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密度分离
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  density separation
     Equidensity Pseudocolor Encoding Through Density Separation
     密度分离假彩色编码的一种新方法
短句来源
     Experimental studies on density separation of hematopietic stem/progenitor cells from cord blood
     脐血造血干/祖细胞的密度分离实验研究
短句来源
     Monomaceral separations were conducted successfully for 19 coal seam samples with different coalification degrees in three series by the density separation technique.
     采用密度分离技术成功地对3个系列不同煤化程度的19个煤层煤样进行了单组分分离。
短句来源
     Objective To investigate the effect of density separation of hematopoietic stem/progenitor cells(HSCs) for cord blob banking with storage volume reduction.
     目的为建立脐血造血细胞库,减少脐血储存空间,探讨脐血造血干/祖细胞的密度分离效果。
短句来源
  density fractionation
     Modes of occurrence of Pb, Cr, Co, Ni, V in Tieling raw coal and two char samples were determinedusing density fractionation, demineralization and sequential chemical extraction methods. Volatilization behaviors of Pb, Cr, Co, Ni and V were investigated during pyrolysis of Tieling coal in a fluidized-bed reactor at temperatures ranging from 500? ℃ to 900?
     采用密度分离、脱灰处理和逐级化学提取等间接方法,考察了铁岭煤中Pb,Cr,Co,Ni,V五个重金属元素的宏观结合形态,并在Φ25mm小型石英流化床反应装置上考察了上述五个重金属元素在热解过程中的挥发行为。
短句来源
     Density fractionation reveals that organic matter content is closely relevant to clay mineral content and mineral surface area in the salified Lake, suggesting that clay mineral adsorption is the major mechanism in the preservation of organic matter in sediments of the Qinghai Lake.
     沉积物经密度分离后测试发现,有机碳含量与粘土矿物含量及矿物表面积之间具有很好的正相关性,说明粘土矿物吸附是青海湖底沉积物中有机质的主要赋存形式。
短句来源
  “密度分离”译为未确定词的双语例句
     l 5I-EPO was used to demonstrate expression of saturable, high affinity binding sites for EPO on density-fractionated( P <1.077g/ml) rat bone marrow cells.
     用~(125)I-EPO与骨髓密度分离细胞(ρ<1.077g/ml)进行放射性配体受体结合实验,测定各组大鼠骨髓细胞表面EPOR的数量和亲和力的变化。
短句来源
     Methods bone marrow aspirates were taken from the iliac crest of normal adult donors about 5~10ml, Nucleated cells were isolated with a density gradient centrifugation, MSCs from nucleated cells were expanded.
     方法 采集5名健康成人骨髓标本5~10ml,梯度密度分离骨髓有核细胞,经培养分离BMSCs并进行传代扩增。
短句来源
     The valuable components have been separated and recycled by gravity separation flowsheet, electric separation and magnetic separation density-based separation combined flowsheet and density-based separation flowsheet.
     PCB中金属与非金属的物理分离采用了两套分离流程,重力场分离流程和电力场分离、磁力场分离的联合流程; PCB中非金属之间的分离采用了密度分离流程。
短句来源
     By purification of viruses and separation of sucrose density gradient weobtain an extracted virus from the sample of Crotalaria sessiliflora mosaicwhich is collected in the Agronomic Institute of the Japan Northeast Unive-rsity.
     在日本东北大学农学研究所(仙台市),采集兰花野百合(Crotalaria sessi-liflora L.) 花叶病标样,经病毒提纯和蔗糖梯度密度分离,获得一种病毒分离物,该分离物的比重与CMV相近。
短句来源
     hMSCs was separated and purified from the human bone marrow blood with Percoll density gradient centrifugation and adherence. The pluripotency, ultrastructure and cytochemical changes of hMSCs were observed with flow cytometry, cytochemical detect and transmission electron microscope.
     采用Percoll密度分离与贴壁筛选结合法,从人骨髓血中分离纯化人骨髓间充质干细胞,通过流式细胞分析、细胞化学检测和透射电镜观察对其多能性和超微结构及细胞化学变化。
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  density separation
By mincing, enzymatic digestion and gradient density separation, sufficient TILs (>amp;gt;5 × 106) were obtained from 13 of 15 (88.
      
Study of the colony forming unitgranulocyte-macrophage (CFU-GM) in human bone marrow is usually first accomplished by density separation of whole bone marrow "buffy coats" through Ficoll-Paque into low- and high-density fractions.
      
Murine CFU-GM are cultured and characterized in a similar manner except tissues are separated into a single cell suspension without a density separation, and the culture time is reduced to 5 to 7 d.
      
To investigate the possibility that the rate of HbA1c synthesis varies with erythrocyte age, glycosylated haemoglobins were measured in erythrocyte fractions after density separation on Percoll-Albumin gradients.
      
We therefore conclude that density separation of erythrocytes is an inadequate technique to study age related HbA1c synthesis.
      
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  density fractionation
They can be isolated from bulk soil samples by physical disaggregation followed by particle size and/or density fractionation.
      
Soils were sampled throughout the incubation period to characterise the mobility of Se (batch and soil column experiments) and also its fractionation within the soil compartments (selective extractions and size-density fractionation).
      
On a whole soil basis, the HF contributed on average 97% of the CEC of the whole soil, although this conclusion must be tempered given the inflation of CEC values by the density fractionation procedure.
      
Density fractionation of the plasma into separate lipoprotein classes facilitated identification of high density lipoprotein as the major apoprotein donor to the Intralipid.
      
