Al-Ru-CO3 catalyst and Co-Al-Ru-CO3 catalyst could keep hydrotalcite structure after the partial sub-stitution of Al with Ru.
     XRD实验表明钌部分替换制得的Mg-Al-Ru-CO3和Co-Al-Ru-CO3可保持水滑石的结构;
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     (1) After 16 days' storage, the A、B and C treatment could keep the good fruit rate of Cuiguan pear as 25.12%, 87.27% and 98.64%, respectively.
     试验结果表明,(1)A、B和C处理的翠冠梨在贮后16d,好果率分别为25.12%、87.27%、98.64%。
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     The repeated tests indicated that the catalyst life time was better than that of calcined K_2CO_3/γ-Al_2O_3 and KF/γ-Al_2O_3 catalysts. It could keep activity after being continuously used for 20 cycles.
     重复使用实验结果表明,CaO的催化活性比K_2CO_3/γ-Al_2O_3和KF/γ-Al_2O_3固体碱催化剂高,寿命更长,重复使用20次后催化效果无明显下降。
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     3.After fruit harvesting of persimmon, 100-200 mol/L Put, 50-150 mol/L Spd and 5-50 mol/L Spm could keep fruit firmness for a longer storage time for 3 days.
     3.柿果采收后用不同浓度的多胺处理,结果显示100~200μmol/L的腐胺(Put)、50~150μmol/L的亚精胺(Spd)、5~50μmol/L的精胺(Spm)浸泡处理,提高了磨盘柿采后柿果实硬度。
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  could keep
For the explicit scheme, it shows that the density and the internal energy could keep non-negative values under the CFL-like condition for the Steger-Warming FVS scheme once the initial gas stays in a physically realizable state.
      
The aim of our study was to perform an analysis of different variables to determine which factors are responsible for stabilizing the mother so that she could keep the child.
      
But, when the PEO and these kinds of salts were added together to the suspension, the one with PAA sodium salt could keep a higher stability even with lower molecular weights of PEO compared with suspension with PMA sodium salt.
      
It has also been confirmed that, even in the range of vacuum UV (VUV, 200-150 nm), CaF2 samples with antireflection coatings could keep such a good antireflection effect.
      
For both explicit and implicit 1st-order LxF schemes, from any initial realizable state the density and the internal energy could keep non-negative values under the CFL condition with Courant number 1.
      
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1. In 1976, Porphyra(Porphyra yezoensis Ueda) disease occurred in large areas in Qidong, Jiangsu Province. Through investigation, it was found that the current flow in this region had been hindered by crowded floating rafts and the impedance of the current flow might be the main cause of the disease. In this region floating rafts were improperly and densely installed making the current flow impeded. Consequently, the physiological function of the algae was disordered and disease occurred. With the aim to improve...

1. In 1976, Porphyra(Porphyra yezoensis Ueda) disease occurred in large areas in Qidong, Jiangsu Province. Through investigation, it was found that the current flow in this region had been hindered by crowded floating rafts and the impedance of the current flow might be the main cause of the disease. In this region floating rafts were improperly and densely installed making the current flow impeded. Consequently, the physiological function of the algae was disordered and disease occurred. With the aim to improve the condition of the current flow, the whola culture area was reduced and divided into several districts. Flowting rafts were installed at reasonable intervals, in separated districts, so to leave a number of large and small passages between and thus made the current flow unimpeded. Good results were produced from this improvement. 2. The use of "refrigerated netting" for a short period to avoid the season for the occurrence of the disease could keep the production of Porphyra stable. However, the nettings should not be kept in the store house later than tha. first ten days of January. An excessive long storage time in cold store would cause not only an increase in expenses but also a decrease in the yield of Porphyra by more than 50%.

