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The soil under grassed elleyways had higher NH4+,and K,but lower NO3- than the soil under herbicide strip,with exception that the soil in the layer of 0~10 cm under herbicide strip had higher content of K.
施肥增加土壤速效N的含量。土壤NO3-的季节性变化表明5至6月份土壤中NO3-的含量高,而花前和7月份土壤中NO3-含量低。P、K在清耕带10 cm以下土壤的含量低于生草地土壤,但在0~10cm土层中K的含量高于生草地。P的含量不受影响。
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Totally 60 semi-circular bending specimens cored from superpave gyratory compactor with three groups of notch depths are tested at the temperature of-10 and 20℃ The experimental results reveal good repeatability in EAM characterization. The tensile strength ratio of SCB to the indirect tensile test is at a range of 1.4 to 1.7, and the ultimate strength of EAM is exponentially dependent on the notch depths. At the test temperatures, the critical J-integral value of EAM is much higher than that of hot mix asphalt with thermoplastic asphalt binder. The response mode of EAM changes from ductile mode to brittle mode and the fracture energy increases 30% when temperature decreases from 20 to-10℃, while its critical J-integral value decreases only 15%.
结果表明,环氧沥青混合料的半圆弯曲试验结果复现性好;由非切口试件的半圆弯曲试验与标准间接拉伸试验所测得的环氧沥青混合料的抗拉强度,其比值在1.4~1.7之间,且SCB抗拉强度与切缝深度指数相关;在20℃与-10℃试验条件下,环氧沥青混合料具有比热塑性HMA高得多的临界J-积只分值;当温度由20℃降至-10℃时,环氧沥青混合料的响应模式由延性变为脆性,断裂能增加30%,而临界J-积分值下降15%。
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The cryptoexplosion of hypabyssal intrusive,due to a overpressure process resulted in phase change, is a very rapid physical reaction.
借助爆炸动力学理论讨论了隐爆作用的机制,提出隐爆作用的本质是因超压导致相变而发生的一种快速物理反应;而岩浆上侵至低围压的中浅层环境→气水组分分离并产生气泡→后续岩浆提供高压力梯度导致超压,即为隐爆作用得以发生的主要条件。
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There was no significant difference in the average dosage between patients with and without hypohidrosis in each age group. However, there was a significant difference in the average age between patients with and without hypohidrosis in each dosage group.Both developing and mature mice were treated with a low (20 mg/kg/day) and high dose (80 mg/kg/day) of topiramate for four weeks. Each group contained 12 mice.
在控制年龄因素的影响(来源:Abe0e0eBC论文网www.abclunwen.com)后,托吡酯剂量对泌汗障碍的发生无显著影响;而在控制剂量因素的影响后,年龄仍显著影响泌汗障碍的发生。2周龄和2月龄小鼠随机分配至托吡酯低剂量组(20 mg/kg/d)、高剂量组(80 mg/kg/d)和对照组,每组12只。
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The time interval for which the antioxidant stabilizer system present in a test specimen inhibits oxidation is measured while the specimen is held isothermally at a specified temperature in a stream of high-purity oxygen, so that the OIT of material sample can be determined.
通过将加有抗氧化稳定剂的试样置于特定温度的高纯氧气流下,测量从通氧至氧化反应之间的时间间隔,来确定材料的OIT。
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Aiming at slope types, features, deformation traits and destroy mechanism of high steep valley slope at Jinping Ⅰ Hydropower Station, and applying monitoring results, a comprehensive prediction design is suggested. In the space, according to the occurrences of unfavorable geological phenomena such as faults F5, f(subscript 42-9) deep fracture SL(subscript 44-1) and lamprophyre vein X, all of them can be treated as the boundary conditions for slides, potential instable blocks of slope on the left abutment are estimated which take on a wedge-shaped sliding model. In the sametime, through using three kinds of joint prediction methods such as statistic models and nonlinear models, judging from the shape of curves of deformation-time and their deformation velocities, it is found that the slope is at the state of slowly creeping to uniform deforming with a deforming velocity of 0.05 mm/d.
