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  80 mesh
     When pH 5.0 to 8.5 and at 25 ℃ to 90 ℃, the weak adsorbance of shale powder (60 to 80 mesh) is 1.15~1 86 mg/g(ds), The physical-chemical adsrbance is 0.99~5.31 mg/g(ds), and the chemical adsorbance is 0.69~4.90 mg/g(ds).
     在 p H为 5 .0 0~ 8.5 0 ,温度在 2 6~ 90℃时 ,60~ 80目的页岩粉末的弱吸附为 1.15~ 1.86mg/g干样 ,可逆吸附为 0 .99~ 5 .3 1mg/g干样 ,不可逆吸附为 0 .69~ 4.90 mg/g干样。
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     The problem of short working life of core bit because of wearing out of the inner wear-resistant layer can be solved by adding 5% to 8% RVD_2 of 70/80 mesh to strengthen the inner layer or the width of inner layer being 1/3 that of the kerfs.
     在内缘耐磨层中添加5%~8%的RVD2型70/80目的金刚石进行弥散强化,或者将内缘耐磨层宽度设计成钻头宽度的1/3左右,可解决内缘耐磨层过早磨损而使钻头提前失效的问题。
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     The optimum conditions for extracting total phenols were as below: the blackberry pomace powder with 80 mesh in size was extracted twice by 50% ethanol containing 1% citric acid at 55℃ at the solid-to-solvent ratio of 1∶10 for 15 min. Under these conditions, the yield of total phenols was 93.72%.
     总酚的最佳提取工艺条件是:以80目的黑莓渣粉为原料,用含有1%柠檬酸的50%乙醇溶液为提取剂,在55℃提取2次,每次15min、料液比为1∶10,在此条件下总酚的提取率为93.72%。
短句来源
     Extraction of anthocyanins and polyphenols was optimized for yield. It was found that the maximum yield of anthocyanins of 98.33% was obtained when the blackberry pomace powder with 80 mesh in size was extracted twice by 50% ethanol containing 1% citric acid at 35℃ at the solid-to-solvent ratio of 1∶10 for 30 min.
     从黑莓渣中提取多酚和花色苷的研究结果表明,花色苷的最佳提取工艺条件是:以80目的黑莓渣粉为原料,采用含有1%柠檬酸的50%乙醇溶液为提取剂,在35℃提取2次,每次30min、料液比为1∶10。 花色苷的提取率为98.33%。
短句来源
     The results showed packed column with 2 m by 6 mm outside diameter, packed with TENAX TA 60~80 mesh, has higher sensitive than capillary column with 30 m by 0.32 mm internal dimeter, fixed phase with 5% diphenyl and 95% dimethyl polysiloxane.
     建立了用长 2 m,外径 6mm,固定相为 60~ 80目的TENAX TA的填充柱和长 3 0 m,内径 0 .3 2 mm的 HP5毛细管柱 ,采用非极性 5% diphenyl和 95% dimethylpolysiloxane为固定相。 比较分析结果 ,得出毛细管柱具有比填充柱更高的灵敏度。
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     In eleven separate experiments (pH = 4.3, the tea was dried at 60℃) the persentages of adsorption for Pb2+ are 86.9%, Cd2+ 41.3%, and the relative standard deviations are 2.3%, 2.7% respectively.
     于一定pH时及相同操作条件下,用60℃烘干碎成80目的茶,对Pb~(2+)、Cd~(2+)分别进行了11及7次测定,其吸附率均值Pb~(2+)86.9%,Cd~(2+)为41.3%,相对标准偏差是2.3%及2.7%。
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     The experimental conditions were as follows:The carrier is ceramics of 60-80 mesh,the concentration of indicator is 20%,the internal diameter of glass tube is 2.0-2.3mm,the sampling speed and volume are 0.3L/min and 12L,respectively.
     同时筛选出载体为60—80目的素陶瓷,指示剂浓度为20%。 玻璃管内径为2.0—2.3mm,采气速度为0.3(L/min),采样体积为12L,以此条件进行实验.结果表明,检测管变色长度对应SO2浓度的相关性很好;
短句来源
     METHODS The solvent was redistilled dimethyl sulphoxide. Headspace-GC was applied to quantitative analysis, using a stainless steel column (3 mm×2 m, GDS-203,60-80 mesh).
     方法以二甲基亚砜为溶剂,采用顶空气相色谱法,用不锈钢填充柱(3mm×2m,内装60~80目的GDX-203),载气为N2,流速50ml·min-1,柱温155℃;
短句来源
     the ratio of material to liquid,1∶30; extraction time,50 min. The extract yield of crude arabinogalactan was (19.47%).
     较佳工艺参数为:原料粒度60~80目的兴安落叶松木粉5.0g,超声波功率160W,料液比1∶30,提取时间50min,阿拉伯半乳聚糖粗糖收率19.47%。
短句来源
     Stainlessstell Column 2m×3mm I. D. , 12% Apiezon L, 0.5% Carbowax 20M, and 1% ascorbic acid on 70-80 mesh Chromosorb W AW DMCS, Nitrogen as carrying gas, flowing rate 55ml/min, Hydrogen flame ionization detector, Column temperature 137℃ and Sample 0.2μl.
     采用的分析条件是:2m×3mm内径的不锈钢柱,12%阿皮松L,0.5%聚乙二醇20M和1%抗坏血酸涂于70-80目的酸洗、硅烷化铬姆沙伯载体上,氮气作为载气,流速55ml/min,氢火焰离子化检测器,柱温137℃,进样量0.2μl.
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  相似匹配句对
     Objective:Basal ganglia calcification is a common sign on cranial computer tomography.
     目的:
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     ObjectiveArticular cartilage injury caused by trauma or disease is common clinically.
     目的
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     -80(?)
     —80(?)
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     Objective:To summarize the experiences of 80 cases with laparoscopic appendectomy.
     目的 :总结 80例腹腔镜阑尾切除术的经验。
短句来源
     The de-ashing efficiency was 70% ~ 80%,achieving the desired test objectives.
     脱灰率为70%~80%,达到了预期的试验目的
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  80 mesh
Acetonic solution of these acids is refluxed with methyl iodide and potassium carbonate for 30 minutes and then gas chromatographed with a column of 3% OV 17 on Varaport 30, 70-80 mesh, AW/DMCS.
      
