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你可能喜欢若用氨催化还原法使NO转化为N2和水,每还原1molNO需多少mol氨
若用氨催化还原法使NO转化为N2和水,每还原1molNO需多少mol氨
4NH3+6NO=5N2+6H2O 可以看出每还原1molNO需2/3mol氨
与《若用氨催化还原法使NO转化为N2和水,每还原1molNO需多少mol氨》相关的作业问题
氮气；6NO2＋8NH3=7N2＋12H2O6NO＋4NH3=5N2＋6H2O NO＋NO2＋2NaOH＝2NaNO2＋H2O或N2O3＋2NaOH＝2NaNO2＋H2O
选择催化还原法 （SCR）用NH3作还原剂将NOx催化还原为N2；烟气中的氧气很少与NH3反应,放热量小,效率90%以上选择性非催化还原法 （SNCR） 在高温和没有催化剂的情况下,通过烟道气流中产生的氨自由基与NOx反应；烟气中的氧参与反应,放热量大,效率30%—50%
1题貌似有问题2.这种问题一般都要对最极端的情况讨论：第一次全摸一种颜色,第二次也全摸一种颜色,则第三次摸一只就能保证了所以最少10+10+1=21只袜子3.这个问题就是问你有多少种情况：摸的第一颗球可以有2种情况：红白摸的第二颗球也一样,第三颗也一样.所以一共有2×2×2=8种情况但其中有一半重复,所以8÷2=44×
使它是2的倍数：156、516使它有约数5：165、615使它能被3整除：156、165、516、561、615、651
反证法 详情如下假设重的物体下落地快 轻则慢（即亚是正确的）那么把一轻一重两物体连在一起.又此理论推出的结论：1.轻的那个会拉着重的 导致整体速度比原先轻的快,比重的慢2.整体质量更大 整体速度比重的快显然是矛盾的 所以此理论错误其实那时候很多物理学家都是用这种理论的方法处理问题~
74161是四位二进制可预置数的同步加法计数器,那它单片能实现最大计数为十六进制,并可通过外加门电路来构成十六进制以下任何进制计数器,因为是同步置数,当时钟信号一到来时会置数会复位,那么就在计数到8的时候通过门电路来产生进位信号,这个进位信号又作为置数信号,那么当时钟信号一来到计数到9,又刚好能将上一次的各种控制信号置
算3×3幻方的好方法.先把给出的数字斜着排成菱形,如： 1 9 4 2 4 2 7 5 3 然后,左右交换,上下交换 3 5 7 8 6 8 6 9 1 然后分别排列在方格里4 9 2 4 9 2 5 然后 3 7 组成： 3 5 7 6 1 8 1 8 6先把中间一行斜着排列在方格里,然后再把上两行排在上下两个空当里
所谓使动用法,是指谓语动词具有“使之怎么样”的意思,即此时谓语动词表示的动作不是主语发出的,而是由宾语发出的.实际上,它是以动宾的结构方式表达了兼语式的内容.使动用法中的谓语动词,有的是由名词、形容词活用来的.由于原来的词类不同,活用作使动之后,它们所表示的语法意义也不完全相同.
789 879 897 82种
5*(5-1/5)=24
就是冷冻结晶咯,没什么可具体的啊.随着温度的下降Nacl溶解度下降结晶,然后过滤掉结晶的盐分,重复几次效果更好
1.反应:----6NO..+..4NH3..=..5N2..+..6H2O----6个NO被还原,有6个N原子被还原.----4个NH3被氧化,有4个N原子被氧化----6个NO被还原,4个NH3被氧化,被还原的比被氧化的多2个N原子2.设参加反应的NO和NH3分别为Xmol和Ymol----6NO..+..4NH3
将一只电阻与LED串联后接入5V电源就可以了.电阻的取值,使电路电流为10mA时,电阻的分压为2.5V就行了即R=(5-2.5)/(10*10^-3)=400 欧 再问： 那用限流法是什么样的呢？
弄反了 再答： 内接法适合测大电阻再问： 知道了。可是和电阻有什么关系？那什么测电阻？ 再答： 电流表也有一个很小的电阻，电流表内接的话，电压表测的就是定值电阻和电流表两端的电压，如果定值电阻大的话，电流表的电阻就可以忽略了 再答： 内接法适用于测大电阻，外接法适用于测小电阻再问： 为什么可以忽略 再答： 因为定制电阻
计数范围：0 ~ 23 .LS161 是同步预置,异步清零,两种方法反馈数值差 1 ,清零法是计数到 24 去清零 .
含有的.晶体的话,不出意外就是氯化铵NH4Cl ,反应为NH4Cl + NaOH ====(△） NH3↑ + H2O + NaCl
磁学测温法 根据顺磁物质的磁化率与温度的关系(顺磁性)来测量温度.磁温度计主要用於低温范围,在超低温(小於1K)测量中,是一种重要的测温手段.磁温度计 是利用某些顺磁性物质（例如,硝酸铈镁、硫酸锰铵和硫酸铁铵）的磁化率在低温下遵从居里定律(x＝D/T)或居里-外斯定律〔x＝D/(CT- θ)〕,式中D 和θ 分别为居里
冒出气泡,如果正极,冒氧气,负极冒氢气.Antivirus scan for b0acdaeede11f7f59cc8260d88fdc at
14:50:55 UTC - VirusTotal
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The submitted file is a compressed bundle ciphered with password infected,
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Android.Adware.Yekrand.gDHRV
Android.Adware.Yekrand!c
Android.Adware.Yekrand.gDHRV
BitDefender
Android.Adware.Yekrand.gDHRV
CAT-QuickHeal
Android.Yekrand.Aa9ab (AdWare)
AndroidOS/GenPua.8A84414D!Olympus
Android.Adware.Yekrand.gDHRV (B)
Android.Adware.Yekrand
Android.Adware.Yekrand.gDHRV
Android.Adware.Yekrand.gDHRV
Trojan.Gen.8
Avira (no cloud)
CrowdStrike Falcon (ML)
ESET-NOD32
K7AntiVirus
Malwarebytes
McAfee-GW-Edition
NANO-Antivirus
SUPERAntiSpyware
TotalDefense
TrendMicro
TrendMicro-HouseCall
WhiteArmor
The file being studied is Android related!
