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- w913707752 2012-08-06 00:00:00
- 是f8軸的公差嗎?如果是的話是-20um至-53um
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- 請幫我查一下F8級活塞桿30直徑的公差是多少,謝謝!
2012-08-05 07:44:13
681
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- 請專家?guī)臀曳治鲆幌履虺R?guī)化驗單,謝謝!
- NO.048 UR011 Nor 抗壞血酸 - mmol/L 比重 1.030 亞硝酸鹽 - 酸堿度 5.0 umol/L 蛋白質(zhì) + - 0.15 g/L 葡萄糖 - mmol/L 酮體 - mmol/L 膽紅素 - ... NO.048 UR011 Nor 抗壞血酸 - mmol/L 比重 1.030 亞硝酸鹽 - 酸堿度 5.0 umol/L 蛋白質(zhì) + - 0.15 g/L 葡萄糖 - mmol/L 酮體 - mmol/L 膽紅素 - umol/L 隱血 - mg/L *尿膽原 + 16 umol/L 血細胞 - Leu/uL 據(jù)同事說,這有點尿毒癥的前兆,我很害怕,我才24歲?。。÷闊<医o予客觀的分析和評價,并提出相應(yīng)的ZL措施,小弟甚感不及??! 展開
2008-09-11 04:33:04
341
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- 尿隱血 有時有時無 請幫我分析一下 謝謝?。?!
- 我25歲,性別男,有一天我發(fā)高燒39度6,然后開始腰疼腿疼,做了尿常規(guī)隱血2+,然后去打了退燒針,第二天還燒38度5,再打了一針,燒退了以后腰疼腿疼的癥狀就很快緩解了。過了一天再去做尿常規(guī)還是隱血2+,醫(yī)生懷疑尿路有感染,打了兩個禮拜青霉素,期間做尿檢... 我25歲,性別男,有一天我發(fā)高燒39度6,然后開始腰疼腿疼,做了尿常規(guī)隱血2+,然后去打了退燒針,第二天還燒38度5,再打了一針,燒退了以后腰疼腿疼的癥狀就很快緩解了。過了一天再去做尿常規(guī)還是隱血2+,醫(yī)生懷疑尿路有感染,打了兩個禮拜青霉素,期間做尿檢隱血是有是無(多數(shù)正常),在此期間我到大醫(yī)院做過檢查,B超正常,抗O正常, 尿常規(guī)中 RBC是10.10, WBC是10,SRC是3.2, 尿結(jié)晶13.7 , 未溶解紅細胞定量8.2, 為溶解紅細胞百分比81.1, 大型紅細胞7.8, 小型紅細胞0.30,其他正常 做過血化驗 肝、腎功能正常 醫(yī)生開了些針對輕微腎炎和尿路感染的藥,讓一兩個月檢查一次尿常規(guī), 偶爾精神狀態(tài)不好,有時左腰有點困感,再沒有什么其他明顯不舒服的感覺了,之后幾天通過自己觀察尿液顏色還正常,有一次早上運動量有點大,小便時竟然明顯看得出是粉紅色的,但是休息之后又看不出來了。還有一個情況就是如果小便時尿液有問題我的尿道口就會有熱熱的感覺。現(xiàn)在我還不能確定究竟是哪里的問題,希望醫(yī)生您能幫我分析一下,謝謝您!! 展開
2008-12-13 07:33:48
486
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- ph05660493031 誰能幫我查一下物流信息
2018-12-07 02:34:46
369
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- 誰幫我翻譯一下,謝謝
- ···until TLC analysis indicated the absence of dipolarophile.
2008-10-25 07:34:06
441
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- 請幫我初步診斷一下好么?
