可采用的

Two-stage sampling has only one chance of using the information provided by samples to determine the following plan. Pure sequential sampling, however, could use sampling size sparingly. In addition, in some cases, pure sequential procedures have to be applied to acquire the confidence intervals which meet the demands.

两步抽样，只有一次机会利用样本信息决定今后计划，采用纯序贯则可使平均抽样次数节省，另外，在一定的分布族中必须采用纯序贯才能取得满足要求的区间估计。

The decision circuit of the chip is applied with a DFF using SCFL structure and its tuned phase shifter with differential current amplifiers according to the principle of vector addition.

该芯片的判决电路采用SCFL的D触发器结构，根据矢量迭加原理设计，采用差动电流放大器构成可调移相器。

This system adopts unique patent "the integral orbit weighing system",(patent number: 03277805.8) whose steel frame can be placed levelly on the crushed stones way or railroad to weigh various large calculating equipments, and can weigh the size of top dynamic loading, passing microcomputer to figure out data, and data store, statistics, net-connecting and auto printing.

采用独特专利&一体化称量轨&，（专利号：03277805.8），利用剪切应变取代正压应变，衡区采用钢制框架线路，钢制框架平放在碎石道床上，安装在铁路线上，对铁路各种货车进行动态连挂称重的大型计量设备，它能准确地检测到称重轨上动态载荷的大小，通过微机，计算出各种等数据，并可完成数据自动储存显示、统计、联网、打印等多项功能。

HC32 series four column hydraulic machine is 3 beam 4 pole structure. The electricity adopts the PLC controller, the hydraulic system adopts the advanced artridge inserted valve or slide valve system to control the hydraulic machine by manipulatively collecting button.

HC32系列液压机为三梁四柱式结构，电器采用可编程控制器，液压系统采用先进的插装阀或滑阀系统控制，实行按钮集中操纵的液压机。

At least half of patients with X-ALD are adults with somewhat milder manifestations, and women who are carriers may become symptomatic. X-ALD is often misdiagnosed as attention-deficit/hyperactivity disorder in boys and as multiple sclerosis in men and women, and is not an uncommon cause of Addison disease;(2) the incidence of X-ALD, estimated to be 1:17 000 in all ethnic groups, approximates that of phenylketonuria;(3) noninvasive and presymptomatic diagnosis and prenatal diagnosis are available; family screening and genetic counseling are key to disease prevention; and (4) new therapies, applied early, show promise.

至少1半的X-ALD为成年病人，表现较轻，而作为携带者的女性也可发病。X-ALD在男孩常误诊为注意缺陷/多动综合征，男女可误诊为多发性硬化，并且也是Addison病的病因；(2)据估计X-ALD发病率为1：17 000，类似于苯丙酮尿症；(3)可进行无创性、症状前诊断和产前诊断；家系筛查和遗传咨询是疾病预防的关键；(4)早期采用新的治疗方法非常具有前景。

At least half of patients with X-ALD are adults with somewhat milder manifestations, and women who are carriers may become symptomatic. X-ALD is often misdiagnosed as attention-deficit/hyperactiity disorder in boys and as multiple sclerosis in men and women, and is not an uncommon cause of Addison disease;(2) the incidence of X-ALD, estimated to be 1:17 000 in all ethnic groups, approximates that of phenylketonuria;(3) noninasie and presymptomatic diagnosis and prenatal diagnosis are aailable; family screening and genetic counseling are key to disease preention; and (4) new therapies, applied early, show promise.

至少1半的X-ALD为成年病人，表现较轻，而作为携带者的女性也可发病。X-ALD在男孩常误诊为注意缺陷/多动综合征，男女可误诊为多发性硬化，并且也是Addison病的病因；(2)据估计X-ALD发病率为1：17 000，类似于苯丙酮尿症；(3)可进行无创性、症状前诊断和产前诊断；家系筛查和遗传咨询是疾病预防的关键；(4)早期采用新的治疗方法非常具有前景。

Through transposition and transmission of reachability ,it is used to eliminate unknown relations using of reachability and reachless relations from initial matrix and using of interactive method.

