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various combinations
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  不同组合
     Recombinant plasmid MD-411 estimated preliminarily to contain five pMGA genes was screened from gene library of Mycoplasma gallisepticum strain D9604. It was digested with various combinations of restriction enzymes. The physical pattern of 9.2 kb fragment in it was determined based on the sizes of restriction fragments and the cut-sites of restriction enzymes.
     对鸡败血霉形体(Mycoplasma gallisepticum,MG)D9604株基因文库中初步估测含有5个pMGA基因的重组质粒MD-411采用不同组合的限制性内切酶进行酶切,根据酶切片段大小及酶切位点绘制了9.2 kb外源片段的物理图谱。
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     The effects of the various combinations of PGE_2、TNF-α、and IL-1β on the calcium metabolism of cultured rat calvaria
     前列腺素E2、肿瘤坏死因子α、白细胞介素1β不同组合对培养骨器官钙代谢的作用
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     Methods Flow cytometry and electron microscopy were applied to detect apoptosis of U937 cells after treatment with various combinations of As 2O 3, DMNQ and ascorbic acid for 24 hours.
     方法 以As2 O3 、维生素C、DMNQ不同组合孵育细胞 ,采用流式细胞仪及电镜检测细胞凋亡 ,并设立各种对照。
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     The discrete vortex method for the numerical simulation of the evolution of Kelvin Helmholtz instability and the general solution of the system of the linearized evolution equations are geiven. The Kelvin Helmholtz instabilities in the large deformation stage are simulated numerically for various combinations of values of Atwood number α , Froude number F and β (the reciprocal of Bond number) and some patterns of the dependence of the large interfacial deformation behaviors on the three parameters are found.
     给出数值模拟Kelvin Helmholtz不稳定性发展的离散涡方法及线化发展方程组的通解 ,并从线化问题解的初始条件出发 ,对Atwood数α、Froude数F及Bond数的倒数 β值的各种不同组合下的Kelvin Helmholtz不稳定性的大变形发展进行了数值模拟 ,发现了界面大变形特性对这 3个参数依赖关系的一些规律 .
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     7. Having compared the best directions of various combinations, it is discovered that the best culture results may be achieved with a direction of 3∶2 for perlite and humus soil, however their costs are rather high.
     7、通过对不同组合的优良配方的比较发现,珍珠岩与腐殖质土比例为3:2时,栽培效果最好,但成本也相对较高。
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  各种组合
     The analysis of AVA character of BSR shows that different reflection coefficient values but similar configurations of AVA curves are given for various combinations of different concentrations of gas hydrate and free gas.
     结果表明 ,不同天然气水合物饱和度、不同游离气饱和度的各种组合呈现形态相似但反射系数值不同的AVA特征 .
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     The results indicated that under the conditions of various combinations, COD Cr concentration exceeds the norms seriously, whereby laying a solid foundation for farther implementing water pollution controlling work.
     结果表明,在各种组合条件下CODCr浓度均严重超标,为进一步开展水污染控制工作奠定了基础。
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     Using the electric power system simulation software NETOMAC developed by Siemens, and analyzing the future transient stability of the interconnection of the East China and Fujian power grids in 2007 and 2010, the simulating calculation on the East China-Fujian tie lines conducted with plans of adopting fixed series compensation and controllable series compensation respectively, and the various series compensation degrees and various combinations are compared.