- 我現(xiàn)在的癥狀主要有:1,有時胸悶。2,心前區(qū),后背,和頸部有疼痛感。后背的疼痛Z持久。我爸媽帶我去醫(yī)院檢查過,排除了心肌炎的可能,醫(yī)生認為我只是壓力較大,爸媽也是這么認為。... 我現(xiàn)在的癥狀主要有: 1,有時胸悶。 2,心前區(qū),后背,和頸部有疼痛感。后背的疼痛Z持久。 我爸媽帶我去醫(yī)院檢查過,排除了心肌炎的可能,醫(yī)生認為我只是壓力較大,爸媽也是這么認為。可我自己的身體不舒服,自己才Z清楚呀。。。 我看了一些書,我覺得很像是心肌梗塞,不過我才18歲,可能的這種病么? 肺部的x光片照了,完全正常。 我朋友說胸膜炎的癥狀也很相似,可能是胸膜炎么? 展開
2007-11-12 05:32:55
379
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- 請高手幫我翻譯一下這一段。。。
- Carbonnanomaterialsarenovelmanufacturedmaterials,havingwidespreadpotentialapplications.Adsorptionofhydrophobicorganiccompounds(HOCs)bycarbonnanomaterialsmayenhancetheirto... Carbon nanomaterials are novel manufactured materials, having widespread potential applications. Adsorption of hydrophobic organic compounds (HOCs) by carbon nanomaterials may enhance their toxicity and affect the fate, transformation, and transport of HOCs in the environment. In this research, adsorption of naphthalene, phenanthrene, and pyrene onto six carbon nanomaterials, including fullerenes, single-walled carbon nanotubes , and multiwalled carbon nanotubes was investigated, which is the first systematic study on polycyclic aromatic hydrocarbons (PAHs) sorption by various carbon nanomaterials. All adsorption isotherms were nonlinear and were fitted well by the Polanyi-Manes model (PMM). Through both isotherm modeling and constructing “characteristic curve”, Polanyi theory was useful to describe the adsorption process of PAHs by the carbon nanomaterials. The three fitted parameters (Q0, a, and b) of PMM depended on both PAH properties and the nature of carbon nanomaterials. For different PAHs, adsorption seems to relate with their molecular size, i.e., the larger the molecular size, the lower the adsorbed volume capacity (Q0), but higher a and b values. For different carbon nanomaterials, adsorption seems to relate with their surface area, micropore volume, and the volume ratios of mesopore to micropore. Quantitative relationships between these sorbent properties and the estimated parameters of PMM were obtained. These relationships may represent a first fundamental step toward establishing empirical equations for quantitative prediction of PAH adsorption by carbon nanomaterials and possibly other forms of carbonaceous (geo-) sorbents, and for evaluating their environmental impact. In addition, high adsorption capacity of PAHs by carbon nanotubes may add to their high environmental risks once released to the environment, and result in potential alteration of PAHs fate and bioavailability in the environment. 展開
2010-01-13 13:35:43
370
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- 幫我查一下這兩篇文章istp或cpci-ssh檢索了沒?謝謝
- 題目:Theoretical Framework and Constituent Dimensions of Dynamic Capabilities: Based on Knowledge Evolvement 作者:Xiaorong Wang 題目:A Study on Teaching Reform of Finance Course Based on Undergraduate Education of Non-financial Major 作者... 題目:Theoretical Framework and Constituent Dimensions of Dynamic Capabilities: Based on Knowledge Evolvement 作者:Xiaorong Wang 題目:A Study on Teaching Reform of Finance Course Based on Undergraduate Education of Non-financial Major 作者:Xiaorong Wang 謝謝??! 展開
2014-12-28 07:19:44
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- 能幫我翻譯一下嗎?謝謝
- 能不能幫我翻譯一下這幾句話?。? (1)HeterOgeneous Green Catalyst for Oxidation of Cyclohexene and Cyclooctene with Hydrogen Peroxide in the Presence of Host(Nanocavity of Y—zeolite)/Guest(N4一Cu(II) Schif Base Complex)Nanocomposite... 能不能幫我翻譯一下這幾句話??? (1)HeterOgeneous Green Catalyst for Oxidation of Cyclohexene and Cyclooctene with Hydrogen Peroxide in the Presence of Host(Nanocavity of Y—zeolite)/Guest(N4一Cu(II) Schif Base Complex)Nanocomposite Material (2)Department of Chemistry,F(xiàn)aculty of Science,Alzahra University Vanak,Tehran,P.O .1993891176,Iran (3)Department of Chemistry,K.N Toosi University of Technology, Tehran P O.Box 16315-1618.Iran (4)Incorporation of copper(II)in NaY(metal exchanged Y-zeolite 謝謝啦! 展開
2012-11-21 13:35:40
416
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- 什么是活塞桿的外徑公差
2017-12-26 09:30:49
360
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- 請幫我翻譯一下這多科技文,關(guān)于伽馬射線輻射半導(dǎo)體激光器的!謝謝
- The linear dimensions of the far-field beam patterns shrank in size by the end of radiation by 3%-20% for the IR lasers and 15%-20% for the visible. The ellipticity of the beams changed by -16% for the IR and +8% for the visible case. The i... The linear dimensions of the far-field beam patterns shrank in size by the end of radiation by 3%-20% for the IR lasers and 15%-20% for the visible. The ellipticity of the beams changed by -16% for the IR and +8% for the visible case. The intensity, as measured with an external camera, decreased during irradiation by a maximum of 2.7 dB for the visible laser and 2.5 dB for the infrared; however, the photodiode photocurrents changed by less than 1 dB. Both types of lasers recovered completely over several days. The near- and far-field patterns were examined both below and above threshold before and after radiatiodrecovery, with no evidence of defects or other gross changes.請不要用軟件直接翻譯??! 展開
2010-12-05 07:02:03
582
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- 霍尼韋爾CP50凈水機怎么樣??我想入手,請幫我分析一下,謝謝!
2014-08-26 14:35:51
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- 活塞桿鍍鉻前尺寸公差多少
2012-03-21 04:11:54
483
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- 帶表卡尺公差是多少
2012-09-10 16:27:35
685
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- 請幫我分析一下,那邊是電源正極
2015-11-14 03:07:15
298
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- 請講解一下E5CZ-R2MT溫度控制器,謝謝
2018-12-03 02:43:49
390
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- 請專家?guī)兔Ψg一下,謝謝!