APK Android file more specifically.
The application's main package name is
com.photomyne.
The internal version number of the application is
The displayed version string of the application is
The minimum Android API level for the application to run (MinSDKVersion) is
The target Android API level for the application to run (TargetSDKVersion) is
Required permissions
android.permission.READ_EXTERNAL_STORAGE (read from external storage)
com.photomyne.permission.C2D_MESSAGE (C2DM permission.)
com.google.android.c2dm.permission.RECEIVE (Unknown permission from android reference)
android.permission.WAKE_LOCK (prevent phone from sleeping)
android.permission.ACCESS_NETWORK_STATE (view network status)
android.permission.INTERNET (full Internet access)
android.hardware.camera.autofocus (Unknown permission from android reference)
android.permission.WRITE_EXTERNAL_STORAGE (modify/delete SD card contents)
Activities
com.photomyne.MainActivity
com.facebook.FacebookActivity
com.facebook.CustomTabActivity
com.facebook.CustomTabMainActivity
com.google.android.gms.common.api.GoogleApiActivity
com.appsee.AppseeBackgroundUploader
com.google.android.gms.measurement.AppMeasurementService
com.google.firebase.iid.FirebaseInstanceIdService
com.google.android.gms.measurement.AppMeasurementReceiver
com.google.firebase.iid.FirebaseInstanceIdReceiver
com.google.firebase.iid.FirebaseInstanceIdInternalReceiver
com.google.firebase.provider.FirebaseInitProvider
Service-related intent filters
com.google.firebase.iid.FirebaseInstanceIdService
actions: com.google.firebase.INSTANCE_ID_EVENT
Activity-related intent filters
com.photomyne.MainActivity
actions: android.intent.action.MAIN
categories: android.intent.category.LAUNCHER
Receiver-related intent filters
com.google.android.gms.measurement.AppMeasurementReceiver
actions: com.google.android.gms.measurement.UPLOAD
com.google.firebase.iid.FirebaseInstanceIdReceiver
actions: com.google.android.c2dm.intent.RECEIVE, com.google.android.c2dm.intent.REGISTRATION
categories: com.photomyne
Application certificate information
DN: CN:Photomyne, O:Photomyne
CN: Photomyne
O: Photomyne
validto: 07:38 AM 09/07/2041
serialnumber: 57d7ad0f
thumbprint: a3b0def3ac9c5efc2f07
validfrom: 07:38 AM 09/13/2016
DN: CN:Photomyne, O:Photomyne
CN: Photomyne
O: Photomyne
Interesting strings
http://acs.amazonaws.com/groups/global/AllUsers
http://acs.amazonaws.com/groups/global/AuthenticatedUsers
http://acs.amazonaws.com/groups/s3/LogDelivery
http://play.google.com/store/apps/details?id=com.facebook.orca
http://plus.google.com/
http://s3.amazonaws.com/doc//
http://schemas.android.com/apk/res/android
http://www.photomyne.com/privacy-policy/
http://www.photomyne.com/terms-of-use/
http://www.w3.org/2001/XMLSchema-instance
https://%s.api.appsee.com
https://.facebook.com
https://api.appsee.com
https://app-measurement.com/a
https://facebook.com
https://goo.gl/FZRIUV
https://graph-video.%s
https://graph.%s
https://medium.com/@Photomyne/how-to-scan-for-best-results-8e2abd25a040
https://twitter.com/photomyne
https://www.facebook.com/Photomyne
https://www.googleapis.com/auth/appstate
https://www.googleapis.com/auth/datastoremobile
https://www.googleapis.com/auth/drive.appdata
https://www.googleapis.com/auth/drive.file
https://www.googleapis.com/auth/fitness.activity.read
https://www.googleapis.com/auth/fitness.activity.write
https://www.googleapis.com/auth/fitness.body.read
https://www.googleapis.com/auth/fitness.body.write
https://www.googleapis.com/auth/fitness.location.read
https://www.googleapis.com/auth/fitness.location.write
https://www.googleapis.com/auth/fitness.nutrition.read
https://www.googleapis.com/auth/fitness.nutrition.write
https://www.googleapis.com/auth/games
https://www.googleapis.com/auth/plus.login
https://www.googleapis.com/auth/plus.me
https://www.googleapis.com/auth/plus.moments.write
The file being studied is a compressed stream!
Details about the compressed contents follow.
Interesting properties
The file under inspection contains at least one ELF file.
Contained files
This file is a compressed stream containing 803 files.
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Compression metadata
Contained files
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Contained files by type
SHA1 177bbecef98af07a6a89bfbcb26648
SHA256 b0acdaeede11f7f59cc8260d88fdc
786432:eu8PcU5DoKVnMJi2do+/fwDmoLi4hVYpq43jNkZ3ivJjeaOQn3sgt1CbbS2JvNFK:eRFkKu/dKtip7uQxCvvkrWEdT
File type Android
Magic literal
Zip archive data, at least v2.0 to extract
Android Package (73.9%)
Java Archive (20.4%)
ZIP compressed archive (5.6%)
VirusTotal metadata
First submission
10:24:31 UTC ( 12 meses atrás )
Last submission
10:24:31 UTC ( 12 meses atrás )
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