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功能单位
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  functional unit
     For effective expression of nucleoprotein,we put N gene under control of CMV EI promoter and SV40 poly(A) tail and changed it's translation regulation region including inserting ACG,basic functional unit of Kozak sequence of mammal before the first codon of N gene and adding one more stopping codon at 3' end of stopping codon of N gene.
     为使核蛋白得到高效表达,在构建时,将N基因控制在CMV早期启动子和SV40poly(A)加尾信号下,并对其翻译调控区进行了改造,在其第一个密码子前加入了哺乳动物典型的Kozak序列基本功能单位ACG,在N基因终止密码子的3’端另加了一个终止密码子。
短句来源
     Location of The Carbohydrate and Identification of The Glycosylation Sites in Functional Unit e of βc-haemocyanin of The Gastropod Helix Pomatia
     腹足纲Helix pomatia βc-血清蛋白的功能单位e中碳水化合物的定位和糖基化位置的鉴定(英文)
短句来源
     The ovarian follicle is the basic structural and functional unit of mammalian ovary and it provides the microenvironment for the growth and maturation of oocyte.
     卵泡是哺乳动物卵巢上的基本结构和功能单位,是卵母细胞生长和成熟的微环境。 在卵泡发生过程中,卵巢上尽管有大量的原始卵泡存在,但真正能发育到排卵前的卵泡很少,造成遗传资源的巨大浪费。
短句来源
     Blood-Brain Barrier (BBB) is an important functional unit that maintains the environmental stable state in the brain. It can not only prevent harmful materials in the blood from entering cerebral tissue but also eliminate toxic metabolites gener- ated in the brain.
     血脑屏障(Blood-brain Barrier,简称BBB)是维护脑内环境稳态的重要功能单位,它不仅可以阻止血液中的有害物质进入脑组织,而且能够清除脑内的有毒代谢产物。
短句来源
     Neuronal cell is the structural and functional unit of the nerve tissues.
     神经元是神经组织的结构和功能单位
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  function unit
     The natural difference between application letter language and literature artistic language is mainly embodied in three aspects as the notional function unit, reference meaning cover and language value.
     应用文语言与文学艺术语言的本质差异主要体现在表意功能单位、指涉意义层面、语言价值三方面。
短句来源
     The Characteristics and Significance of Advertising Function Unit
     广告“功能单位”的特点与意义
短句来源
     In advertising, there exists such function unit as: context, stereotype, line, pose, subjective movement, music composition, tension structure, motif, and behavioral tendency caused by motif.
     广告中存在情境、原型、色彩、线条、姿体形态、主体动作、乐句、张力结构、意象、意势等等功能单位,这些功能单位都具有可生成性、组合性、可分解性、层次性、意义传递的焦点性与整合性等特点。
短句来源
     Genes, simply speaking, are hereditary basic function unit.
     所谓基因,简单地说,就是遗传的基本功能单位
短句来源
     Tri parental mating experiments were conducted with recipient strains R 49 and R 309 (Hup - mutants), positive clones as donors and helper plasmid pRK2031, the hydrogenase activity and nitrogenase activity of those transconjugants were not restored. It indicated that the cloned gene from A. caulinodans genomic DNA was homologous although with B. japonicum hup structural gene, they were not a complete function unit for expressing up take hydrogenase activity in A.
     经三亲本杂交,将阳性克隆转入A.caulinodansHup-突变株中,所得转移接合子的吸氢酶和固氮酶活性均未恢复,表明所克隆到的基因虽与B.japonicum的hup结构基因同源,却不是一个能完整表达吸氢酶活性的功能单位
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  functional units
     Identification of A Cysteine-Histidine Thioether Bridge Bond in Functional Units d,e and f of β_C-haemocyanin of The Gastropod Helix Pomatia
     腹足纲Helix pomatia β_C-血清蛋白的功能单位d,e和f中一个半胱氨酸—组氨酸之间硫醚桥键的鉴定(英文)
短句来源
     The limited trypsinolysis on tenth molecules of βC-haemocyanin of Helix pomatia at pH=8.2 yielded the fragments a-c,ef,and the functional units d,g,and h(present as dimers h2).
     以该βC—血清蛋白为载体,通过限制性胰蛋白酶水解,产生片段a-c,ef,以及功能单位d,g,和h。
短句来源
     Disciplines are the basic functional units of university education.
     学科是高校教育的基本功能单位
短句来源
     A thioether bridge between a cysteine and a histidine residue in functional units d,e and f of βC-haemocyanin of the gastropod Helix pomatia was investigated.
     对腹足纲软体动物罗曼蜗牛Helix pomatia的氧运输蛋白(βC-血清蛋白)的功能单位d,e和f中的一个半胱氨酸—组氨酸之间的硫醚桥键进行了研究。
短句来源
     The experiment was carried out with 8 fresh cadaver lumbar spine speciments being used as functional units. By a three dimentional movement device, with the maximum loading of 100 N.
     用8具新鲜成人男性尸体标本腰椎功能单位,通过脊柱三维运动实验机施加最大载荷为10.0N.m的6种力偶,使脊柱前生前屈/后伸,左/右侧弯和左/右轴向旋转运动。
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  “功能单位”译为未确定词的双语例句
     Endogenous opioid system is the unit of structure and function, which is composed of opioid receptor, endogenous opioid and neuron that composing, storing and releasing endogenous opioid in the body.
     内源性阿片肽系统是指机体内由阿片受体、内源性阿片肽以及合成、储存和释放内源性阿片肽的神经元共同组成的结构和功能单位
短句来源
     [Method]C_(3、4) and C_(5、6) as a funtional spinal unit(FSU) were taken from 16 fresh adult cadavers and randomly divided into experimental group,its LJ was cut out and in control group,LJ was maintained.
     [方法]从16具新鲜尸体取C3、4、C5、6共32个脊柱功能单位(FSU)标本,分成切除与不切除Luschka关节2组。
短句来源
     Use the vertebral column FSU T4/5,T7/8 and T11/12 function spinal unit(FSU) of 5 adult cadavers was used and facetectomy was performed on right articular process of the above FSU resulting in 0,1/2,total facetectomy of unilateral facets. The stability of each model was determined using three dimension movement test machine of vertebral column.
     选用5具新鲜成人尸体脊柱T4/5,T7/8及T11/12脊柱功能单位(FSU),分别切除T4/5,T7/8,T11/12节段的右侧关节突,分别造成3种实验模型(正常脊柱结构、右侧关节突切除外侧1/2,全切除),运用脊柱三维运动实验机测试各模型的稳定性.
短句来源
     Gα ,G β and G β γ dimmer independently behave as effectors in cell signal transduction.
     目前,研究这两个功能单位下游的新的效应因子及Gβ和Gγ亚基在Gβγ亚基二聚体胞内信号传导中的作用是研究的热点问题。
短句来源
     Methods The vertebral column L4/5 function spinal unit(FSU) of 5 adult cadavers was used and graded facetectomy was performed on left articular process of L4/5 resulting in 0,1/4,1/2,3/4,4/4 facetectomy of lateral small vertebral joints. The stability of each model was determined using three-dimension movement test machine of vertebral column.
     方法选用5具新鲜成人尸体脊柱L4/5功能单位(FSU),通过分级切除L4/5节段的左侧小关节,共造成5种实验验模型(正常脊柱结构、小关节切除外侧1/4、小关节切除外侧1/2、小关节切除外侧3/4、左侧小关节全切除),运用脊柱三维运动实验机测试各模型的稳定性。
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  functional unit
It includes module, functional unit allocation, storage allocation and interconnection allocation.
      