Density fractionation of the Sf>amp;lt;400 particles of Intralipid and recombination of these fractions with the Sf>amp;gt;400 fraction before incubation revealed the major inhibitory fraction to be δ>amp;lt;1.006 (Sf 20-400).
      
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This paper reports the adaptation of the newly developed structuredness of cytoplasmic matrix (SCM) technique of Cercek (1974) to the detection of mouse spleen MLR.Experimental results indicated that SCM reaction was only detected in MLK of cells from histoincompatible individuals (mice from different strains) but not in those from histocompatible individuals (inbred strains). For the former, a SCM Eesponse Ratio (RRSCM = PMLR/PC×100%) of 75± 5% (GV<20%) was found. These results were compatible with that obtained...

This paper reports the adaptation of the newly developed structuredness of cytoplasmic matrix (SCM) technique of Cercek (1974) to the detection of mouse spleen MLR.Experimental results indicated that SCM reaction was only detected in MLK of cells from histoincompatible individuals (mice from different strains) but not in those from histocompatible individuals (inbred strains). For the former, a SCM Eesponse Ratio (RRSCM = PMLR/PC×100%) of 75± 5% (GV<20%) was found. These results were compatible with that obtained by the conventional method of MLC determination.In order to achieve successful adaptation of the technique and induction of SCM reaction, the following details were found important: Density of spleen lymphocytes, experimental conditions in the fractionation of cells, preparation of reagent etc. The population of lymphocytes which were SCM responsive and other relevant factors are discussed.Compared with the conventional method of MLC, the method reported here has the virtue of rapidity 4-5h, which render it more advantageous for application to cell typing in clinical transplantation.

本文利用近年来新发展的胞浆基质结构性(SCM)方法检测了小鼠脾混合淋巴细胞反应。 实验结果指出,组织相容(近交系动物)个体之间 MLR不表现 SCM反应;组织不相容(不同品系之间)个体则表现 SCM 反应。从 CFW,C_(57)BL,C_(57)BL_6,ICR,615,BALB/c,F_1ICR/615小鼠得到的结果表明,当组织不相容时,RR_(SCM)((P_(MLR)/P_C)×100%)=75±5%,CV<20%,与传统的同位素掺入检测MLR方法结果相符。 实验提示,脾淋巴细胞密度、分离条件及试剂的准备对成功地导出SCM反应有很大关系。本文对SCM反应细胞群等也作了探讨。 该方法与传统的 MLR(5~7天)方法相比,具有快速(全过程 4~5 小时)这一明显优点。本文亦讨论了在临床移植配型工作中应用该方法的可能性。

A new optical method for equidensity pseudocolor encoding of photographic image by white-light processing is presented. A phase grating whose phase delay is proportional to the density of the image being processed is made for optical filtering. It is shown that the output intensity from each diffraction order is a series of nonlinear functions varying with the original image density and has peak value in a particular density range determined by the diffraction order. Through the selection of zeroth and first...

A new optical method for equidensity pseudocolor encoding of photographic image by white-light processing is presented. A phase grating whose phase delay is proportional to the density of the image being processed is made for optical filtering. It is shown that the output intensity from each diffraction order is a series of nonlinear functions varying with the original image density and has peak value in a particular density range determined by the diffraction order. Through the selection of zeroth and first and second orders with three primary color filters, equidensity pseudocoloration is obtained as a result of the addition of three images with different density responses. Experimental demonstrations of density-separated pictures and pseudocolor-coded image are given as well.

本文提出一种利用正弦型位相光栅的衍射特性实现图象密度分离,再假彩色合成获得密度假彩色编码的新方法,并给出了实验结果.

By purification of viruses and separation of sucrose density gradient weobtain an extracted virus from the sample of Crotalaria sessiliflora mosaicwhich is collected in the Agronomic Institute of the Japan Northeast Unive-rsity.The virus we found is similiar to CMV in gravity.And,by identify-ing through electronic microscopy and ultrathin sections of virus tissue,it isalso similiar to CMV in shape,size of pellelt and crystal of cytoplasm andsap of vesicle.Therefore,we have an initial idea that the virus is in...

By purification of viruses and separation of sucrose density gradient weobtain an extracted virus from the sample of Crotalaria sessiliflora mosaicwhich is collected in the Agronomic Institute of the Japan Northeast Unive-rsity.The virus we found is similiar to CMV in gravity.And,by identify-ing through electronic microscopy and ultrathin sections of virus tissue,it isalso similiar to CMV in shape,size of pellelt and crystal of cytoplasm andsap of vesicle.Therefore,we have an initial idea that the virus is in thesame group of CMV.that the divi-Further more,in the experiment of agarimmune response,we have observed ding line of settlement of the virus mixestogether with that of PSV completely We have still a preliminary determina-tion that the host reaction is in accord with that of PSV.Hence,we believethat the virus pathogen of Crotald- ria sessilifor mosaic is in the same groupof PSV,

在日本东北大学农学研究所(仙台市),采集兰花野百合(Crotalaria sessi-liflora L.)花叶病标样,经病毒提纯和蔗糖梯度密度分离,获得一种病毒分离物,该分离物的比重与CMV相近。经电镜鉴定和病组织超薄切片观察,该病毒的颗粒形态、大小及在细胞质和液胞中的病毒结晶体也与CMV相似,初步认为属CMV病毒组成员。但经琼脂免疫双扩散抗血清试验,该病毒的沉降线与PSV(落花生矮化病毒)的沉降线完全融合。还初步测定了寄主反应,也基本与PSV的寄主反应一致。因此,认定Crotalaria sessiliflara L.花叶病的毒病原是CMV病毒组的Peanut Stunt Virus(PSV)病毒(落花生矮化病毒)。

 
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