- 粒度檢測方法與優(yōu)缺點比較 粉末粒度分布的測量方法經(jīng)過百余年的發(fā)展,據(jù)統(tǒng)計至少已經(jīng)發(fā)展了上百種,但隨著科技的發(fā)展,有些方法被逐步淘汰,有些方法得到了改進和發(fā)展(如激光散射法、動態(tài)光散射等), 并在生產(chǎn)、科研中得到了廣泛的應(yīng)用,現(xiàn)在普遍使用的測量... 粒度檢測方法與優(yōu)缺點比較 粉末粒度分布的測量方法經(jīng)過百余年的發(fā)展,據(jù)統(tǒng)計至少已經(jīng)發(fā)展了上百種,但隨著科技的發(fā)展,有些方法被逐步淘汰,有些方法得到了改進和發(fā)展(如激光散射法、動態(tài)光散射等), 并在生產(chǎn)、科研中得到了廣泛的應(yīng)用,現(xiàn)在普遍使用的測量方法有篩分法、顯微圖像法、光透沉降法、激光散射(衍射)法等幾種,下面簡單介紹幾種常用的粒度測量方法。 ▲ 篩分法 是一種具有很長歷史的粒度測定方法,篩分法粒度測量是利用一組篩孔大小不同的標準篩將粉末進行篩分,然后對每個篩上樣品分別進行稱重,進而得到以質(zhì)量為量綱的粒度分布數(shù)據(jù),并可由分布結(jié)果計算出如Dv50等其它參數(shù)。篩分滶要特點是測量成本低廉,操作簡單,但存在著如重復(fù)性差,測量時間較長,不能對5um以下的顆粒進行測量等缺點。 ▲顯微圖像分析法 利用光學(xué)或電子顯微鏡及計算機圖像識別技術(shù)對顆粒粒度及粒度分布,顆粒形貌進行測量,分析的方法。這種方法不僅能夠測量粒度分布而且能夠直接觀察到顆粒的形狀,是目前唯yi的一種可目視的直觀測試方法,這種特點也是其它粒度測量儀器所不具備。這種方法的優(yōu)點是直觀、簡便、費用低,缺點是由于取樣量很少,為使測量結(jié)果代表性,必須增加待測顆粒的個數(shù)(一般認為測量顆粒的個數(shù)應(yīng)在1000個以上),這就相應(yīng)嗇了測量時間,及測試人員的工作強度,但由于能夠?qū)︻w粒形貌(如長徑比等)進行測量,目前也有廣泛應(yīng)用。 ▲光透沉降法 沉降法粒度測試的理論基礎(chǔ)是斯托克司定律和比爾定律。前者給出顆粒沉降速度與粒徑的關(guān)系,后者闡明光透過率與粒徑重量的關(guān)系??珊唵蔚拿枋鰹椋涸诔两狄褐?,有若干相同比重的顆粒,如果同一時刻,從同一位置開始下降,則不同直徑的顆粒到達測量區(qū)的時間是不同的,根據(jù)顆粒到達測量區(qū)的時間,及光強的強弱,就可以計算出顆粒的粒徑,及相應(yīng)粒徑的顆粒在顆粒群中占有的比例。采用此種原理的測量儀器有比較長的使用歷史,但隨著科技的發(fā)展和測量手段的進步,此方法的缺點也日益突出,如測量時間長,重復(fù)性誤差大等。 ▲ 激光散射法 顆粒測量儀器是以富朗和菲衍射(Fraunhofer diffraction)和米氏散射(Mie scattering)為理論基礎(chǔ)。此理論可以簡單理解為沿直線傳播的平行激光束,在傳播過程中遇到顆粒的遮擋后,傳播方向發(fā)生了改變(即發(fā)生了衍射和散射現(xiàn)象),并且大顆粒使激光改變的角度小,小顆粒改變大。(實際上是由于顆粒的遮擋在無限遠處形成了一個愛里斑,愛里斑87%的能量集中在ZX亮環(huán),且顆粒直徑越大,ZX環(huán)越小,顆粒直徑越小ZX亮環(huán)越大)。如果能在不同角度上接收光能, 對于相應(yīng)的的角度,其光能是對應(yīng)直徑的顆粒集合發(fā)生衍射(散射)造成的,相應(yīng)其他角度上光能的強弱也就反應(yīng)了對應(yīng)直徑顆粒在整個顆粒集合中占有的比例。 ▲ 采用激光粒度測量儀器相對于光透沉降粒度測量儀器具有很多優(yōu)點: 1. 原理先進,并且由于測試過程中沒有需要預(yù)先設(shè)定的參數(shù)(如樣品比重、介質(zhì)黏度、環(huán)境溫度等),及在測量過程中隨時改變的條件, 因此測量結(jié)果準確、可靠。 2. 測量速度快,測試時間與樣品粒度分布無關(guān),典型測試過程一般小于一分鐘; 3. 每次測試,多次對樣品進行掃描,測試結(jié)果重復(fù)性好; 4. 進樣方式種類多,可適用于各種類樣品。 展開
2016-03-07 05:37:01
674
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- 三聚氰胺的荷蘭語 麻煩大家?guī)臀乙幌?萬分謝謝!
2018-07-23 07:12:45
377
1
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