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  folded
     Design, Test and Construction of Folded Steel Truss
     式钢屋架的设计试验与施工
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     THE CALCULATION OF ARBITRARY CANTILEVER HORIZONTALLY FOLDED BEAM BY TRANSFER MATRIX METHOD
     传递矩阵法计算任意悬挑水平
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     Finite Element Analysis and Simplified Computing of Folded Plate Foundation
     板基础的有限元分析及简化计算
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     ANALYSIS OF ANISOTROPIC ARCH-TYPE FOLDED PLATE STRUCTURES
     各向异性拱型板结构的分析
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     ⑤ Experiment of basal tear secretion No. 41 Whatmann filtering paper was used folded in 5 mm and placed at 1/3 of conjunctiva in the lower eyelid. Five minutes later the paper was removed and length of it after wetting was measured.
     ⑤基础泪液分泌试验:用Whatmann41号滤纸,5mm置于下睑外1/3结膜处,5min后取下滤纸,测定滤纸湿后长度。
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     Photorefractive volume holographic high density optical storage and its applications
     光变体全息高密度光存储器及其应用
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     The Equations of Propeller Shafting Deflection and the Diagram of Shiftline Form
     推进轴系偏方程及轴线状态图
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     THE BEND STRENGTH AND STRESS-STRAIN BEHAVIOR OF HIGH-TEMPERATURE SPRAYED Al_2O_3 COATING
     高温喷涂Al_2O_3涂层的抗强度和应力-应变特性
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     Analysis of 100 Cases in Treating Sequelae of Cerebropathy and Cerebral Hypoplasia with Catgut Embedding Therapy
     羊肠线穴位埋藏法治疗脑病后遗症、脑发育不全100例分
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     Developing 10 c. c. Easy-Break Ampoules with Colored Ring
     10毫升色环易安瓿的试制
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  相似匹配句对
     BROKEN VECTOR SPACE
     向量空间
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     Synthesis of Azelnidipine
     阿地平的合成
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  folded
This fault system faulted in the east and folded in the west from the Indo-Chinese epoch to the early Yanshanian epoch.
      
The frontal surface of the mosaic (scales located side by side) and terrace cuticle (steps between scales) varies in different species from smooth to rib-folded.
      
The presence of Zn2+ at low concentrations blocks the reactivation and refolding of urea-denatured CK and keeps it in a partially folded state.
      
The partially folded state proved to be a monomeric state which resembles the "molten globule" state in the CK folding pathway.
      
In the presence of EDTA, the partially folded creatine kinase can be reactivated and refolded following a biphasic course, suggesting the existence of a monomeric intermediate during the refolding of CK.
      
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  turnback
The purpose of this paper is to describe and test a variation of a method originally suggested by Topcu and called the turnback algorithm for computing a banded basis matrixB.
      
stagnalis by increasing their rate of change of direction (RCD) in increasing gradients of snail-conditioned water (SCW), and they perform a turnback swimming in decreasing gradients.
      
A risk analysis for Bondi Turnback and Stabling Facilities was carried out with RIC personnel.
      
This is usually the close-in at the maximum load point station or the terminal turnback process, occasionally at junctions.
      


Three adult human brain stems which presented an unilateral hyprtrophy ofthe striae medullares of the fourth ventricle were studied in serial Weigert sec-tions with the following results. The unilateral hypertrophy of the striae medullares is correlated with thehypertiophy of the contralateral nucleus arcuatus. In the hypertrophied nucleus arcuatus the fibers collect themselves towardsthe bottom of the ventral median fissure. The large bundle thus formed coursesdorsally along the raphe, crosses to the other...

Three adult human brain stems which presented an unilateral hyprtrophy ofthe striae medullares of the fourth ventricle were studied in serial Weigert sec-tions with the following results. The unilateral hypertrophy of the striae medullares is correlated with thehypertiophy of the contralateral nucleus arcuatus. In the hypertrophied nucleus arcuatus the fibers collect themselves towardsthe bottom of the ventral median fissure. The large bundle thus formed coursesdorsally along the raphe, crosses to the other side ed emerges on the floor ofthe fourth ventricle. It then turns laterally in the subependymal layer, windingaround the tuberculum acusticum to approach the cerebellum. Besides the main nucleus arcuatus, the fibers of the accessory nuclei on themedioventral surface of the pyramid and of the ventral part of the nucleusraphes also paticipate apparently in the formation of the striae. The scatteredgray patches on the lateral part of the ventricular floor are minor relay stationsof the striae medullares. The nucleus arcuatus and allied nuclear masses are the caudally displacedpontine nuclei. The striae medullares behave just like an aberrent bundle ofthe brachium pontis and, as such, they conduct towards the cerebellum. Besides the striae medullares, the fibers of the nucleus arcuatus are also in-corporated into the ventral external arcuate fibers on the same and oppositesides, which curve around the ventrolateral surface of the medulla oblongatatowards the cerebellum.

