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The median part of the middle fossa, the lateral part of the superior clivus and the trigeminal nerve in the Meckel cave could be exposed via a retrosigmoid suprameatal approach.
采用乙状窦后经内耳道上入路,可将乙状窦后入路的手术野扩大到颅中窝的中线侧和上斜坡侧方,并可显露Meckel腔内的三叉神经。
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When folding smoothness higher when folds of compactedness, the frictioncoefficient small paper, fold roll form and pressing creases, part of the book inside the pages of the book will be squeezed out of part of the book in a manner worthy of a page in the creases wedge-shaped forms.
当折叠平滑度较高的纸张时,折缝的压实度降低,因为纸张的摩擦系数小,在折页辊之间形成并压紧折缝时,书贴里面的部分书页会被挤出,书帖外面的部分书页在折缝处形成楔形。
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All the part of this machine, except transmission part, are all produced by aluminum alloy and stainless steel, which is convenient for user to clean and degerm when the machine is stopped, so the machine can not be polluted by pocking, and is good for management and constant usage.
本机所有零部件,除传动部分外,均采用铝合金和不锈钢制造,使用户便于在停机间隙进行清洗除菌,不会因产生锈蚀引起污染,故更利于管理和连续使用。
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This work, concentrated on the asymmetric allylation of aldehydes controlled by different chiral auxiliaries prepared from rotational pure tartaric acid, can be divided into three parts.The first part aims to review the developments of chiral drugs and asymmetric synthesis, from which derived the present research topic backgrounds and works.Synthesis and applications of allylation from aldehydes are the second part of the thesis. By optimizing the reaction conditions, such as solvents, temperature, time and chiral auxiliaries like N,N\'-dibenzyl tartamide, N,N\'-p-dimethylphenyl tartamide, N,N\'-o-dimethylphenyl tartamide, N,N\'-o-dichlorophenyl tartamide, N,N\'-a-dinaphyl tartamide, N,N\'-dicyclohexyl tartamide and N,N\'-diphenyl tartamide, ideal experimenttal conditions are obtained according to HPLC monitoring, as well as the auxiliaries\' recoveries experiments. Starting from benzaldehyde and 3-bromopropaldehyde, N,N\'-dibenzyl tartamide is considered the best auxiliary in this reaction.
本文介绍了醛的不对称烯丙基化反应,以光学纯酒石酸为原料,研究了不同构型手性配体在醛的烯丙基化反应中的立体选择性,全文共分三部分十个章节:第一部分对当前手性药物和手性技术进行了概述,并由此展开了本文的研究背景和任务;第二部分为有机合成部分,对醛的不对称烯丙基化反应进行了深入探讨,以苯甲醛为原料对反应条件进行优化,在优化的反应条件下对制备的七种可回收手性酰胺配体(N-苄基酒石酸二酰胺、N-对甲苯基酒石酸二酰胺、N-邻甲苯基酒石酸二酰胺、N-邻氯苯基酒石酸二酰胺、N-a-萘基酒石酸二酰胺、N-环己基酒石酸二酰胺和N-苯基酒石酸二酰胺)进行筛选,优化配体回收实验条件,最终确定出N-苄基酒石酸二酰胺在苯甲醛的不对称烯丙基化反应中具有较大优越性,结晶回收的手性配体光学纯度保持不变。
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The invention discloses a kind of ice-storage box of the refrigerator's freezing chamber in which the ice-cream can be put, it composes of ice-storage box itself which is set in the upper part of the refrigerator's freezing chamber, a ice-cream vessel which is set in the lateral part of the ice storage box and is dismountable juncture, the vessel includes the shell of the ice-cream vessel and the drawer which is set in the shell of the ice-cream vessel.
本发明公开了一种冰箱冷冻室中可放冰激凌的储冰盒,它包括设置在冰箱冷冻室上部的储冰盒本体,在储冰盒本体的一侧部设有一可拆卸连接的冰激凌容器,其包括冰激凌容器壳体及设在冰激凌容器壳体中可抽拉的抽屉。
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If therefore the executive, who has the power of convoking the legislative, observing rather the true proportion, than fashion of representation, regulates, not by old custom, but true reason, the number of members, in all places that have a right to be distinctly represented, which no part of the people however incorporated can pretend to, but in proportion to the assistance which it affords to the public, it cannot be judged to have set up a new legislative, but to have restored the old and true one, and to have rectified the disorders which succession of time had insensibly, as well as inevitably introduced: For it being the interest as well as intention of the people, to have a fair and equal representative; whoever brings it nearest to that, is an undoubted friend to, and establisher of the government, and cannot miss the consent and approbation of the community; prerogative being nothing but a power, in the hands of the prince, to provide for the public good, in such cases, which depending upon unforeseen and uncertain occurrences, certain and unalterable laws could not safely direct; whatsoever shall be done manifestly for the good of the people, and the establishing the government upon its true foundations, is, and always will be, just prerogative.