Family psychiatry has evolved as a new system for the organization of psychiatric practice; it takes the family group rather than the individual as the functional unit.
      
These findings suggest that the production of whistle songs might be constrained and/or that whistle songs and their succeeding pauses may act as a functional unit in communication.
      
According to the method, new kinds of sections are highlighted in the text, these are the functional unit, paragraph and motif.
      
vii 8-viii 14 is a structural and functional unit of discourse.
      
更多          
  function unit
Coarse woody debris is an important structure and function unit in forest ecosystem.
      
Further evidence for a new function unit of photosynthesis
      
Convergence of the finite element solutionuh of the Dirichlet problem Δu=δ is proved, where δ is the Dirac δ-function (unit impulse).
      
Test compounds inputted into a perfusion line as a rectangular function (unit pulse) were perfused with or without albumin and their outflow patterns were analyzed by statistical moment analysis.
      
After calculation in the SWP function unit in parallel, the results are collected again in a full-length word.
      
更多          
  functional units
The available data suggest that epidermis is organized as a system of discrete structural-functional units (SFUs) that reproduce both in vivo and in vitro.
      
We believe that the aggregation of cultured keratinocytes reflects the formation of structural-functional units (SFUs) in vivo.
      
A block diagram and basic functional units of an image detector with space-time resolution are considered, in which the instantaneous multielement detector acts as a primary image converter.
      
A review of functional units of the endocannabinoid system (ECS) consisting of cannabinoid receptors (CBs), their endogenous ligands (endocannabinoids, ECs), and the systems of biosynthesis, transport, and inactivation of ECs is presented.
      
