1、

Its ninhydrin reaction was negative, but after acid hydrolysis, its ninhydrin reaction and biuret reaction were positive.

茚三酮反应呈阴性,用酸水解后茚三酮反应和双缩脲反应呈阳性。

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2、

Results The results of the biuret reaction and ninhydrin reaction were positive.

结果茚三酮反应和双缩脲反应呈阳性,海生素注射液中氮含量不低于0.4mg。

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3、

Asymmetric waist cross section couplers are analyzed theoretically. Experimental results show that form birefringence of a coupler with an asymmetric waist cross section changes from positive to negative at a given degree of fiber fusion resulting in polarization insensitive operation.

对光纤型非对称束腰横截面耦合器进行了理论分析,并在实验上证明了耦合器的形状双折射随光纤的熔融程度从正到负的变化,最终可以达到偏振不敏感的目的。

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4、

The positive rate of migratory birds is higher than resident birds.

候鸟的阳性率极显著高于留鸟。

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5、

Results Specimens collected from 115 ( 95.8%) on operating part and 120 ( 100%) on endoscopic surface and biopsy channel were positive in culture before cleaning.

结果①清洗前胃镜污染情况严重,细菌培养阳性为:操作部115例(95.8%),镜身、钳道120例(100%);

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6、

The patients whose cytological test are positive or clinical high-grade suspicious should receive directed punch biopsy under colposcopy.

细胞学阳性或临床可疑者应配合阴道镜检查及镜下活检可提高CIN的检出率;

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7、

Results Positive rate of the biopsy specimen was 56.9% and the correlation rate with operations was 91.6%.

结果穿刺阳性率56.9%,穿刺诊断与手术诊断符合率91.6%。

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8、

Decrement of the community biomass with the grazing pressure was the key reason for the positive and negative correlation.

群落生物置随牧压增大而降低是导致群落蒸发和蒸腾与牧压呈正、负相关的主要原因。

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9、

Using urethan as positive test agent, the micronucleus rate of binuclear cell attained to 97.3 ‰, while the acetone negative control was only 9 ‰.

使用氨基甲酸乙酯作为阳性试验物,双核细胞微核率达97.3‰,丙酮阴性对照物仅为9‰。

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10、

Three methods-structural volume, binomial formula and definite integral-can be employed to derive the formula for the snm of the K power of positive N term integer. The calculation can be made on the basis of them.

用构造体积、应用二项式定理、利用定积分的三种方法,导出正整数前n项k方和公式,并对此进行推算。

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11、

The purity of MSCs could be ascertained with the positive identification of double criteria of CD44, or CD54 and Brdu, and negative identification of CD34 and CD45 coloration.

再以CD44、CD54和Brdu双标作为MSCs阳性鉴定,CD34、CD45染色作为MSCs阴性鉴定以确定MSCs的纯度。

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12、

On Robust Strict Positive Real Stabilization Criteria

关于鲁棒严格正实镇定准则

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13、

In order to establish positive diagnostic criteria, the quality control standards and reference values were determined according to statistically significant multiple test results.

为确立阳性诊断的标准,根据具有统计学意义的多次检测结果确定质控标准及参考值。

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14、

Positive criteria were syncopal attack, presyncope with systolic blood pressure less than 90 mm Hg and/ or heart rate below 60/ mm.

试验阳性标准为晕厥先兆伴收缩期血压<90mm Hg(1mm Hg=0.133kPa)和/或心率<60次/min。

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15、

The positive DC corona streamer pulse amplitude and frequency under different pressure and humidity was measured, the results were in good agreement with the waveforms calculated by the fluid model.

为此,测量了不同气压和湿度下的正直流电晕流注脉冲幅值和脉冲重复频率,实验结果与利用流体模型计算得到的波形随气压和湿度的变化规律一致。

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16、

Study characteristics of the positive reference standard of ROC to explore the best chain base index.

通过对不同阳性参考标准的ROC特征进行分析,探索提示暴发出现的最适合环比指标。

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17、

Positive rate of 6 minute free run test was high.

运动试验阳性率高。

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18、

Mutual effect of DeSO_2/ DeNO_x and removal of fly ash from simulated flue gas, which was made by combining SO_2 NO_x and fly ash with air, was studied by utilizing high voltage positive pulse corona produced by nanosecond pulse voltage generator.

采用SO2、NO和飞灰与空气混合而成的模拟烟气和纳秒级脉冲电源,研究高压正脉冲电晕脱硫脱硝和除尘之间的相互影响关系。

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19、

This paper chooses the appropriate camera and the lighting source, and establishes scratch test platform under both of positive light and side light and gain scratches obvious being testing images. 2.

选择合适相机及照明光源,在正光和侧光光照下建立划痕缺陷检测平台,获取划痕特征明显的待测图像。

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20、

The positive rates of O157 ∶ H7 and dysentery bacillus in feces of diarrhea patients were 0.43% and 4.75%.

从腹泻病人粪便中分离出O157H7大肠杆菌、痢疾杆菌等,分离率分别为0.43%和4.75%;

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