Concentration in parts per million (ppm) | Example with lead in soil
2:51
Concentration in parts per million (ppm) | Example with lead in soil
已浏览 6917 次8 个月之前
YouTubeQuimimática
PPM Calculation for Beginners | Pharmacy & Analytical Chemistry #pharma #science #spectratixpharma
2:00
PPM Calculation for Beginners | Pharmacy & Analytical Chemistry #pharma #science #spectratixpharma
已浏览 1250 次11 个月之前
YouTubespectratixpharma
What is PPM? How to Calculate PPM in Quality Control | #aytindia #quality #excel #qualitycontrol
1:11
What is PPM? How to Calculate PPM in Quality Control | #aytindia #quality #excel #qualitycontrol
已浏览 1.8万 次2025年5月10日
YouTubeAYT India Academy
68k ohms 6 band 1 percent tolerance resistor 15 ppm #diy #resistorcolorcode #repair #shorts
0:13
68k ohms 6 band 1 percent tolerance resistor 15 ppm #diy #resistorcolorcode #repair #shorts
已浏览 2438 次2 周前
YouTubeElectrical Engineering XYZ
Answering yesterday’s question and asking gas engineers about analysing cookers.
1:15
Answering yesterday’s question and asking gas engineers about analysing cookers.
已浏览 2417 次2 周前
YouTubeTomkat Gas Training
What is Oracle PPM? | Fast & Easy Breakdown #shorts
1:12
What is Oracle PPM? | Fast & Easy Breakdown #shorts
已浏览 655 次9 个月之前
YouTubeGoLogica
Oracle PPM for Beginners | Basics in 2025 #shorts
1:14
Oracle PPM for Beginners | Basics in 2025 #shorts
已浏览 603 次9 个月之前
YouTubeGoLogica
0:13
64k ohms 6 band 1 percent tolerance resistor 15 ppm #diy #resistorcolorcode #repair
已浏览 4856 次1 个月前
YouTubeElectrical Engineering XYZ
0:57
Oracle PPM Modules Explained | Deep Dive Part 1 #shorts
已浏览 218 次9 个月之前
YouTubeGoLogica
3:00
👉 “pH & PPM Mistakes Are KILLING Your Plants 😳 (Fix This FAST)
已浏览 2981 次3 个月之前
YouTubeJoe's Grows
1:25
The Hell in a Cell the World Forgot! Reliving the "Forgotten Match from Hell" 02
已浏览 1182 次2 周前
YouTubePPM Channel
1:20
ดรีมแมตช์ของ WWE ที่ยังสามารถเป็นไปได้ ในยุคของ Triple H 02
已浏览 1462 次1 周前
YouTubePPM Channel
2:46
PPM Bersatu Untuk Kemajuan Indonesia
已浏览 38.9万 次5 个月之前
TikTokofficial.mabes.ppm
1:36
Como Colocar a Placa Palatina de Memória
已浏览 12.8万 次3 个月之前
TikTokdeboramorenoo
1:30
Washington's Reflecting Pool turns green again after costly renovation #shorts
已浏览 7.1万 次1 周前
YouTubeCBS Evening News
0:15
ที่ดัดขนตา รีวิว: ซื้อที่ไหนและวิธีใช้ง่ายๆ
已浏览 3491 次2 周前
TikTokp._.ppm
1:46
Overnight Skin Barrier Routine with Soft-Bristle Brush
已浏览 6.6万 次4 周前
TikTokemmrzk
1:51
Understanding PPM: Definition, Meaning, and Significance
已浏览 11.6万 次2022年9月12日
TikTokremovecarbon
0:31
Falqon Squad Jogja PPM Ky Jogja FVP Firal video
已浏览 2382 次2 周前
TikTokklobotcoy
1:19
Ziarah Pahlawan di Jakarta dengan PPM
已浏览 2.5万 次5 个月之前
TikTokofficial.mabes.ppm
展开
静态缩略图占位符