在三个成人脑干先见第四脑室髓纹一侧偏大,经过染片研究,发现以下的情形。一侧偏大的髓纹与对侧弓状核的偏大是相繋的。在偏大的弓状核中,纤维聚向正中裂底,大束纤维循缝际行向背侧,陆续越边,自室底中線向外侧,遶过听结节,接近小脑。除了弓状主核,前外侧的副核、缝际核前部似也参加髓纹的合成。室底外侧部的零散核团也收发髓纹纤维。弓状核和连属的核团是脑桥核的下延部分。髓纹相当向下移位的脑桥臂纤维,是傅向小脑的。弓状核的纤维除形成髓纹外,一部进入同边和对边的前外弓状纤维,遶行延髓前外面,似趋奔小脑。

The so-called "truss rigid frames" are those rigid frames with trusses as their horizontal beams, of which the two ends are rigidly connected to columns. Within the author's knowledge, all the methods available at present for analyzing such rigid frames are based on Certain special assumptions such as (1) that the positions of the points of contra-flexure in all the columns are previously known; (2) that the end rotations of a truss may be reprensented by that of its assumed line of axis as in the case of an...

The so-called "truss rigid frames" are those rigid frames with trusses as their horizontal beams, of which the two ends are rigidly connected to columns. Within the author's knowledge, all the methods available at present for analyzing such rigid frames are based on Certain special assumptions such as (1) that the positions of the points of contra-flexure in all the columns are previously known; (2) that the end rotations of a truss may be reprensented by that of its assumed line of axis as in the case of an ordinary beam; or (3) that the end verticals of trusses may be given certain prescribed deformations. Of course, the adoption of any of such assumptions leads to only approximate results inconsistent with the actual deformations of such rigid frames under any loading. Heretofore, the author did not know any correct method for analyzing such rigid frames. In this paper, the author presents two principles of the correct analysis of truss rigid frames. The first principle is that of "moment action on column" for computing the angle change constants of columns, and the second principle is that of "effect of span-change in truss" for computing the angle and span change constants of trusses.As, for computing the angle change constants of a truss, the dummy unit moment is a couple applied to its end verticals, so, for computing the angle change constants of a column, the dummy unit moment must also be a couple applied to the section of column rigidly connected to the end of a truss, in order to effect a consistent deformation at the joint of the two. This is the first principle.A truss just like a curved or gabled beam of which the effect of span-change can not be neglected, so truss rigid frames belong to the same category of what may be called "span-change" rigid frames such as rigid frames with curved or gabled beams. Therefore the span-change constants of trusses should be included besides their angle-change constants for analyzing truss rigid frames. This is the second principle.With the constants of columns and trusses are all computed in accordance with respectively the first and second principles mentioned above, truss rigid frames may be analyzed by any method including the effect of span-change as in the case of rigid frames with curved or gabled beams, and the results thus obtained will be exactly the same as by the method of least work or deflections without any special assumptions.In this paper, after the two principles are described and the formulas for computing the constants of columns and trusses are derived, the correctness of the two principles are then proved by the methods of least work, deflections and slope-deflection. A two-span truss rigid frame is analyzed under the following three conditions:Ⅰ. Applying both of the two principles to obtain the correct results.Ⅱ. Applying only the first principle to show the discrepancies of neglecting the effect of span-change in trusses as born out by comparing the results of Ⅱ with Ⅰ.Ⅲ. Applying neither of the two principles, and the truss rigid frames being analyzed by the special assumption (2) mentioned above with the line of axis at the bottom chord of truss, in order to show the discrepancies of neglecting the moment action on column as born out by comparing the results of Ⅲ with Ⅱ. For the sake of brevity, only the results are given in Tables 1 to 5 without computations in details.Although the discrepancies of neglecting the moment acticn on column are only slight as shown by comparing the results of Ⅲ with Ⅱ in Tables 2, 4 and 5, there is no reason why special assumptions should not be replaced by the correct principle of moment action on column to obtain correct results. As shown by comparing the results of Ⅱ with Ⅰ in Tables 2, 4 and 5, the discrepancies by neglecting the span change in trusses are generally considerable and, in certain particular part, as large as 3000%. Therefore, for the safe and economical design of truss rigid frames, the effect of span-change in trusses should not be neglected in their analysis.Finally, for analyzing co