1.1976年江苏省启东县紫菜发生了大面积病烂。通过调查、分析,初步认为与温度、营养盐、盐度因子的关系不大,主要是由于养殖筏架设置得不合理和密度过大,使养殖海区潮流受到阻滞,引起紫菜生理失调,造成病烂。从改善养殖海区的海流状况着手,减少养殖面积,分区设置筏架,区间留大、小航道,收到了良好的效果。 2.利用冷藏网避开病烂期,可以起到稳定紫菜生产的作用,但出库时间不能迟至1月上旬。出库过迟不仅增加冷藏费用,而且紫菜的产量也减少到50%以下。

The conidia of powdery mildew were inoculated on the wheat seedlings growing in tube containing 50ppm benzimidozole and 1.5% agaragar. The tubes were then placed in refrigerator with a temperature of 1-5℃ but with- out light during the storage period. The experimental result showed that the fungus could keep its vitality for 180 days on end. The higher the temperatu- re the shorter the time of survival in storage. While the concentration of be- nzimidozole was increased to 100 or 200ppm the vital time...

The conidia of powdery mildew were inoculated on the wheat seedlings growing in tube containing 50ppm benzimidozole and 1.5% agaragar. The tubes were then placed in refrigerator with a temperature of 1-5℃ but with- out light during the storage period. The experimental result showed that the fungus could keep its vitality for 180 days on end. The higher the temperatu- re the shorter the time of survival in storage. While the concentration of be- nzimidozole was increased to 100 or 200ppm the vital time of the fungus in storage increased slightly. Surface sterilization of seeds brought about a longer living time of the fungus than those unsterilized. The fungi on these seedlings growing up from sand culture or soil culture could only keep alive about 30- 50 days.

本文报道将小麦白粉菌的分生孢子接种于生长在含50ppm苯骈咪唑的1.5%琼脂培养基试管幼苗中,于1-5℃不加光照的冰箱中保存。种子表面消毒处理与培养基灭菌与否,对保存时间的长短有显著区别:种子表面不消毒、培养基不灭菌者,一般保存135-150天;种子表面消毒、培养基灭菌者,保存时间达150-170天,最高达180天。提高保存温度,保存时间缩短。增加培养基中苯骈咪唑浓度,保存时间略有增加。在培养基中另加营养液,保存时间无变化。

1.There are mainly two modes of first divisions from pollen cells diverted into sporophytes in anther culture of wheat,i.e.equal and unequal divisions.According to Feulgen reaction of its daughter nuclei and whether they participate in the formation of multicellular pollen or not,we distinguished four basic types of the abnormal pollens, i.e.type A,B.C and D.C and D are the types in which their generative nuclei were involved in the formation of multicellular pollen.2.Before inoculation,the excised. anthers...

1.There are mainly two modes of first divisions from pollen cells diverted into sporophytes in anther culture of wheat,i.e.equal and unequal divisions.According to Feulgen reaction of its daughter nuclei and whether they participate in the formation of multicellular pollen or not,we distinguished four basic types of the abnormal pollens, i.e.type A,B.C and D.C and D are the types in which their generative nuclei were involved in the formation of multicellular pollen.2.Before inoculation,the excised. anthers on N_6 liquid medium supplemented with 10% sucrose were subjected to a pre- treatment for 72 hours at 3—5℃,then the anthers were suspended on N_6 liquid me- dium containing 12rag/1 IAA,2rag/1 kinetin,300mg/1 casein hydrolysate and 10% sucrose.Under these conditions the mean amount of multicellular pollen grains per anther might be increased to 21.42.3.We also found that the early development of pollens was related to the viability of anther wall tissue.Comparatively,higher exoge- nous hormones could keep viability and prolong the life of anther wall cells.

1.小麦花粉细胞转向孢子体发育的第一次分裂为均等和不均等两类形式。根据其子核对Feulgen 反应的性质及其参与多细胞花粉的形成与否,可将异常花粉分为 A、B、C 和 D 四种基本类型,其中 C 和 D 是有生殖性细胞参加花粉胚构成的类型。2.将花药放在 N_6+10%蔗糖液中于3—5℃下预处理72小时后,转入 N_6+IAA(12毫克/升)+动力精(2毫克/升)+酪朊水解物(300毫克/升)+10%蔗糖液中悬浮培养,每个花药的多细胞花粉平均产量可达21.42个。3.花粉早期发育与药壁组织的活力有关,而高水平的外源激素又可保持和延长药壁及药隔细胞的生活力。

 
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