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The changes of nutrition in milk treated with different technologies are also determined. Results showed that, 1 higher pressure, longer holding time and more alternative times favour a larger destruction of microorganisms; 2 the combined effect of hurdle technology and pressure on the destruction of microorganisms in fresh raw milk is more effective than only using pressure treatment, among which the effect of ε-polylysine on inactivation of microorganism in fresh raw milk is more effective than that of Nisin with the same concentration of 100mg/L; 3 the whole proteins in milk treated by the different types of sterilization have been detected by SDS-PAGE electrophoresis, and comparing with the whole proteins' electrophoretogram of fresh raw milk, we found that the first spectrum band near the negative pole was disappeared and the colours of the second spectrum band was tint in UHT, pasteurism and 500MPa treated milks, which was suggested that some proteins' subunits were dissociated, but the 400MPa treated milk showed the similar eletrophoretogram with the fresh raw milk; 4 the loss of threonine, VA and VC in high pressure treated milk was more less than those in pasteurism treated milk, in particular threonine and VA were almost retained, and the contents of VB1 and VB2 in the former are also more than that in the latter; 5 high pressure treated milk had longer shelf life than pasteurism treated milk, extending the sale semidiameter of milk.
压力越高,保压时间越长,交变次数越多,杀菌效果越好;2)采用栅栏技术对牛乳中的微生物具有更有效的杀菌作用,其中相同浓度的(终浓度100mg/L)ε-聚赖氨酸较Nisin具有更强的杀菌效果;3)利用SDS-PAGE电泳研究了不同杀菌方式对牛乳总蛋白的影响,发现经UHT、巴氏和500MPa交变处理的牛乳与生鲜牛乳相比其总蛋白电泳图谱靠近负极方向第一条谱带消失,第二条谱带颜色变浅,由此推测经上述处理后牛乳中有一些蛋白质的亚基发生了解离,而经400MPa交变处理的牛乳与生鲜牛乳的总蛋白电泳图谱相似;4)超高压牛乳营养成分与生鲜牛乳相比,苏氨酸、VA、VC在超高压处理中受到的破坏明显比巴氏杀菌小得多,特别是苏氨酸和VA几乎完全被保留下来,而VC含量也要比巴氏奶高出25%以上,对于VB1、VB2,检测数据也表明,超高压灭菌对其破坏要比巴氏灭菌小,其含量分别比巴氏杀菌牛乳高出9.5%和2.6%;5)与巴氏杀菌乳相比,超高压杀菌有助于延长牛乳的保质期,扩大牛乳的销售半径。
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The system's anti-multi-path fading ability is analyzed by the periodic auto-correlation function of multiwavelets and wavelets.
多小波分形调制在各尺度能够提供更多的子频带,为更多用户服务,具有更高的频带利用率。
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Raising insects is cheaper and takes far less space than raising regular farm animals.
饲养昆虫成本低场地小,它比饲养普通的动物场所占有空间更小。
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A two-component carbon tetrachloride system and a two-component aqueous system have been treated with the proposed strategy where only 21 calibration samples are needed, and the result showed that the predictive ability was not obviously impaired for the former system while being clearly strengthened for the latter one in comparison with a conventional way that required a calibration set of 100 samples.5 An unlooked-for experimental observation that in near-infrared spectroscopy the second overtone of aniline adsorbed by 13X molecular sieve nearly disappeared led us investigate a fundamental problem: the behavior of NIR when the outside space surrounding a molecule is too small to allow the molecule to vibrate freely.
同时,最小相关样本设计能进一步减少所需的校正样本数,且能提供更多合适变量以建立多元校正模型。这两方面的改进使模型的预测能力得以提高,其预测精度即使在水体系中也有明显的改善。五、近红外漫反射光谱在线非接触监测气-固吸附过程中出现了一个意外现象,即在近红外光谱上,被13X分子筛吸附的苯胺的二级倍频几乎完全消失了。这促使笔者深入探讨了近红外光谱的空间效应(当一分子被一足够小的刚性空间限制时,其振动的受限导致一级倍频和二级倍频强度均减少,并且后者减少的程度比前者更大)。
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Pluto is clearly a member of the Kuiper belt population, as can be seen from the fact that there are objects in the same vicinity slightly smaller than Pluto (Quaoar, 2004 DW, Varuna), and then even a larger number slightly smaller than that, and then on down.
冥王星显然是一个柯伊柏带天体,这一点可以从在同一区域存在比冥王星稍小的天体上看出( Quaoar, 2004 DW, Varuna ),然后恰好有一批更大数目的天体比那个天体稍小,然后一直如此。
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Its solution behaviors are similar to and even better than those of corresponding polyelectrolytes singly modified with the same hydrophobe to the added surfactant.
通过溶液共聚,将碳氢和氟碳这两种疏水单体无规地接枝到聚电解质主链上,得到的这类混合改性的聚电解质无论与碳氢小分子表面活性剂还是与氟碳小分子表面活性剂作用均表现出和同种大分子表面活性剂与小分子表面活性剂作用时相似甚至更好的缔合情形。
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Fault controlled not only the evolution and the transverse inhomogenity of regional tectonics, but also the laminary structure of the earth crust-lithosphere.
断裂以不同形式产出于地壳~岩石圈的表层、中深层和深层,其规模小到以毫米计或更小尺度,大可到全球范围。
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In general, a frame is"overcomplete"than a basis, which makes it have numerical stability.
一般地,小波标架比小波基具有&更多&的元素,这使得它用于信号分析时具有数值稳定性。
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Results: It indicated that compared with the one character naming task, the brain activation regions were smaller and more concentrated in three character naming task, and more deactivation was appeared in the left pericentral gyrus, right precentral and postcentral gyrus, left superior temporal gyrus and right putamen.
结果:与单字命名条件相比,三字命名条件下的脑激活范围更小、更集中。而且,三字命名条件在左侧中央旁回、右侧中央前回和中央后回、左侧颞上回以及右侧壳核出现了更强的负激活。
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Culms forming large clumps, erect, 10–50(–120) cm tall, 3–35 mm in diam. Leaf sheaths mostly longer than internodes, smooth; leaf blades linear, flat or inrolled upward, 10–45 × 0.7–1.5 cm, smooth, apex fine, hard, upper blades usually patent; ligule 2–3 mm. Racemes racemosely arranged, 2–6(–12), 7–23 cm, stiff, erect or slightly spreading; spikelets closely overlapping; rachis terminating in a hard bristle up to 5 cm. Spikelets 12–21 mm, pubescent; lower glume 2/3–4/5 as long as spikelet, acute; upper glume lanceolate-oblong, as long as spikelet, acute; lemma lanceolate-oblong, ca. 1 cm, keel scaberulous, pubescent, entirely or in upper half; palea slightly longer than lemma.
形成的秆大丛生,直立,(-120)厘米高,多数叶鞘3-35毫米直径长于,平滑;叶片线形,公寓或向上, 10-45 * 0.7-1.5 厘米,平滑,先端细,硬,上面的叶片通常开展;安排的2-3毫米外消旋体总状分枝的叶舌,2-6(-12),7-23厘米,硬,直立或者稍开展;小穗接近重叠;轴终止在一难的硬毛可达5 厘米小穗12-21毫米,青春期;更低的颖片2/3-4/5倍于小穗,锐尖;上面颖片披针形长圆形,倍于小穗,锐尖;外稃披针形长圆形,约1厘米,微糙,青春期的龙骨,完全或者在上半部;稍微的内稃长于外稃。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。