所謂“桁架剛構”即以桁架為横梁与柱相剛接之剛構。現下採用分析剛構之任一方法,以分析此項剛構时,均須採用種種特殊之假定而得近似之結果。據著者所知,中外書刊中似尚无此項剛構之正確分析法。於本文中,著者發表关於桁架剛構正確分析之兩項原理,即柱頂力矩作用与桁架跨变影響之兩项原理。前項原理使柱頂段之角夔与桁架端豎桿相同,以符合柱与桁架剛接处之連续性。後項原理指出桁架与曲梁(即拱)及梁(即山墙式梁)相同係一種“跨变横梁”,故桁架刚構亦与拱式及山墙式剛構相同,係一種“跨变剛構”。若根據此兩项原理,分别计算柱与桁架兩端的撓曲常数,再用分析跨变刚構之任一分析法以分析此項刚構,則所得之枯果,与不作任何特殊假定用最少功法或变位法所得者完全相同。本文先說明此兩项原理及根據此兩項原理计算柱与桁架撓曲常數之方法。次取一最簡單之桁架刚構为例,證明此丙項原理之正確性。桁架刚構既与拱式及山墙式刚構同属於跨变刚構一類型,分析後者之任何方法均可用以分析前者,本文无須贅述。但取一兩跨之桁架刚構為例,列举所得之正確結果,与用近似法所得者相比较,藉以顯出近似法有相當巨大之差誤。關於階形之複式桁架刚構之分析,本文用“代替桁架”之辦法,但只說...

所謂“桁架剛構”即以桁架為横梁与柱相剛接之剛構。現下採用分析剛構之任一方法,以分析此項剛構时,均須採用種種特殊之假定而得近似之結果。據著者所知,中外書刊中似尚无此項剛構之正確分析法。於本文中,著者發表关於桁架剛構正確分析之兩項原理,即柱頂力矩作用与桁架跨变影響之兩项原理。前項原理使柱頂段之角夔与桁架端豎桿相同,以符合柱与桁架剛接处之連续性。後項原理指出桁架与曲梁(即拱)及梁(即山墙式梁)相同係一種“跨变横梁”,故桁架刚構亦与拱式及山墙式剛構相同,係一種“跨变剛構”。若根據此兩项原理,分别计算柱与桁架兩端的撓曲常数,再用分析跨变刚構之任一分析法以分析此項刚構,則所得之枯果,与不作任何特殊假定用最少功法或变位法所得者完全相同。本文先說明此兩项原理及根據此兩項原理计算柱与桁架撓曲常數之方法。次取一最簡單之桁架刚構为例,證明此丙項原理之正確性。桁架刚構既与拱式及山墙式刚構同属於跨变刚構一類型,分析後者之任何方法均可用以分析前者,本文无須贅述。但取一兩跨之桁架刚構為例,列举所得之正確結果,与用近似法所得者相比较,藉以顯出近似法有相當巨大之差誤。關於階形之複式桁架刚構之分析,本文用“代替桁架”之辦法,但只說明其原則,不列出公式及算例。

Black rot of yam bean has been collected from the market in certain localities of Yunnan Province.The diseased tuber-root is characterized by the black dis- coloration of the interior tissues without conspicuous external symptoms.The evidence at hand indicates that the infection takes place before the digging time, through the dead main tap roots.It is unlikely that it works in the storage. Hundreds of isolations were made from the diseased tuber-roots and one fungus,a species of Pythium,predominated.The morphologic...

Black rot of yam bean has been collected from the market in certain localities of Yunnan Province.The diseased tuber-root is characterized by the black dis- coloration of the interior tissues without conspicuous external symptoms.The evidence at hand indicates that the infection takes place before the digging time, through the dead main tap roots.It is unlikely that it works in the storage. Hundreds of isolations were made from the diseased tuber-roots and one fungus,a species of Pythium,predominated.The morphologic and cultural char- acters of this causal fungus closely resemble those of Pythium spinosum,described by Sawada in 1927. Inoculations of yam bean seeds were made by sowing them in soils mixed with pure cultures of the causal fungus.It did not cause preemergence of in- fection several weeks after inoculation.Elongate black lesions were found on the basal stems.The fungus caused neither damping-off nor wilt of young seed- lings. Healthy tuber-roots of yam bean were selected and cleaned.After inserting hyphae and spores beneath the epidermis,they were laid in a moist chamber. Black discoloration of the interior tissues developed in the course of about three weeks.The discolored area enlarged but very slowly.The results of these ino- culation experiments indicate that Pythium spinosum Saw.is very weakly parasitic to yam beans. Occasionally,as might be expected,certain other species of fungi were isolated from the diseased tuber-roots.Among them were found two other species of Pythium,identified respectively as P.irregulare Buisman and P.intermedium de Bary.However,inoculations of tuber-roots of yam bean with these fungi failed to produce the characteristic symptoms. Besides from yam beans,a species of Pythium was isolated from the roots of broad bean(Vicia fabae L.).Despite certain minor morphologic differences,it has been identified as P.spinosum Sawada.However,no cross inoculation ex- periments have been conducted.

(1)在云南昆明的市场上,发现有内部组织变黑、但外表没有显明症状的地瓜块根。这个病害,称为地瓜黑心病。(2)地瓜黑心病的病原菌是一种倒病菌,定名为 Pytlium spinosum Sawada.(3)这个倒病菌,侵害地瓜的致病力很弱。它不能使地瓜的种子在未出土前枯死,幼苗倒和蔫萎。它不能使幼株死亡,仅使块茎的内部组织变色。(4)病菌似乎在大田内经主权或茎端侵入块根,发展很慢,迄今还只在收获的块茎内发现这个病害。

 
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