Information about the protective role of the ECS in ischemic and cytotoxic injuries of brain neurons and contribution of its functional units in the correction of neurodegenerative processes in vivo and in vitro is cited.
      
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The cells of the posterior silk gland (PSG) in the silkworm, Bombyx mori, are the major sites of fibroin synthesis. During the past few years, we have made investigations on the processes of fibroin biosynthesis and its regulation under the action of exogenous juvenile hormones (JHA). In the silkworm race used the two posterior silk glands contain about 1080 cells. During the fifth instar each cell may synthesize 240.6 μg of fibroin within 8 days, i.e. in every second, 6 × 108 molecules of fibroin are synthesized...

The cells of the posterior silk gland (PSG) in the silkworm, Bombyx mori, are the major sites of fibroin synthesis. During the past few years, we have made investigations on the processes of fibroin biosynthesis and its regulation under the action of exogenous juvenile hormones (JHA). In the silkworm race used the two posterior silk glands contain about 1080 cells. During the fifth instar each cell may synthesize 240.6 μg of fibroin within 8 days, i.e. in every second, 6 × 108 molecules of fibroin are synthesized in a cell. The amount of fibroin synthesized in each cell treated with JHA is 243.6 μg. Practionation of chromatin in the nuclei of these cells has been done (Plate I: Fig. D.). It is found that 0.6-0.8 μg DNA has been synthesized in each cell. rENA (Plate I: Fig. E) and mRNA have also been fractionated. The latter makes 1% of the total UNA content in the cell and 2.5% of the nuclear ENA. The formations of the endoplasmic recticulum and fibroin globules in the PSG cells have been observed with electromicroscope (Plate I: Fig. A-C). The changes in the amount of polyribosomes are measured biochemically. With the treatment of the exogeneous JHA, the activity of the chromatin fibres within the cell nucleus is probably accelerated, and then the contents of protein (Fig. 2) and ENA (Fig. 3) are raised, the amount of polyribosomes in the cytoplasm is also increased, and the entity of the structure and function of the endoplasmic recticulum is retained to the 10th day so as to prolong fibroin synthesis and to provide structural basis for producing more fibroin.According to the results of our experiments, we suggest that JHA plays a role on the regulation of the processes of transcription and translation of the fibroin genes (Fig. 6).

本实验查明家委品种的后丝腺细胞数目为1080个,在透射电镜观察下,后丝腺细胞内质网呈片层状,分布着大量的核蛋白体颗粒,细胞核内染色质成块状。用液面铺展技术显示出染色质的特别结构。每个后丝腺细胞能合成DNA0.6—0.8微克,为原来体细胞数的一百万倍,奠定了后丝腺细胞染色体的多线化的物质基础。第7天后丝腺的RNA为5.4毫克,mRNA为总RNA的1%,占细胞核RNA的2.5%,rRNA的碱基比(G+C)为53.1%,热增色效应为22.5%,融点温度(Tm)值为43.7℃。染色质丝DNA的融点温度为70.5℃,碱基比(G+C)为40.5%,并分析了染色质的DNA、RNA、组蛋白和非组蛋白的相对比值。每个后丝腺细胞合成240.6微克丝心蛋白,每个细胞每秒钟可合成6×10~8个丝心蛋白分子。中丝腺储存的丝心蛋白为后丝腺的二十倍。 经保幼激素类似物处理后,蚕的生长期延长,体重和丝腺重量、后丝腺内蛋白质和RNA含量增高,合成丝心蛋白的功能单位——多核蛋白体在量的方面也有所提高。例如在后丝腺RNA方面,雄蚕第7天增加到6.20毫克,每个后丝腺细胞能合成丝心蛋白243.6微克。因此,我们认为,外源保幼激素能促进R...

本实验查明家委品种的后丝腺细胞数目为1080个,在透射电镜观察下,后丝腺细胞内质网呈片层状,分布着大量的核蛋白体颗粒,细胞核内染色质成块状。用液面铺展技术显示出染色质的特别结构。每个后丝腺细胞能合成DNA0.6—0.8微克,为原来体细胞数的一百万倍,奠定了后丝腺细胞染色体的多线化的物质基础。第7天后丝腺的RNA为5.4毫克,mRNA为总RNA的1%,占细胞核RNA的2.5%,rRNA的碱基比(G+C)为53.1%,热增色效应为22.5%,融点温度(Tm)值为43.7℃。染色质丝DNA的融点温度为70.5℃,碱基比(G+C)为40.5%,并分析了染色质的DNA、RNA、组蛋白和非组蛋白的相对比值。每个后丝腺细胞合成240.6微克丝心蛋白,每个细胞每秒钟可合成6×10~8个丝心蛋白分子。中丝腺储存的丝心蛋白为后丝腺的二十倍。 经保幼激素类似物处理后,蚕的生长期延长,体重和丝腺重量、后丝腺内蛋白质和RNA含量增高,合成丝心蛋白的功能单位——多核蛋白体在量的方面也有所提高。例如在后丝腺RNA方面,雄蚕第7天增加到6.20毫克,每个后丝腺细胞能合成丝心蛋白243.6微克。因此,我们认为,外源保幼激素能促进RNA的合成,维持后丝腺细胞的正常活动,提高多核蛋白体的合成量,从而增加丝心蛋白的合成。