针对锦屏一级水电站左岸高边坡的边坡类型、边坡特征、变形特点和变形机制,在监测成果的基础上,对其进行综合预报,空间上判断左岸拱肩边坡由断层F5,f(下标 42-9)、深部裂缝SL(下标 44-1)及煌斑岩脉X互相组合,形成可能边坡失稳块体的边界条件、楔型体滑移失稳模式:时间上采用统计模型及非线性模型多种方法联合预报,根据边坡变形时序曲线的形态及变形速率指出:边坡目前处在缓慢蠕动至匀速变形阶段,变形速率小于0.05mm/d。
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All tumors were histologically high grade (6 grade III and 10 grade IV). Three tumors showed heterologous elements, 2 osseous, and 1 rhabdomyoblastic. More often scattered than diffuse, S-100 protein staining was noted in 11 of 16 tumors and variable collagen IV staining in 10 of the 16. Immunoreactivity for p53 protein was diffuse and strong in 7 of 11 tumors. Twelve patients died within 17 months to 3 years of diagnosis, 1 was lost to follow-up, 2 are very recent cases, and 2 patients are currently alive, 1 after 2 recurrences, and another with spinal leptomeningeal metastases.
所有病例在组织学上都是高级别(6例III级和10例IV级)。3例肿瘤含有其他成分:2例含骨和1例含 rhabdomyoblastic.S-100蛋白染色显色于16例肿瘤中的11例,IV型胶原染色显色于16例中的10例,这些染色通常分散而不弥散。11例肿瘤中7例的p53蛋白免疫反应弥散且强烈。12例病人死于确诊后的17个月至3年,1例随访失败,2例是最近的病例,还有2例现在还活着,其中1例复发,另1例发生脊髓脑膜转移。
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The partial gene encoded the conserved region of PPO cloning was carried out in 6 species, including Ulva pertusa, Ishige okamurai, Sargassum fusiforme, Mangifera indica, Musa nana, Shiitakae lentinus, Pleurotus sapidus.
发现从低等的真核生物真菌中的香菇和紫孢侧耳,至较高进化的藻类铁钉菜和孔石莼,到高等绿色植物芒果和香蕉,均能够一次性克隆获得PPO的基因,这同时也说明包括海藻在内,PPO基因在生物中是广泛存在的。
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The results indicate that the high efficiency and stable performance of shortcut nitrogen removal in MBR-PBBR process is attributed to the predominance of functional microbiology Nitrosomonas eutropha during the period of operation,which occupies over 54%of total bacteria.However,large amount of organic carbon can destroy the predominance of N.eutropha,whose proportion decreased to 31%at TOC/N=0.3.The diversity of microbial community in MBR increases along with operating time.
结果发现,生物强化的MBR-PBBR工艺能实现相对稳定和高效的捷径生物脱氮,主要归功于MBR中的功能微生物Nitrosomonas eutropha在运行过程中始终保持优势地位,占全菌数的比例大于54%;然而,当外加有机碳源较高(TOC/N≥0.2)时,可动摇氨氧化菌的优势地位,N.europha占全菌数的比例在TOC/N=0.3时下降至31%。
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A18430 Maximum Ratings: A18430 Pinout: DC input range: 180 - 375V Input surge withstand: 400V for 100ms DC output: 3.3V Programmable output: 10 to 110% Regulation: 0.2% Efficiency: 77.5% Maximum operating temperature: 100C at full load Power density: 60W/cubic inch Height above board: 0.43 in.(10,9 mm) Parallelable, with N+M fault tolerance Low noise ZCS/ZVS architecture
A18430最大额定值: A18430引脚说明:直流输入范围:180 - 375V输入浪涌承受:为100ms的400V的直流输出:3.3V的可编程输出:10至110%调节:0.2%的效率:77.5%最大工作温度:100C读写器在满负荷功率密度:60W/cubic英寸高光明正大:0.43英寸(10.9毫米)可并行与N +男容错低噪音零电流/零电压架构
- 推荐网络例句
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We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.
索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。
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The relationship between communicative competence and grammar teaching should be that of the ends and the means.
交际能力和语法的关系应该是目标与途径的关系。
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This is not paper type of business,it's people business,with such huge money involved.
这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。