所以,如果拥有召集立法权力的执行权力,遵从真正的比例而不是代表制的表面形式,根据真正的理性而不是旧的习俗来管理所有有权利被清楚的代表的地方的代表人数,这种代表人数任何地方都不能自我宣称,而必须与它提供给公众的支持相称,这不能被认为是建立了一种新的立法权力,而是恢复了旧的和真正的立法权力,并矫正了由于时间流逝不知不觉所继承的和不可避免的引入所产生的混乱:因为既然拥有公正和平等的代表机构是人们的利益和意图所在;无论是谁使它更接近这一目标,谁便无可置疑的是这样的政府的朋友和奠基者,并不会得不到共同体的同意和许可;特殊权力也仅仅是一种权力,在取决于无法预见和不确定的事件的情况下,确定的和不可变更的法律不能安全的引导,于是君主行使它来为公众的利益服务;无论做什么,只要明显的是为人们的利益并将政府建于它真正的基础之上,是并且总是正当的特殊权力。
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Foredeep belt, featured by huge thick turbidite, moved to south continuously from late Longlin age-Qixia age of middle permian, which can be showed by the turbidite sedimentation on the platform facies strata during top part of Upper carboniferous-middle part of Longlin age of Lower permian.
冲断造山带以晚石炭世晚期-早二叠世隆林期中期浊积岩为特征,其上基本未接受新的地层,这是南天山造山带向南逆掩推覆的前锋地带。
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Subject to the conditions of this section and to such terms and conditions as the Administrator determines to be necessary to carry out the purposes of this title, the Administrator is authorized to guarantee, and to make commitments to guarantee, the principal and interest (including interest accruing between the date of default and the date of the payment in full of the guarantee) of any loan, obligation, or participation therein of any State, municipality, or intermunicipal or interstate agency issued directly and exclusively to the Federal Financing Bank to finance that part of the cost of any grant-eligible project for the construction of publicly owned treatment works not paid for with Federal financial assistance under this title, which project the Administrator has determined to be eligible for such financial assistance under this title, including, but not limited to, projects eligible for reimbursement under section 206 of this title. No guarantee, or commitment to make a guarantee, may be made pursuant to this section—(1) unless the Administrator certifies that the issuing body is unable to obtain on reasonable terms sufficient credit to finance its actual needs without such guarantee; and (2) unless the Administrator determines that there is a reasonable assurance or repayment of the loan, obligation, or participation therein. A determination of whether financing is available at reasonable rates shall be made by the Secretary of the Treasury with relationship to the current average yield on outstanding marketable obligations of municipalities of comparable maturity.
依于这个部分的条件和对如此期限和条件象管理员确定是必要执行这个标题的目的,管理员被批准保证,并且做承诺保证,主要和兴趣(包括兴趣累积在缺省日期和付款的日期之间充分保证)的任何贷款,义务,或参与在其中任何状态,自治市,或intermunicipal 或跨境代办处直接地和完全被发布对联邦财务银行提供经费一部分的任何授予合格的项目的费用为公开地拥有的治疗工作的建筑没被支付以联邦经济援助在这个标题之下,哪个项目管理员确定是有资袼这样的经济援助在这个标题之下没有保证,或承诺做保证,可以被做寻求这个部分(1)除非管理员证明发布的身体无法获得在合理的期限充足的信用提供经费给它的实际需要没有这样的保证;并且(2)除非管理员确定有贷款的合理的保证或偿还,义务,或参与在其中。
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Low profile area on the contrary, such as graphic section area is greater than the empty part of the area, which by friction, an empty part of-that is, to be worn with hydrophilia, will gradually lost their lives, resulting in a low key regional locations nonanatomical surplas cause printing "" paste version appears.
不高调地区则与此互异,图文部不合面积大于空缺部不合面积,该地区一旦受到摩擦,空缺部不合的砂纲即被磨陡,不兵忽然毕命干火性,变成不高调地区网点的不法规放大,导致印品不入现&糊版&障碍。
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The apoplasmic charater of ectomycorrhizal roots of Larix seedlings infected with Paxillus involutus was examined using the cathnic colloidal gold. The result showed the density and distribution of anionic binding sites were different in sheath and Hartig net. The negative charger in the outer part of the sheath was slightly low. It increased graduately from outer to inter sheath. The negative charger density rised higher in the inter part of the sheath and then decreased graduatedly from the sheath to Hartig net. This may be related to nutrient uptake and atransport in ectomycorrhizal roots.
利用阳离子胶体金探针研究日本落叶松和卷缘桩菇形成的外生菌根质外体的特性,结果表明,外生菌根质外体负电荷分布是不均一的,在菌套外侧负电荷比较低,向内侧逐渐增高,在靠近单宁层菌套菌丝细胞壁负电荷密度最高,再向内侧过度到哈蒂氏网又呈现出明显逐渐下降的现象,而且在哈蒂氏网负电荷主要分布在植物的细胞壁,真菌菌丝细胞壁负电荷很少。
- 相关中文对照歌词
- Don't Be Part Of It
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。