A 2 m glass 3% OV-17 on Varaport 30, 70-80 mesh, AW/DMCS column was used.
      
Three particle size fractions of each substrate were investigated - 180-250?μm, 160-180?μm and 125-160?μm, denoted, respectively, by: 60-80 mesh, 80-100 mesh and 100-120 mesh.
      
Soy cake* was homogenized and filtered through an 80 mesh net to produce small, detritus-like particles.
      
Reliable long term operation of most emitter types was achieved with filtration at 80 mesh (180 μm opening) combined with daily chlorination and bimonthly lateral flushing.
      
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Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable...

Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable that SO2, is the emitter of these emission bands. Evidences were also found that these emission bands arc not the known bands of O2, Oa+ and S2 in the same region. As a further support a vibra-tional level scheme was worked out, using the three fundamental frequencies of the normal SO2, molecule (1150, 525, and 1360 cm-1) in the lower state and 750 and 350 cm-1 (possible also 1110 cm-1) as the frequencies in the upper state. This scheme accounts for 1Q% of the absorption bands, 70% of the emission bands and a small fraction of the fluorescent bands. While the scheme may not be the final due to the complexity of the vibrational formula, one feels fair, as far as the present evidence goes, to conclude that the emission bands observed are actually emitted by the SO2, molecules and that they can be fitted by a vibrational level scheme based on the three known fundamental frequencies of the normal state.

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之三基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以三原子分子情形复杂,完全正确之分析,尚有待焉。之...

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之三基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以三原子分子情形复杂,完全正确之分析,尚有待焉。之 能 力唯协所得之能 力 圆 山。。。,。w山。…。。。。\可。Z5t 叫 吸收 几 卅之70九传 时 光排 上 7,%及 比 儿 儿 卅上 一 个 部 份 此 能 力 闲 伙 不 正 全;故个能 望IC iX侦相 许 nt原一户 外 广似形 应 输,完全 正雕之分 析。尚有

Measurement of the intensity of total scattering of x-rays by a number of polyatomic gases was made for scattering angles between 15° and 130 ° using an ionization method of recording the scattered intensity. Balanced filters of ZrO2, and SrO were used to separate the MoKa rays and Soller slits were placed in front of the ionization chamber to obtain a definite scattering angle. The gases studied are CL2, CO2, N2O, H2S, CC14 and CHCl3. In each case the absolute values of the scattered intensity were determined...

Measurement of the intensity of total scattering of x-rays by a number of polyatomic gases was made for scattering angles between 15° and 130 ° using an ionization method of recording the scattered intensity. Balanced filters of ZrO2, and SrO were used to separate the MoKa rays and Soller slits were placed in front of the ionization chamber to obtain a definite scattering angle. The gases studied are CL2, CO2, N2O, H2S, CC14 and CHCl3. In each case the absolute values of the scattered intensity were determined by comparison with the scattering from oxygen, the results of Wollan for the latter gas being taken as correct. The experimental results are actually compared with Woo's theory of the scattering of x-rays by polyatomic gases and the agreement seems to be satisfactory.

吴有训氏最近对于多原子气体散射线之理论,曾作详尽的探讨。吴氏得到一个公式,表示由多原子气体所散射之强度,其中一部为相干的散射,另一部为不相干的散射。 以前关于多原子气体散射X-线之实验,为数甚少,且为定性的结果。最近美人Wollan,对于由O_2及N_2(双原子气体)所散射钼的K_3α线之强度,曾作绝对的度量。Wollan的结果,与吴有训氏的理论,甚属相符。本篇目的,在测定由 Cl_2,CO_2,N_2O,H_2S,CCl_4及 CHCl六种气体所散射X-线之强度,每一实验,均与由0_2者互相比较,根据Wollan的结果,每种气体所散射之绝对强度,皆一一量得。所用之入射X-线为钼之Kα线,系藉Ross的平衡过滤法分出。强度之测量,系用一游离方法。散射角度的范围,自15度至130度。每种气体的实验结果,均与吴氏的理论,互相比较,证明理论与实验,甚属相符。在计算时,原子的“构造因数”,系由Hartree的方法算得,一分子中两原子的相隔距离,则由带光谱的结果推得。

1. The Mountain region of Upper Hwangho.

(一)南征之决定及目的(二)循化黄河南北之大山(三)大夏河上游(四)洮河择源区探索(五)陇蜀界上之南木 寺(六)江河分水高原一角黄河入岷说

 
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