这种方法从初始可达阵开始，利用可达关系的传递性，经过一系列的变换，消除一部分未知关系，再利用不可达关系，进一步消除一部分未知关系，最后采用人机交互的办法消除剩余的未知关系，从而得到利用可达矩阵表示的系统结构模型。

A steel plate having a tensile strength of at least about 930 MPa (135Ksi), a toughness as measured by Charpy V-notch impact test at least about 120 joules (88 ft-lb), and a microstructure comprising at least about 90 volume percent of a mixture of fine-grained lower bainite and fine-grained lath martensite, wherein at least about 2/3 of said mixture consists of fine-grained lower bainite transformed from unrecrystallized austenite having an average grain size of less than about 10 microns and comprising iron and specified weight percentages of the additives: carbon, silicon, manganese, copper, nickel, niobium, titanium, aluminum, calcium,rare earth metals, and magnesium, is prepared by heating a steel slab to a suitable temperature; reducing the slab to form plate in one or more hot rolling passes (10) in a first temperature range in which austenite recrystallizes; further reducing said plate in one or more hot rolling passes (10) in a second temperature range in which austenite does not recrystallize, quenching (12) said plate to a suitable quench stop temperature (16); and stopping said quenching and allowing said plate to air cool (18) to ambient temperature.

一种钢板，其抗拉强度至少约930MPa135ksi），在－40℃（－40°F）下，采用夏氏V型缺口冲击试验测定的韧性至少约120焦耳（88英尺－磅），并且其显微组织包含至少约90％体积的细晶粒的下贝氏体和细晶粒的板条马氏体的混合物，其中该混合物的至少约2／3由从平均粒径小于约10微米的未再结晶奥氏体转变而来的细晶粒的下贝氏体组成，而且，其中所述的钢板包含铁和特定重量百分比的添加元素：碳、硅、锰、铜、镍、铌、钛、铝、钙、稀土金属和镁，所述钢的制备过程为：将一钢板坯加热至一个适当的温度；在奥氏体可发生再结晶的第一个温度范围内，采用一个或多个热轧道次（10），将所述板坯轧制成板材；在奥氏体不发生再结晶的第二个温度范围，采用一个或多个热轧道次（10）进一步轧制所述板材；将所述板材淬火处理（12）至一个适当的淬火终止温度（16）；停止所述淬火处理并将所述板材空冷（18）至室温。

①Rat MSC and VSMC were cultured and identified, respectively. MSC were labeled with DAPI firstly, and then co-cultivated with VSMC. The changes of morphology and ultrastructure of co-cultured cells were observed. Immunfluorescence analysis was performed by using monoclonal antibodies against specific antigen.②We established the regulatable system in two steps: a stable MSC line expressing rtTA has been constructed and characterized firstly by transfected with pUHD 17-1hyg and then selected by hygromycin B; in a second step, this line was used for trandfer the AT2R gene to MSC to get the well establishing double stable MSC lines;③The expression of AT2R regulated by doxycycline was evaluated by western blot;④The MSCs were transduced into rat carotid arteries with regulatable AT2R gene after the establishment of rat carotid balloon injury restenosis model. The intimal/medial area ratio were measured by digital analysis system.

研究方法：(1)密度梯度离心法及胶原酶消化法分别培养原代大鼠MSC及VSMC，细胞共培养并行免疫荧光化学染色和透射电镜观察超微结构；(2)组成受Dox调控的哺乳动物表达系统的四种成分的转化、扩增及提纯并酶切鉴定；(3)采用常规分子生物学方法连续两个回合转染体外培养的MSC，并分别采用发光计检测不同细胞克隆萤光素酶活性改变以及RT-PCR方法检测AT2R目的基因mRNA表达情况，根据各个细胞克隆受Dox调控表达的程度，选择低背景、高诱导表达AT2R的细胞系，作为双重稳定MSC细胞系；蛋白免疫印迹法观察该细胞系在Dox调控下AT2R表达的时相性、持续性及在不同浓度Dox调控下的表达情况；(4)建立大鼠颈动脉球囊损伤动物模型，将双重稳定MSC在术中导入血管，分别于14 d、28 d进行病理切片，检测可调控AT2R对新生内膜增生的影响；采用RT-PCR免疫组织化学免疫荧光等技术观察AT2R基因在新生内膜中的表达以及细胞外基质成分表达的改变，TUNEL法检测血管组织中细胞凋亡的变化情况。

The bearing capacity of the special steel tube column can be improved at least about 20% with rib stiffener.The effect of stiffening truss is unapparent though the stress distribution on tube wall is further reasonable.

对管壁采用内加劲肋方式处理后，截面承载能力提高20%左右，采用内桁架对管壁进行处理也可改善截面的应力分布，但在设计荷载作用下的效果并不显著。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