A total of 498 urine specimens were collected from 72 normal pregnant women at 20th to 42nd weeks gestation; estriol and creatinine values were measured to determine the relationship between the two. The results revealed: 1. The normal range of urinary creatinine values was between 0.6-1.4 g/24 hr. If the 24-hr urine creatinine value was less than 0.6 g/24 hr, the urine samples might have been incompletely collected. 2. The curves of the normal mean values of urinary E_3 and E_3/C ratio from 20th to 42nd weeks...

A total of 498 urine specimens were collected from 72 normal pregnant women at 20th to 42nd weeks gestation; estriol and creatinine values were measured to determine the relationship between the two. The results revealed: 1. The normal range of urinary creatinine values was between 0.6-1.4 g/24 hr. If the 24-hr urine creatinine value was less than 0.6 g/24 hr, the urine samples might have been incompletely collected. 2. The curves of the normal mean values of urinary E_3 and E_3/C ratio from 20th to 42nd weeks of gestation were established. The two were closely correlated (r=0.994), E_3/Cis a parameter irrespective of urine volume, therefore, the E_3/C ratio is a more reliable index of fetoplacental function than the estriol value alone.

24小时尿雌三醇值是了解胎儿胎盘功能单位的较好指标之一。但收集24小时尿不完整率高达50%,可导致雌三醇值偏低,干扰临床诊断。为此,我们测定72例正常孕妇20~42周各孕周24小时尿标本498份的雌三醇(E_3)及肌酐(C)值,以了解两者的关系。结果表明:1.各孕周尿肌酐均值相对稳定,其正常范围为0.60~1.40g/24h。凡是尿量收集完整的标本肌酐值都大于0.60g/24h。2.经测定肌酐值校对的尿标本基础上,建立了本院实验室正常妊娠20~42周各孕周E_3值及E_3/C比值的均数曲线。两者呈高度相关(r=0.994);对尿肌酐值偏离1愈多者,应用E_3/C比值后其变异度较E_3者可减少一半以上。可以认为E_3/C比值更能合理反映胎儿胎盘功能。

A cDNA of a human mKNA coding for thymidine kinase was isolated from a human fibroblast cDNA library. The size of cloned TK cDNA (TKhc9) was measured to be 1.37 kb. The restriction sites-map of TKhc9 was defined. This TK cDNA can not express TK activity after it has entered the mouse TK deficient cell line Ltk- cells through the DNA-mediated gene transfer because it misses about 160 base pairs coding sequence. However, this near full-length TK cDNA can transform the Ltk- cells to acquire TK phenotype if it cotransfects...

A cDNA of a human mKNA coding for thymidine kinase was isolated from a human fibroblast cDNA library. The size of cloned TK cDNA (TKhc9) was measured to be 1.37 kb. The restriction sites-map of TKhc9 was defined. This TK cDNA can not express TK activity after it has entered the mouse TK deficient cell line Ltk- cells through the DNA-mediated gene transfer because it misses about 160 base pairs coding sequence. However, this near full-length TK cDNA can transform the Ltk- cells to acquire TK phenotype if it cotransfects with a 4kb HindⅢ/KpnI DNA fragment isolated from human genomic thymidine kinase gene. By using the Southern blot analysis and isoenzyme assay, the human cDNA cloned was identified.

本文报道了从人体成纤维细胞mRNA制成的cDNA文库中分离出细胞质胸腺嘧啶核苷激酶(TK-C;EC2.7.1.21)的cDNA。测定了它的大小约为1.37kb,确定了它的酶切图谱。这是缺失了将近160个核苷酸对的非全长的人体TK-C cDNA。它单独不能表达TK活性。可是当它同另一个单独也不产生TK活性的、从人体TK-C基因中分离出来的长为4kb的DNA片段一起转化小鼠TK缺陷型细胞Ltk~-时,却能通过某种方式重组成一个有功能的单位,从而产生了TK,使Ltk~-细胞获得了TK表型。

 
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