     利用西门子公司开发研制的电力系统仿真软件NETOMAC,在分析2007年和2010年华东—福建联网暂态稳定问题的基础上,分别对华东—福建联络线采用固定串补方案和可控串补方案进行了仿真计算,对各种串补度及各种组合进行了比较研究。
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     Through various combinations, transformation and digital amplification of well logging information and geologicalparameters, fourteen kinds of sensitiuity parameters were determined to evaluate and recognize oil and gas bearing formation.
     本文采用测井信息及地质参数的各种组合、变换和数字放大技术,确定出14个评价和识别地层油、气的“敏感性”参数。
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     Results: In all 58 hearts, the anterior cardiac veins were constituted by the right marginal vein,anterior veins of right ventricle,veins of the arterial cone, posterior vein of arterial cone and zuckerkandl vein via various combinations , and eventually drain into the right atrium via intramural venous sinuses .
     结果:在58例心脏中发现右缘静脉、右心室前静脉、动脉圆锥静脉、动脉圆锥后静脉和主动脉壁静脉通过各种组合形式构成心前静脉系统,最后经壁内静脉窦注入右心房。
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  多种组合
     Study on Various Combinations of Hybrid Bioartificial Liver Support System in Treating Later Stage of Severe Hepatitis
     多种组合混合型生物人工肝治疗晚期慢性重型肝炎研究
     To get the same ventilation effect, various combinations of ventilation equipments are put into operation, but their energy consumption are different.
     对于竖井送排纵向通风隧道,为了达到相同的通风效果,投入运行的通风设备可以有多种组合,但能耗却是各不相同的。
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  “various combinations”译为未确定词的双语例句
     JC-6 and PA in various combinations could decrease the corrosion rate further and in mass ratio 9∶1(notated as JCP-6) at dosage of 1.5% could decrease the corrosion rate of the two metals at 70 ℃ to 0.013 and 0.069 mm/a respectively.
     质量比为9∶1的JC-6与PA复配物(代号JCP-6)使偶接钢材腐蚀速度进一步降低,在加量1.5%时,70℃时的腐蚀速度分别降至0.013和0.069 mm/a。
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     Embryo-genesis was induced from all parts of the seedling of G, davidsonii, on MS media supplemented with ZT (l-2mg/l) and IAA (0.05-0.2mg/l) in various combinations.
     叶片切块接种在附加ZT0.1—2mg/l和IAA0.05—1.2mg/l的MS培养基上,培养2—3周,发生愈伤组织。
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     (2) trial group 24 cases,divided into four groups randomly,and the experimental results were detected at 0d,7d,14d,21d,respectively. The basic medium supplemented with various combinations of growth /differentiation factors(FGF-1,FGF-2,LIF,SCF,HGF,and OSM);
     ②实验组24份脐血,随机分为4组,分别在培养的当天、7、14、21天进行实验测定:培养液中加入细胞因子SCF、OSM、HGF、LIF、FGF-1、FGF-2;
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     The immature embryos of Pinus massonian were cultured as explants on 1/2MS medium containing various combinations of BA and NAA at 25±2 ℃.
     取优良的马尾松幼胚作为外植体,在添加不同BA、NAA浓度配比的1/2MS培养基上于室温25±2℃进行组织培养.
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     Effects of various combinations of friction factor equations and two-phase viscosity correlations on the model precision are compared. Also, the effect of superheated liquid viscosity in metastable two-phase region is considered.
     建立了包含过冷液区、亚稳液区、亚稳两相区和平衡两相区的四区均相模型,比较了不同摩擦系数和各种粘度关系式组合、亚稳两相区过热液体的粘度对数学模型预测精度的影响;
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  various combinations
Functional and morphological changes were studied in overweight persons in tests with various combinations of normobaric hypoxia and physical training.
      
