有影响的
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Using mordern physical chemistry techniques (such as XRD、 TG-DTA、 IR、 XPS and 〓Xe-NMR)、 chemical adsorption techniques (NH〓-TPD、 H〓-TPD、 TPO、 TPR etc.) and pulse flow microreaction of n-hexane、 methylcyclopentene and n-hexane containing 0.2ppm thiophene, we studied mainly the following three points:(1). the changes occured during the calcination pretreatment of Pt ammine complex supported on β and L zeolites;(2). the effect of structure and acidity-basicity of zeolite on the dispersion and electron state of Pt particles; and (3). the influence of second metal component on the reactivity of nhexane aromatization and sulphur-resistance of Pt/L zeolite catalyst. Several interesting and valuable results are obtained and summerized as follows
本论文运用各种近代物理表征方法(XRD、BET、TG-DTA、IR、XPS和〓Xe-NMR)、化学吸附技术(NH〓-TPD、H〓-TPD、TPO、TPR等)和正己烷、甲基环戊烷及含噻吩正己烷的脉冲微反等方法,着重研究了(1)载Pt的β和L沸石在分解预处理过程中发生的变化;(2)沸石载体结构及酸碱性对Pt粒子分散及电子状态的影响;(3)第二金属组份对载Pt沸石催化剂上正己烷芳构化及抗硫性能的影响等,得到了某些有意义的结果。
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The sea ice frozen on polar ocean forms a new interface between the upper ocean and the lower atmosphere. Sea ice plays an important part in the climate and environment system of Earth through its modifying role in radiative and energy balances, prevent the exchange of heat and moisture between the ocean and atmosphere. The salt reject during processes of sea ice freezing affects the ocean structure and circulation. Sea ice also affects the weather and climate at the South Ocean and Antarctic continent.
在极区,海冰的形成在海洋上部和大气下部之间构成了新的交界面,改变了大洋表面的辐射平衡和能量平衡,隔离了海洋与大气之间的热交换和水汽交换;海冰冻融过程影响着大洋温、盐流的形成和强度;海冰对南大洋和南极大陆气象、气候有重要的影响,在气候环境系统中起着重要的作用。
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Limiting the time term's test shows that the influence is very small to the judgment influence of the sense of vision depth of the athlete, for common high school student the influence is very clear. As the member of team in different position, the total ascending has the certain difference; the depth sense of vision level of the forward in totally higher than vanguard and rearguard, the vanguard is total with the depth sense of vision level of the rearguard ascend did not show the very difference.
限定时间条件对运动员的视觉深度的判断影响很小,对于普通中学生影响显著。15年龄段场上不同位置的队员的视深能力总体上有一定的差异;前锋的深度视觉水平在总体上要高于前卫和后卫,前卫和后卫的深度视觉水平总体上没有显著差异。
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This indicates the presence of the surface states on the surface of the barrier layer.
近期的研究表明,在GaN和AlxGa1-xN势垒层的表面存在表面态,这对GaN和AlxGa1-xN/GaN异质结中载流子的分布有显著的影响[8~ 11] ,从而对基于调制掺杂AlxGa1-xN/GaN异质结构器件的性能有着很大的影响,会降低载流子浓度和漏电流,减小器件的跨导和阈值电压。
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Usage of the products such as slight rolled-in metal, roll mark, scratch, herring bone mark, residual oil stain after
板材表面应洁净,不允许有腐蚀、裂纹等缺陷。允许有轻微的金属及非金属压入、辊痕、擦划伤、松树枝状、退火油痕、矫直辊印等不影响使用的缺陷存在。
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Affecting usage of the products such as slight rolled-in metal, roll mark, scratch, herring bone mark, residual oil stain
板材表面应洁净,不允许有腐蚀、裂纹等缺陷。允许有轻微的金属及非金属压入、辊痕、擦划伤、松树枝状、退火油痕、矫直辊印等不影响使用的缺陷存在。
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I 2002.5.2 menopause, pregnancy was confirmed, and by the book, said the projected day, and now I have ninth week of pregnancy, and the first two weeks I have reflected very strong recently seemed to reflect alleviate a lot of early pregnancy, I am worried that the baby goes not stop growing, because the family used mosquito coils, although the little time I have met, but I know that the impact of mosquito-repellent incense poor, In addition, the family wardrobe issued from time to time in the scent of camphor ball, so I can not stand, I do not know this is not a bad thing, there is no relevant information, please give me your answer to this doubt, very worried that this baby a negative, how can I do that?
椁脑对孕妇是否有影响?我在2002.5.2停经,经确认是怀孕了,按书上说的日子推算,现在我已经怀孕第九周了,前两周我反映很强烈,近来好像早孕反映减轻了很多,我担心肚里的孩子是不是停止生长了,因为家里使用过蚊香,尽管我接触的时间很少,但是我知道蚊香的影响不好,另外,家里衣柜里时常发出樟脑丸的气味,让我很受不了,我不知道这样是不是不好,没有相关的资料查询,请您给我解答这个疑惑,很担心这样对孩子不利,我该怎么办那?
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The results showed that temperature rise would inhibit their esterification capacity, ethyl caproate-producing capability of raw zymin of 1# high-temperature monascus improved with the prolong of the esterification time when ethanol concentration was 4 %vol and caproic acid content was 4 mL, and when ethanol concentration and caproic acid content was within proper range, caproic acid content had more effects on the formation of ethyl caproate by raw zymin than ethanol concentration.
结果表明,温度相对升高对其酯化力的形成有一定的抑制作用;高温型红曲1#酯化菌株粗酶制剂的酯化力在乙醇浓度为4 %vol、己酸含量为4 mL时,产生己酸乙酯的能力随酯化时间的延长而增强;在适宜的乙醇浓度和己酸含量范围内,己酸含量对酯化酶粗酶制剂己酸乙酯生成影响比乙醇含量的影响大。
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The mathematical models in the condition of parameter variations are not only used to analyze the effects of parameters on system performance, but also play the important role in improving the celerity and veracity of identification algorithms.
在实时控制中,参数在线辨识算法的复杂程度直接影响系统控制的实时性和动态性能,而参数变化情况下系统的数学模型,不仅能够用于分析参数变化对系统性能的影响,而且对提高辨识算法的快速性和准确性有重要的作用。
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Volatilized hydrocarbon has some of stimulation to skin, eye and mucosa, and a little effect on centrum nerve.
挥发烃对人的皮肤、眼睛及粘膜有一定刺激作用,并对人的中枢神经也有影响。
- 推荐网络例句
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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
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Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
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If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。