Correlation coefficients were considered for various combinations of analytical parameters for a series of 20 most widely used pesticides.
      
These include fusogenic and hydrophobic peptides, nuclear localization signals, receptor targeting and translocating peptides, and various combinations.
      
Examples of operation of the cellular algorithms for various combinations of faults are considered.
      
New binuclear copper complexes of tridentate azomethine ligands with various combinations of N, O, and S donor centers were prepared by various procedures, including template synthesis.
      
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The present paper deals with in vitro culture of immature sunflower embryos. The basic medium consists of modified White's medium, supplemented with thiamine 1 ppm, pyridoxine 1 ppm, nicotinic acid 1 ppm, Ca-pantothenate 0.5 ppm and glycine 3 ppm. and 4% sucrose and 0.8% agar were used throughout all the experiments. IAA and coconut milk (autoclaved) at different concentrations used singly or both mixed in various combinations were studied for their effect on embryo growth. The embryos isolated were about...

The present paper deals with in vitro culture of immature sunflower embryos. The basic medium consists of modified White's medium, supplemented with thiamine 1 ppm, pyridoxine 1 ppm, nicotinic acid 1 ppm, Ca-pantothenate 0.5 ppm and glycine 3 ppm. and 4% sucrose and 0.8% agar were used throughout all the experiments. IAA and coconut milk (autoclaved) at different concentrations used singly or both mixed in various combinations were studied for their effect on embryo growth. The embryos isolated were about 5 mm in length and they usually germinate precociously when inoculated on the culture medium. The results are summarized as follows: 1. IAA (0.05—20 ppm) is stimulatory on the embryo growth as shown in the increase of fresh weight of the treated embryos. IAA is effective in inducing embryo callus. At the concentration of 1 ppm there are about one fourth embryos producing callus, at 5 ppm, about two thirds of embryos, and above 10 ppm, 100% embryos forming callus. IAA is stimulatory on the formation and growth of the root at low concentrations (0.05—0.1 ppm), but it becomes inhibitory on the root growth at higher concentrations (10—20 ppm). 2. Coconut milk (autoclaved) has definitely a pronounced favourable effect on th shoot growth of the embryo and it inhibits the root growth. Both effects are particularly conspicuous at the stage of two weeks old culture, thereafter the difference between the control and the treated embryos gradually becomes insignificant. Coconut milk is also effective in inducing embryo callus but it is not so effective as IAA. 3. The effects on growth and induction of embryo callus become more pronounced when IAA and coconut milk are mixed in various combinations for treatment. There are certain similarities between the effect of coconut milk and that of IAA but it is improbable that the effective substance in coconut milk is only an auxin.

五、摘要根据向日葵胚(约5毫米长)的离体培养试验,我们得出下列结论: 1.IAA(0.05—20ppm)对于生长有促进作用,表现在鮮重的显著增加。IAA有引起胚愈伤组织形成的作用,1ppm IAA约有1/4的胚长愈伤组织,5ppm的约2/3,10ppm以上的100%胚长愈伤组织。IAA在低浓度时(0.05—0.1ppm)对根的形成与生长有促进作用,在高浓度时(10—20ppm)对根的形成与生长有明显抑制作用。 2.椰子乳汁(经高压消毒)对苗的生长有显著促进作用,对于根的生长有抑制作用,这种现象在培养前两周差别特别明显,在后期差别逐渐缩小。高浓度的椰子乳汁(20%以上)也可以引起愈伤组织的形成,但不如IAA有效。 3.当IAA和椰子乳汁混合处理时,对于生长的影响及愈伤组织的形成表现得更为明显。而椰子汁与IAA的作用有某些类似之处,但不能表明椰子乳汁中起作用的物质只是一种IAA。

A series of field and laboratory experiments were conducted during the years of 1956-1958 for studying the effects of soil salinity to the oviposition of the oriental migratory locust the results are summarized as follows: Under natural conditions, the locusts usually lay eggs under the ground surface covered by Phragmites communis, Imperata cylindrica and Aeluropus littaralis but not under the ground of Suaeda ussuriensis. It has been proved by the results of soil analysis that there is a certain relation between...

A series of field and laboratory experiments were conducted during the years of 1956-1958 for studying the effects of soil salinity to the oviposition of the oriental migratory locust the results are summarized as follows: Under natural conditions, the locusts usually lay eggs under the ground surface covered by Phragmites communis, Imperata cylindrica and Aeluropus littaralis but not under the ground of Suaeda ussuriensis. It has been proved by the results of soil analysis that there is a certain relation between the choice of oviposition site and the salt content of soils. (The principal salt ingrediens of saline soils in this area are in various combinations of the following ions: Na, Mg, Ca, Cl, Hco_3, So_4, but nearly 90% of the chemical compounds are sodium chloride). Comparative tests on the artificial salty soils with 15% of water, showed that more eggpods were laid in the soil with lower salt content. The locusts were able to select the actual salinity where the difference between two soils is greater than 0.3%. The effects of temperature on the rate of egg development have been disturbed by the salinity of soils. Eggs deposited in the soil with higher salt content always too more time for hatching, therefore their thermal summations accumulated through the whole developmental period are also greater than those in the soil with lower salt content. Probably the increasing of salt concentration in soil solution will either influence the water absorption of eggs from the soil or cause eggs to lose water. Both processes will delay the growth rate of the developing embryo. The sodium chloride concentration in soil is also an important factor affecting the surviral rate of locust eggs. The percentage of egg-hatching increases with the decrease of salt content in soils. The susceptibility of the eggs to salinity varies with the stage of development of the egg embryocs. For instance, the maximum tolerance of the newly laid eggs to salinity in the soil is only 0.3% by weight while the eggs, have already absorbed water and with the embryoes in stage of blastokinesis can survive in a higher salinity of 3.5%.

1.在黃海蝗区自然条件下观察,东亚飞蝗选择芦葦地、茅草地及獐毛草地产卵,不选择盐蒿地。分析結果表明选择的产卵地与土壤含盐量及含水量有密切关系。 2.以人工配制不同浓度的盐土,任飞蝗自由选择产卵,結果証明飞蝗对不同浓度盐分具有明显的选择能力。两种盐土含盐量的差異在0.25%以下时,所产的卵数約各占一半;若两者差異在0.3%以上时,产在低浓度盐土内的卵数比高浓度內显著增多。由此可知,雌蝗产卵时能选择的最低含盐量临界为0.3%。在一般中度盐土內,含盐量的差異愈大,选择力愈明显。 3.沿海蝗区蝗卵的孵化温积,因所在环境的土壤盐分、土壤水分、植被盖度以及腐植质的多少而異。芦葦地、獐毛草地的含盐量都较低。在其他条件相近的情况下,此二种植被地內的蝗卵发育温积均低于盐蒿地,由于盐蒿地土壤內盐溶液浓度大,影响卵正常吸水,因而延缓了发育期。 4.未吸水的蝗卵在人工配制的不同浓度盐土中孵育,浓度愈低,孵化率愈高。孵化的最高浓度极限为0.35%。吸水卵在含盐量1.0%以上的土壤中,其孵化率随盐分上升而递減,最高孵化的盐量极限为3.5%,二者对盐分的抵抗力差别甚大。

The excised anthers of Brassica napus had been cultured on different culture media with various combinations of plant hormones and other supplements. The results obtained showed that the Gamborg's B5 and Miller's media were rather effective for the induction of callus formation from the planted anthers than other media tested. In most conditions, the callus happened to develop readily from the anther filaments and connective tissues. In the case of the differentiation of shoots from callus tissue, our...

The excised anthers of Brassica napus had been cultured on different culture media with various combinations of plant hormones and other supplements. The results obtained showed that the Gamborg's B5 and Miller's media were rather effective for the induction of callus formation from the planted anthers than other media tested. In most conditions, the callus happened to develop readily from the anther filaments and connective tissues. In the case of the differentiation of shoots from callus tissue, our results indicated that the MS medium supplemented with appropriate amount of BA and NAA appeared superior to the same midium supplemented with the combination of kinetin and IAA. The composition of the media used for induction of callus formation markedly affect the subsequent differentiation of anther callus. The temperature was found to be critical for successfully transplanting plantlets from culture vessel into pot. Among the antherderived plant population from F1 progeny of B. napus × B. campestris, different forms of plants were segregated. Besides this, among the second generation's plant populations of the antherderived plants from B. napus, only a few of them appeared uniform in field experiments. It indicated that the frequency of formation of the true pollen-derived plantlets were significantly low in the anther culture of B. napus. Questions remained to be resolved were discussed.

试验了不同培养基配方和不同的激素及附加成分对油菜花药培养的影响。结果表明,对于诱导油菜花药形成愈伤组织,Miller和B_5,配方较好。但在大多数情况下,愈伤组织易从花丝及药隔组织形成。在MS培养基中加入适量的BA和NAA以诱导芽的分化,明显优于用激动素及IAA的组合。诱导培养基的组或对形成的花药愈伤组织随后的分化有明显的影响。温度是提高小苗移栽成活率的关键因素。由甘蓝型油菜×白菜型油菜的F_1植株的花药培养诱导形成的部分植株中出现了明显的分离现象。对花药培养诱导形成的植株的第二代群体的观察表明少数植株的后代群体表现整齐一致。这些结果说明在油菜的花药培养中可能有少数花粉植株的形成。讨论了油菜花药培养中存在的问题。

 
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